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EM7000

1. 6 4 4 ACV P P AC 840 V P P 1 2 3 EERO BURA 8 4 V P P 9 3 8 4 33 84 330 840 V T l 3 4 5 e1 O Acv dl COM 9 Ok ACV PP POWERON 0 ZERO ADJ ACV PP 0 2
2. DC 9 V 3 V 30 V 12 V DC 15 V 30 V Q Q 6 3 0 0 ON POWER ON 0 ZERO ADJ 0 DCV DCA 0 0
3. 6 4 5 205 8604 4 7 15 TEL 042 554 0113 FAX 042 555 9046 5
4. 7 2 23 7 3 AF 1 2 3 BER 4 2 500 mA 6 3 A
5. SW SW DCV A 0 30 0 2 A POWER OFF 3 6 A 30 DC 6 A 6 3 A Oh DCA 6 6 4 AC 6 A 1 6 A
6. 2 lt gt lt gt gt lt gt 5X20 mm F500 mAH 250V 1500A F1176 95X20mm ER6 3AL 250V 1500A F1177 lt gt Gk gt 190 200 120 10 8 3 TEL 03 3253 4871 FAX 03 3251 7022 TEL 06 6631 7361 FAX 06 6644 3249 0120 51 3930 9 30 12 00 13 00 17 00 http www sanwa meter co jp 9 9 1 48 WA AC gt PP FET 23 2 75 RH 5 40 C 5 31 80 RH 31 40 80 RH 50 RH 10
7. 6 9 POWER OFF OFF 6F22 9 V AC V 750 1 2 1 1 7 1 1 2 7
8. DCV POWER ON 0 ZERO ADJ DCV A 0 DCV A V RI k 0 0 POWER OFF WA DCV A 0 DCV DCA
9. 6 7 Resistance Q Measurement 6 8 DC High Voltage HV Measurement ee 49 6 9 End of Measurement ppp 7 MAINTENANCE oo 7 1 Maintenance and Inspection 7 2 Calibration eee eee eee rere ree cere rere ere rere errr rere 7 3 How to Replace Built in Battery and Fuse pp 51 7 4 Cleaning and Storage oo 8 SPECIFICATIONS oo 8 1 General Specification oo 8 2 Optional Accessories PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP 8 3 Measurement Range and Accuracy 9 AFTER SALES SERVICE ET 9 1 Warranty and Provision oo 9 2 Repair oo 9 3 SANWA web Site PP 1 SAFETY PRECAUTIONS Before use read the following safety precautions This instruction manual explains how to use your FET multitester EM7000 safely Before use please read this manual thoroughly after reading it keep it together with the product for reference to it when necessary The instruction given under the heading WARNING N CAUTION must be followed to prevent accidental burn or electrical shock 1 1 Warning and Caution Instruction for Safe Use 1 2 3 WARNING To ensure that the meter is used safely be sure to observe the instruction when using the instrument Never use the meter on the electric circuits that exceed 6 kVA Pay special attention when measuring th
10. 0 6 OFF POWER ON ON ON OFF ON OFF 0 ZERO ADJ 6F22 9 V 0 DCV EDCA DCV A 0 DCV A
11. 9 9 1 8 8 1 3 1 yP 8 2 1 2 3
12. 40 Hz 1 MHz 3 V 20 P P Peak to Peak 0 2 0 200 MO 3 0 DC 6 A AC 6 A COM 0 Q 0 Q ADJ 0 ZERO ADJ ON POWERSW pe 77 TL 21a 4 EAE 7 EAER RG BADLY Ramee 0X100k X100k ACV 300 X10 6 ACV P P 330 X10 QX1OK X10k a Ava Xi IACV PP 33 X1 0X1k X1k ACV3 X0 1 DCV150 X10 10X100 X100
13. POWER OFF P P P P 2 2 9 3 750 0 120 10 750V 0 3
14. R6 R6P 6 8 HV 60 HV DC 30 kV AF 1 HV 60 2 DC 30 kV 3 4 1 2 HV PROBE DC300V 3 og z 77y FE e ok a 4 1 COM al 3 et Stel
15. 500 mA 0 5 A 6 3A 500 mA 250 V 45X20 mm F1176 6 3 A 250V 5X20 mm F1177 7 4 Ate 1 3 4 5
16. 500 mA 6 6 2 DCA DC 150 mA 1 0 06 0 15 m 1 5 m 15 m 150 mA 5 3 COM DCA POWERON 0 ZERO ADJ DCA A 0 DCV A A mA 7
17. ER MR a V 1 6F22 EN R6P 500 mA NN E100 V NT 500 mA 0 5 A gy PME F Z 15VX2 6F22 R6P R6P h q
18. The frequency characteristics are good but an indication error will increase for high frequencies See 9 3 Read the indication by multiplying 0 120 graduations by 10 in the 750 V range Never perform measurement exceeding 750 V to ensure safety After over voltage was applied the meter will swing out for a while even if the input is removed but this is not a problem and the pointer will return to the zero position in a few seconds Because the instrument is super sensitive the meter may move by just connecting test leads but it is not failure of the instrument t may malfunction when measuring voltage current in the inverter circuit E Differences of indicated values between general testers and this unit according to measuring waveforms 1 Measurement of sine wave AC Both general testers and this unit indicate root mean square values 2 Measurement of distorted wave AC General testers Indicate a value proportional to the mean value Accordingly the read value is lower than the actual root mean square value This unit Indicates a value proportional to the p p value regardless of waveforms Accordingly the indicated value on the rms scales ACV rms is higher or lower than the actual root mean square value depending on voltage waveforms 6 4 4 ACV ACV p p Maximum measurable voltage AC 840 Vp p 1 Objects of measurement Voltages p p va
19. 0 DCV A 0 3 6 4 3 ACV rms AC750V 1 2 3 rms 3 12 30 120 300 750 V 6 COM ACV rms POWER ON 0O ZERO ADJ ACV rms 0 2 ACV rms V DCV
20. 5 AC 2 500 mA 3 500 mA 4 6 3 A 2 2 1 PP A 2 2 2 5 12 MO 0 12 A FET CF HOE A NULL
21. 9 10 11 12 13 14 1 15 NOW AE 10 kHz AE 1 2
22. ad 8 COM E ic me G ACV H rms 3 V 1 dB POWERON 0 ZERO ADJ ACV rms 0 2 dB dB ACV rms dB POWEROFF o ACVirms doo 6 1S SS dB Z 600 Q TH 1 m
23. C CA HV 60 CL11 9 3 23 2 75 RHA MOM TE 5 eK ABE 0 3V 2 5 MO 1 2V 12MQ gxeno uny RE W 3V 11 MO DCV 12 30 120 300 1000 V 410 MO 1000MQ SKE Biot JU BK HO E20 MMA 0 15 0 6 1 5 6 a aie DCV 15 60 150 600 yzDo BAH MOS 3V rms Aaah ie Ti Daan 8 4 V PP lo Hr 1 MBit 6 2 5 MO 50 60 Hz O 3 12V 33V PP FABERGE OHA iMa 50 60 Hz see K0 o1 Mii DM BAAR OLS YL ACV ae ane it CHRED vM WRI eee om 84V PP PRUNE GORE 800kQ 50 60 Hz P P 40 Hz 10 kHz 5 D 3 120 300V rms ne 3
24. 2 0 12 z 0 3 m 3 m 30 m 300 mA 5 3 COM DCA POWERON 0 ZERO ADJ DCV A 0 DCV A A mA POWEROFF 500 mA 0 5A
25. A 1 3 AM ch cl DC Q AC 7 peak to peak oo ka R 0 6kVA 1 DCV 1000 ACV 750 DC AC 1000 V peak max 1400 V DCV ACV 1273 12 30 DC AC 240 V peak max 340 V 120 300 DC AC 750 V peak max 1100 V DCV DCA 03 Bah j 012 DC AC 50 V peak max 70 V 0 3m 3m DC AC 10 mA 2 DC AC 100 V 30 m 300 m DC AC 500 mA peakmax 140 V Q X1 X100k 3 DC AC 50 V peak max 75 V DCA ACA 6 COM Dc 6A Po feta 4 DC AC 20A 1
26. 0 MFCR Y GB 77y gt 2yayAL 0X X10k T ON RBBHU EEA Dias el fol 6 4
27. 1 1 AB 1 6kVA 2 AC 33 Vrms 46 7 Vpeak DC 70 V 3 4 8
28. ACV P P VPP POWER OFF xRBE ACV rms 2 QA BE PP ACVrms 6 5 dB 1 2 3 11 dB
29. DC 6 A AC 6 A COM 2 A AC 6 A POWER ON g 0 ZERO ADJ AC 6 A 0 SW SW AC 6 A 0 6 A POWER OFF 3
30. 6 6 4 ACA AC 6 A 1 2 Objects of measurement AC current below 6 A in compact power supply circuits etc Measurement procedure Insert the red plug of test leads into the DC 6 A AC 6 A input terminal and the black plug into the COM terminal Turn the function range selector to the AC 6 A range at the lower center Tur on the power switch of this unit power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position of red AC 6 A scale at the bottom Connect the black test pin to a measuring point on one side of the circuit to be measured and the red test pin to a measuring point on another side through the load in series To ensure safety turn off the power switch of the circuit to be measured before the test pins are connected and after that turn on the power switch of the circuit to be measured Read the meter indication on red AC 6 A scale and 0 6 figures in a unit of A ampere Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off The continuous measurable time of the current 3 6 A is within 30 seconds as the shunt resistor in this unit overheats The internal resistance of the AC 6 A range is very small and therefore if a voltage is applied by mistake to this range very large current will flow causing a danger Though this current is shut off by the bui
31. 3 V LED 3 V LED X10 X 1 LED X1 k X100 k 500 MA 24 X1 0 Q X1 0 Q R6P 1 5 V 2
32. DCV A 0 DCV A V POWER OFF 1000 V 0 120 10 1000 V 8 6 4 2 DCV DC 600 V 1 IC 2 t 0 15 0 6 1 5 6 15 60 150 600V 8 COM
33. the POWER ON 0 ZERO ADJ oo 0 Q 0 OADT 0Q 0 O OR 0 0 POWEROFF 500 mA
34. 0 0 Q 0 Q ADJ R6P 3 1 5 V Q 0 0 5 2 5 3 R6P 3 1 5 V OX1 0 0 6F22 9 V ON 5 6 6 1 AF 1 2 6 2 OEE DCV DCV ACV rms ACV PP DCA DCA
35. 300 mV eke 6A TERRIER J 4 100 Hz 30 2k X1 20k X10 200 X1 A SOMA MOI D H go 3 alone 200 M X100 3V 20 40 Hz 50 kHz 20 40 Hz 50 kHz o 8 4 Vp p 33 Vp p E CONTENTS 1 SAFETY PRECAUTIONS Before use read the following safety precautions 29 1 1 Warning and Caution Instruction for Safe Use 29 1 2 Explanation of Warning Symbols 1 3 Overload Protections ee
36. 50 70 RH 2000 m 2 3 R6 1 5V 2 6F22 9V 1 500 95X20mm F500 mAH 250 V F1176 45X20 mm F6 3 AL 250 V F1177 2 1 3 165 H X106 W X46 D mm 375g EM7000 1 TL21a 1 500 mA 250 V F1176 1 9 2
37. EIVI7000 FET MULTITESTER INSTRUCTION MANUAL BH 1 1 1 1 BEBO DOB KOE eee 1 1 2 esesecacsoscesescecsceososasecocoees 2 1 3 BNET RITE DS Tn RE 2 2 io 3 2 1 eee 3 2 2 ee 3 3 iii 3 4 ee 4 5 ee 5 5 1 oro 5 5 2 TTET TTE TTET T T 5 5 3 ooo 5 6 6 6 1 ee 6 6 2 ere 6 6 3 TT 6 6 4 ooooeoeosooooooooooooooooooosooooooooooooooooooooooooooooos 8 6 4 1 3 DCV PE E E A 8 6 4 2 DCV oo 9 6 4 3 ACV rms secccsescssssacocseosesesecosoeos 10 6 4 4 ACV p p 11 6 5 eer E 12 6 6 WS ERE RR RRR dia RRR RGR RR RRR RE 13 6 6 1 sane DCA ii 13 6 6 2 DCA ITI settee eee eeeeeee esse eens ees 14 6 6 3 DC 6A gaz RE ERRNO RR RE ER EN 15 6 6 4 AC
38. Stop using it and have it repaired kd Short the red and black test pins Stop using it and have it repaired Did the pointer move to right side Replace the battery and fuse and starting to once more Q x 1 range a YES Set the power switch No problem to ON position Start measurement 6 4 Voltage Measurement WARNING 1 Do not apply an input that exceeds the maximum rating of each range 2 Do not change over to other function or range during measurement 3 Measure in the maximum measuring range if you cannot estimate a value to measure 4 Do not hold the test pins on the leading end side from the flanges on the test leads during measurement 5 Be sure to perform measurement with parallel connection to the load 6 4 1 DCV DCV Maximum measurable voltage DC 1000 V 1 Objects of measurement Voltages of batteries and DC circuits 2 Measuring ranges 8 ranges 0 3 1 2 3 12 30 120 300 1000 V 3 Measurement procedure Insert the red plug of test leads in to the input terminal and 7 3 the black plug into the atter COM terminal Turn the function range selector to the appropriate range of DCV Turn on the power switch power ON Lamp blinks Turn the electrical zero adjuster ZE
39. 6 A 30 AC 6 A 6 3 A Ot Oh DCA 6 7 Q 100MQ AF 1 2 X1 X10 X100 X1k X10k X100k 6 3 COM 0 oat D 5
40. AF 1 2 3 4 5 6 4 1 DCV DC1000V 1 2 3 0 3 1 2 3 12 30 120 300 1000V 8 5 a COM e a lpev T TO DCV POWERON 0 ZERO ADJ
41. lt a 5 HV PROBE Dcv P 300 V 0 POWERON 0 ZERO ADJ DCV A 0 DCV A 0 30 kV POWER OFF HV 60
42. 101 0021 03 3253 4871 1 2 3 4 5 6 This warranty is valid only within Japan sanla 2 4 4 1010021 03 3253 4871 556 0003 06 6631 7361 SAN
43. 2 APPLICATIONS AND FEATURES 2 1 Applications POTTS TITILTTTLTILTTTIT TTT TT TTT TTT TTT TTT TTT Tee 2 2 Features 3 3 NAME OF FUNCTIONS POTETTITILT TVET TTT TTT TELL T TTT eee Teer 4 SCALE READING ooooooooooooooooooooooooooooooooooooooooooooooo 5 DESCRIPTION OF FUNCTIONS PYYTETTTILI TTT Terre Tee Tee 5 1 Switches and Adjusters es 5 2 How to Use the Stand 5 3 Time to Replace Internal Batteries ee 34 6 MEASURING PROCEDURE 35 6 1 Start UD Inspection RRND aa Siamnlgenealemesiaseagarmlseweusee 35 6 2 How to select an appropriate range ee 35 Selection of an appropriate range 6 3 Preparation for Measurement pp 35 6 4 Voltage Measurement 6 4 1 DCV DCV cecesoosoosocsoososososocoosoosososoesoesososooe 6 4 2 DCV DCV 6 4 3 ACV ACV rms 6 4 4 ACV ACV p p 6 5 AF Output dB Measurement 6 6 Current Measurement essosocsoocosososococososososocsoososooooe 6 6 1 DCA DCA z ceoesoosoosocsoososososococooosososoesoesososooe 6 6 2 DCA DCA POTUTTITITTTTIT TTT TT TTT PTTL TTT TTT TTT eT ee 6 6 3 DCA DC 6 A 6 6 4 ACA AC 6 A FT
44. 3 DCA 03m8ma0 m300 ma 9 Against full scale is excluded 300 mV 6A 4 Against full scale Continuous measurable 99 time max 30 s 0 06 pA DCA 5 A voltage drop by fuses eee 7 Against full scale is excluded 150 mV ACA 6A 3 Against full scale Continuous measurable sine wave 40 100 Hz time max 30 s 2 k X1 20 k X10 Resistance 200 KX100 2 MX1 ky Center value 20 Q X1 range o 20MXOMy 3 of arc Max value 2 kQ X1 range 200 M X100 k Release voltage Approx 3 V Above is only for measuring distorted wave voltage of 8 4 Vp p range The reading is approximate value when measuring non sine wave AC at range of 33 Vp p or higher Specifications and external appearance of the product described above may be revised for modification without prior notice 9 AFTER SALES SERVICE 9 1 Warranty and Provision Sanwa offers comprehensive warranty services to its end users and to its product resellers Under Sanwa s general warranty policy each instrument is warranted to be free from defects in workmanship or material under normal use for the period of one 1 year from the date of purchase This warranty policy is valid within the country of purchase only and applied only to the product purchased from Sanwa authorized agent or distributor Sanwa reserves the right to inspect all warranty claims to determine the extent to which the warranty policy shall apply T
45. service functional parts is 6 years after the discontinuation of manufacture This retention period is the repair warranty period Please note however if such functional parts become unavailable for reasons of discontinuation of manufacture etc the retention period may become shorter accordingly 4 Precautions when sending the product to be repaired To ensure the safety of the product during transportation place the product in a box that is larger than the product 5 times or more in volume and fill cushion materials fully and then clearly mark Repair Product Enclosed on the box surface The cost of sending and returning the product shall be borne by the customer 9 3 SANWA web site http www sanwa meter co jp E mail exp_sales sanwa meter co jp MEMO MEMO Sania EM7000 No 2 4 4 3
46. the function range selector to the appropriate ACV rms range Tur on the power switch power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position of red ACV rms scales Apply the red and black test pins to two measuring points parallel connection to the load In the case of alternating current the polarity of test leads may be ignored Read the meter indication on red ACV rms scales in a unit of V volt The figures are black figures common to DCV Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off The AC function of this unit uses the p p rectifying system that indicates the value between positive and negative peak values of sine wave alternating current p p value by converting into the root mean square value Accordingly the correct rms value is indicated for the sine wave AC but an indication error will occur according to waveforms in AC voltage measurement of waveforms other than sine wave AC Even for the voltage of two waveforms having the same rms value different values will be indicated if the voltage between positive and negative peak values are different On the contrary for the voltage of two waveforms having different rms values the same value will be indicated if the voltage between positive and negative peak values are the same So acvirms
47. value to be measured For example when measuring the voltage of 9 V the measuring range should not be 3 V range or 30 V range but be 12 V range and when measuring 15 V it should be 30 V range Resistance Q Select the range in which the pointer indicates the approximate center of the Q scales 6 3 Preparation for Measurement lf the pointer does not indicate correctly the zero position at the left end of the scale plate turn the mechanical zero meter adjuster with a screwdriver to adjust it See the figure below Connect the test leads to the input terminals and select the desired function range with the function range selector Turn on the power switch power ON and turn the electrical zero meter adjuster ZERO ADJ to adjust the electrical zero meter position Adjust the pointer to the zero position at the center of the meter for the DCV and DCA functions and to the zero position at the left end of the meter for other functions A Do not touch the electrical zero meter adjuster during measurement How to Use the Stand oy Mechanical zero position adjustment START Main unit and test leads damaged No damaged Check continuity of test leads and fuse Connect the black plug of the test lead to the terminal Connect the red plug of the test lead to the terminal 1 Set the function range selector at Damaged
48. 30 840 V p paT H 9800 kA 50 60 H pp O He kits ABM 50 60 Hz D 3 xx 750 V rms D 3 10MO 50 60 Hz ba mr ARESO Hz Duty 50 KEE O 6 Tr ala 0 Hl eo SA ET VRAIS 50 Halt J 25MO 50 60 Hz 40 Hz 100 kHa 3 xx 50 60 Hz Wie YY ek EIA svete fai 60 Hz HAIRY ticle en RXLIBHO 6 MDI a Bist 50 Halts 1 92 5 MO 50 60 Hz j 0 Ha 100 kHz 3 mat 10 51 dB 5 R RMJ fO dB 1 mW J ARROES ACV dB 600 Q l 0 775 V sa O12 pA Raniyyy 300 mV 03m 8m 90m600nA BAHRMOES MMA o 6A D 4 30 es 0 06 A Riot 150 mV DCA 0 15 m 1 5m 7 15 m 150 mA 3
49. 6A cesesessscsosoesoceseocessesoceceo 16 6 7 Q er 17 6 8 HV 50 HV 18 ed cee 20 1 Oro 20 2 OOo 20 3 eerste 20 4 ERR ERR ERNE RR ERR 22 8 22 28888 2 6 SIGGie 22 RSE TRA RE ANRC 22 po LLY wp Cane 23 RR EE 24 24 ceceeeeecececee cee eeseeesseeeusaeaseseesesssssseeeasaaees 24 25 1 FET EM7000 TF G ASO AEE KO ASR
50. DCV1000 X10 DCV 15 X1 0X10 X10 DCV 120 X1 DCV15 X0 1 0X1 X1 DCV 12 X0 1 DCV 0 15 X0 01 DCV 300 X10 DCV 1 2 X0 01 TEDCA 150m X10 DCV 30 X1 DCA0 12 X0 001 DCA15m X1 DCV 3 X01 ACV 750 X10 DCA15m X0 1 DCV 0 3 X0 01 ACV 120 X1 DCA015m X001 DCA300m X10 ACV 12 X01 DCV 600 X100 DCA 30 m X1 ACV P P 840 X100 DCV 60 X10 DCA3m X01 ACV PP 84 X10 HDCV6 IXI DCA03m X001 ACV P P 8 4 X1 DCV06 X0 1 DCA0 X0 01 DCV DCA ACV bp rms tm Xi DCV ACV rms ACV PP e ARRS Q X100 60X100 6000 Q 6 KQ DCV 120 V DEO 30X1 30 V ACV rms 300V 8 5X10 85 V ACV P P 840 V 2 4X100 240 V P P DCA 1 5m 7 5X0 1 0 75 mA 4 5 5 1 0
51. F500 mAH 250 V 5 x 20 mm ceramic tube part No F1176 F6 3 AL 250V 5x20 mm ceramic tube part No F1177 7 4 Cleaning and Storage A CAUTION The panel rear case and meter cover are weak to volatile solvents such as thinner and alcohol and therefore should be cleaned with soft dry cloth or slightly water damped cloth 2 The panel and the rear case are not resistant to heat Do not place the instrument near heat generating devices such as a soldering iron 3 Do not store the instrument in a place where it may be subjected to vibration or where it may fall 4 For storing the instrument avoid hot cold or humid places or places under direct sunlight or where condensation is anticipated 5 If this unit will not be used for a long period be sure to remove the batteries from the unit Following the above instructions store the instrument in good environment See 8 1 8 SPECIFICATIONS 8 1 General Specification Meter Internal magnet Taut band meter 48 pA AC Rectifying System p p voltage rectifying system Meter Drive Circuit FET differential amplifier Accuracy Assurance Temperature Humidity Range 23 C 2 C 75 RH max No condensation Operating Temperature and Humidity 5 31 C 80 RH max 31 C lt lt 40 C 80 50 RH decreasing linearly No condensation Storage Temperature Humidity Range 10 50 C 70 RH max No condensation Environmental Conditions Indoor use Altitude up
52. Pointer 0 Q adjuster 0 Q ADJ Mechanical zero position adjuster Function Range selector DC 6 A AC 6 A input terminal Electrical zero meter adjuster ZERO ADJ Power ON indicator COM input terminal Panel Rear case input terminal Removable Test test pin pins covers MLL m Finger guards E m Test probe red When not covered Plugs Test lead TL 21a Test probe black 4 SCALE READING AS ACV P P SS z zaver EDCV A tocow 6 AceA m dB Range Multiplier Range Multiplier Range Multiplier QX100k X100k ACV300 X10 ACV P P 330 X10 QX10k X10k alava IX ACVPP33 X1 EX1k X1k ACV3 X0 1 DCV150 X10 QX100 X100 DCV1000 X10 DCV15 X1 QX10 X10 DCV120 X1 DCV15 X01 QX1 X1 DCV 12 X01 DCV015 X001 DCV300 X10 IDCV12 X001 DCA150m X10 DCV30 X1 IDCA0 12 X0001 DCA15m X1 DCV3 X01 ACV750 X10 DCA15m X0 IDCV03 X001 ACV120 X1 DCA015m X001 IpCA300m X10 ACV 12 X04 DCV600 X100 DCA30m X1 ACV P P 840 X100 DCV60 X10 DCA3m X01 ACV P P 84 X10 DCV6 X1 DCA03m X001 ACV P P 8 4 X1 DCV06 X0 1 The DCV and DCA functions us
53. RO ADJ to adjust the pointer to the zero position at the left end of black DCV A scales Apply the black test pin to the negative potential side of the circuit to be measured and the red test pin to the positive potential side parallel connection to the load Read the indication on the DCV A scales in a unit of V volt Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off Read the indication in the 1000 V range by multiplying 0 120 scales by 10 However never measure voltages exceeding 1000 V to ensure safety It will be convenient to use the DCV function for circuits where positive voltage and negative voltage are present Se 6 4 2 DCV DCV Maximum measurable voltage DC 600 V 1 2 3 Objects of measurement Voltages of DC circuits where positive voltage and negative voltage are present on the reference such as IC circuits Measuring ranges 8 ranges 0 15 0 6 41 5 6 15 60 150 600 V Measurement procedure Insert the red plug of test leads into the input terminal and the black plug into the COM terminal Turn the function range selector to the appropriate blue DCV range at upper left Turn on the power switch power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position at the
54. URI 0 E POWER OFF DCA 2 gt errs RS eC OGAY FORE HO ET DC 6 A AC 6 A COM fp A DDC 6 A fr am h ell DLL POWER do ON WOS J 0 OFO ZERO ADJ k DCV A 0
55. W 0 dB AC 3 V 0 dB 0dB 0 775 V 1 m WH E Z 600 Q 2ko 5 2 dB 300 Q 3 dB 16 Q 15 8 dB 1kQ 2 2 dB 150 Q 6 dB 80 18 8dB 500 Q 0 8 dB 50 2 10 8 dB 4a 21 8 dB OBE ACV rms 6 6 AF 1 2 3 O X 4 i d a lal fo s la o 6 6 1 DCA DC 300 mA 1
56. WA ELECTRIC INSTRUMENT CO LTD Dempa Bldg 4 4 Sotokanda2 Chome Chiyoda ku Tokyo VEGETABLE Ex nK 09 1306 2040 2040
57. a resistor Read the indication on the Q scale in a unit of Q ohm 8 Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off At Q range the polarity of is reverse from that marked on the body panel If a voltage is applied to the Q function a fuse 500 mA built in this unit shuts off the voltage for safety However the shunt resistor in the range used may be burnt simultaneously depending on the waveform timing of the input voltage Operating voltage for Q range of this tester is 3 V so lighting test of LED can be performed Appropriate range is Q x 10 range For the Q function the measured current will be different largely depending on the ranges used Also the resistance of a semiconductor will vary largely depending on the intensity of the measured current Accordingly even for the same semiconductor for instance diode the measured value will vary largely depending on the ranges used if a test pin is touched by a finger during measurement measurement will be influenced by the resistance in the human body to result in measurement error Be sure to use the rated fuse 45 x 20 500 mA 250 V parts No F1176 for the instrument In case a fuse other than the rated one is used indication errors may occur and or circuit protection is become unable If the pointer does not move to 0 line even when the 0 Q adjuster is turned fully repla
58. be measured Turn off the power switch power OFF Lamp blinking goes off Note The dB scale of this unit are drawn in accordance with the AC 3 V range assuming that the output level is 0 dB when the impedance Z at the measuring point is 600 Q and the output is 1 mW If 0dB is converted to the voltage 0dB is 0 775 V 1mW E Z When the impedance at the measuring point is other than 600 Q obtain a value to add from the following table according to impedance values and add it to the value obtained in and Impedance Value to add Impedance Value to add Impedance Value to add 2kQ 5 2 dB 300 Q 3 dB 16Q 15 8 dB 1 kQ 2 2 dB 150 Q 6 dB 8Q 18 8 dB 500 Q 0 8 dB 509 10 8 dB 42 21 8 dB Observe the same precautions as those for the measurement of AC voltage ACV rms 6 6 Current Measurement A WARNING 1 Never appl ltage to th input terminals ge lt o me O Correct X Incorrect 2 Be sure to make a series K connection via load se ee 3 Do not apply an input exceeding the maximum p rated current to the input terminals 6 6 1 DCA DCA Maximum measurable current DC 300 mA 1 Objects of measurement Current that flows in batteries and DC circuits 2 Measuring ranges 5 ranges 0 12 M0 3 m 3 m 30 m 300 mA 3 Measurement procedure Insert the red plug of te
59. ce the internal batteries R6P 1 5 V x 2 to new ones The reading may vary because of external inductance when measuring high resistance value 6 8 DC High Voltage HV Measurement Optional HV Probe Max measurement value 30 kV DC WARNING 1 The probe are designed for the measurement of very small direct current circuit Never use the probe to measurement high voltage in power lines such as transmission and distribution lines it is very dangerous 2 Never apply input signals that exceed 30kV 3 Be sure to disconnect the test pins from the circuit when changing the function range selector 4 Always keep your fingers behind the finger guards on the probe when making measurements 1 Application The probe is suitable for measuring voltage of high impedance circuits such as CRT anode voltage of TV sets 2 Measuring range HV PROBE 3 Measurement procedure CRT Insert the black plug of L P Anode the HV probe into the a COM input terminal of os NO and the red plug into 5 the input terminal a lO eG SU Tum the function range men e Earth line selector to the PO HV PROBE position a6 eA Turn on the power switch F power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position of black DCV A scales First connect the cl
60. center of blue DCV A scales Apply the black test pin to the reference measures point and the red test pin to the desired measuring point Read the indication on the DCVA scales in a unit of V volt If the indication is on the right side of the zero position the red test lead is on the positive potential voltage and the black test lead is on the negative potential voltage If the indication is on the left side of the zero position the red test lead is on the negative potential voltage and the black test lead is on the positive potential voltage Detach the test pins from the circuit to be measured 8 Turn off the power switch power OFF Lamp blinking goes off Before measurement make sure that the meter pointer is adjusted correctly to the zero position at the center of DCV A scales lf shifted an indication error occurs by the amount of shift The zero meter position of the functions expect DCV and DCA functions is at the left end of black DCV A scales 6 4 3 ACV ACV rms Maximum measurable voltage AC 750 V 1 2 3 Objects of measurement Voltages of sine wave alternating current such as lamp line circuits converted to root mean square rms values Measuring ranges 6 ranges 3 12 30 120 300 750 V Measurement procedure Insert the red plug of test leads into the input terminal and the black plug into the COM terminal Turn
61. e black scale lines B ee me and the ACV rms function uses red scale lines R OR B XT The scale figures are common to the DCV and ACV rms functions The ACV p p function uses exclusive red scal liens and scale figures 4 6 Examples in a figure pointer place Function Range Scale No Conversion Reading Q X 100 60X100 6000 6 kQ DCV 120 V and 30X1 30 V ACV rms 300V and 8 5X10 85 V ACV P P 840 V 2 4X100 240 V P P DCA 1 5 m 7 5X0 1 0 75 mA 5 DESCRIPTION OF FUNCTIONS 5 1 Switches and Adjusters Function Range selector Selecting the desired function or range 2 Mechanical zero meter adjuster Adjusting zero position by turning it with a screwdriver see the figure at the bottom on the next page At this time the power switch must be kept OFF Power switch and power ON indicator lamp Sliding the switch upward ON direction turns on the power and the power ON indicator lamp blinks indicating that the unit is ready to be operated Sliding the switch downward OFF direction turns off the power and the power ON indicator lamp goes off A Be sure to turn off the power switch after use as the built in batteries are consumed Electrical zero meter adjuster ZERO ADJ Operates with layer built cell 6F22 Operate this adjuster after the mechanical zero meter adjustment and turning on the power switch In the measurement of DC voltage tDCV and DC curre
62. e voltage of AC 33 V rms 46 7 V peak or DC 70 V or more to avoid injury Never apply an input signals exceeding the maximum rating input value Never use the meter for measuring the line connected with equipment i e motors that generates induced or surge voltage since it may exceed the maximum allowable voltage Never use the meter if the meter or test leads are damaged or broken Never use uncased meter Be sure to use a fuse of the specified rating or type Never use a substitute of the fuse or never make a short circuit of the fuse Always keep your fingers behind the finger guards on the leads when making measurements Be sure to disconnect the test pins from the circuit when changing the function or range Before starting measurement make sure that the function and range are properly set in accordance with the measurement Never use the meter with wet hands or in a damp environment Never open rear case except when replacing batteries or fuse Do not attempt any alteration of original specifications To ensure safety and maintain accuracy calibrate and check the meter at least once a year Indoor use A CAUTION 1 The use of this unit in a way other than the description in the instruction manual may void the protection given to this unit 2 Please note the use of this unit in the environment where a frequency over several tens of kHz and a strong electromagnetic field exist could cause a mal
63. easurement procedure Insert the red plug of test leads into the DC 6 A AC 6 A input terminal and the black plug into the COM terminal Turn the function range selector to the DC 6A range at the lower center Tum on the power switch of this unit power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position of black DCV A scales Connect the black test pin to the negative potential side of the circuit to be measured and the red test pin to the positive potential side through the load in series To ensure safety turn off the power switch of the circuit to be measured before the test pins are connected and after that turn on the power switch of the circuit to be measured Read the meter indication on black DCV A scale by multiplying 0 30 figures by 0 2 The unit is A ampere Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off The continuous measurable time of the current 3 6 A is within 30 seconds as the shunt resistor in this unit overheats The internal resistance of the DC 6 A range is very small and therefore if a voltage is applied by mistake to this range very large current will flow causing a danger Though this current is shut off by the built in fuse 6 3 A take care not to make a wrong measurement power supply re
64. easurement procedure Insert the red plug of test leadsinto the input terminal andthe black plug into the COM terminal Turn the function range selector to the appropriate blue DCA range at the lower left Tur on the power switch power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position at the center of blue DCV A scales Connect the black test pin to a measuring point on one side of the circuit to be measured and the red test pin to a measuring point on another side through the load in series Read the indication on the DCV A scales in a unit of mA microampere or mA milliampere depending on the range used If the indication is on the right side of the zero position the red test lead is on the positive potential voltage and the black test lead is on the negative one If the indication is on the left side of the zero position the red test lead is on the negative potential voltage and the black test lead is on the positive one Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off Observe the same precautions as those for the DC Current DCA measurement 4 esistance p gt Battery Load 6 6 3 DCA DC 6 A 1 2 Objects of measurement DC current below 6 A in compact power supply circuits etc M
65. function Take care when using this unit 3 Because the instrument is super sensitive the meter may move by just connecting test leads but it is not failure of the instrument 4 It may malfunction when measuring voltage current in the inverter circuit 1 2 Explanation of Warning Symbols The meanings of the symbols used in this manual and attached to the product are as follows A Very important instruction for safe use The warning messages are intended to prevent accidents to operating personnel such as burn and electrical shock e The caution messages are intended to prevent damage to the instrument DC p peak to peak AC zero center meter Q Resistance o Double insulation Plus Minus co Infinity Ea Fuse and Diode Protection Ground 4 High Voltage risk of electric shock Fuse 1 3 Overload Protections Functions Input terminals 1 Maximum overload protection input DCV 1000 ACV 1750 DC AC 1000 V or peak max 1400 V DCV 1 2 3 12 30 DC AC 240 V or peak max 340 V ACV 120 300 ROM NA DC AC 750 V or peak max 1100 V LMAo PEN PFC DCA 0 3 m3 m DC AC 10 mA 2 DC AC 100 V 30 m 300 m DC AC 500 mA or peak max 140 V Q x1 x100k 2 3 DC AC 50 V or peak max 70 V DCA 6 OM PC 6 Al pe l AGA 6 Pow ace 4 DC AC 20A 1 The application time of the maximum ove
66. his warranty shall not apply to test leades fuses disposables batteries or any product or parts which have been subject to one of the following causes 1 A failure due to improper handling or use that deviates from the instruction manual 2 A failure due to inadequate repair or modification by people other than Sanwa service personnel 3 A failure due to causes not attributable to this product such as fire flood and other natural disaster 4 Non operation due to a discharged battery 5 A failure or damage due to transportation relocation or dropping after the purchase 9 2 Repair Customers are asked to provide the following information when requesting services 1 Customer name address and contact information 2 Description of problem 3 Description of product configuration 4 Model Number 5 Product Serial Number 6 Proof of Date of Purchase 7 Where you purchased the product 1 Prior to requesting repair please check the following Capacity of the built in battery polarity of installation and discontinuity of the test leads 2 Repair during the warranty period The failed meter will be repaired in accordance with the conditions stipulated in 9 1 Warranty and Provision 3 Repair after the warranty period has expired In some cases repair and transportation cost may become higher than the price of the product Please contact Sanwa authorized agent service provider in advance The minimum retention period of
67. ip black of the probe to the earth line COM in the circuit to be measured and then apply the measuring pin on the probe body to your measuring point Read the pointer on DCV A 0 30 scale in a unit of kV After measurement remove the measuring pin from the measured circuit and then remove the clip 8 Turn off the power switch power OFF Lamp blinking goes off The HV 60 probes cannot be used for AC voltage measurement In the measurement of circuits having high internal resistance such as high voltage circuits of TV sets a large voltage drop occurs in high voltage circuits when the measured current flows and thus a meter indication may be lower by several percents than the actual voltage 6 9 End of Measurement When measurement is end be sure to return the power switch to the OFF position and the function range selector to the ACV 750 position N Be sure to turn off the power switch after use as the built in batteries are consumed 7 MAINTENANCE WARNING 1 This section is very important for safety Read and understand the following instruction fully and maintain your instrument properly 2 The instrument must be calibrated and inspected at least once ayear to maintain the safety 7 1 Maintenance and inspection 1 Appearance ls the appearance not damaged by falling 2 Test leads and fuse Are the test leads not damaged Are the core wire not exposed at any place of
68. lt in fuse 6 3 A take care not to make a wrong measurement Further observe the same precautions as those for the measurement of DC current DCA power supply Lo QO 6 7 Resistance Q Measurement Maximum measurable resistance 100MQ Z WARNING Measuring resistance of a part which is under voltage not only causes a failure of this unit but also poses a danger to the human body 1 2 3 Objects of measurement Resistance of resistors and circuits and also the continuity of parts and circuits Measuring ranges 6 ranges X1 X10 X100 X1 k X10 k X100 k Measurement procedure va circuit Insert the red plug of test B Resistor G leads into the input terminal and the black plug into the COM terminal gt Q Turn the function range selector to the appropriate NQ Q range Tum on the power switch N me power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the co position at the left end of blue Q scales at the top Short circuiting red and black test pins turn the 0 Q adjuster 0 Q ADJ to adjust the pointer to the 0 Q position at the right end of the Q scale Release the short circuit by the red and black test pins and reconnect the test pins to the object to be measured such as
69. lues between maximum and minimum values of sine wave and distorted wave alternating current Sine wave frequency characteristics See 9 3 Distorted wave Range 8 4 Vp p range only frequency characteristics 40 Hz 50 kHz Triangular wave square wave over 20 duty cycle or pursuant voltage with repetitive waveform e Triangular wave square wave over 20 duty cycle or voltage with half wave retification wavefrom However frequency must be in between 40 Hz 50 kHz and side of rectified voltage must be connected to input terminal of the instrument CAUTION Above is only for measuring distorted wave voltage of 8 4 Vp p range The reading is approximate value when measuring non sine wave AC at range of 33 Vp p or higher Measuring ranges 5 ranges 8 4 33 84 330 840 V IO 3 Measurement procedure Insert the red plug of test leads into the input terminal and the black plug into the COM terminal Turn the function range selector to the appropriate ACV pp range Turn on the power switch power ON Lamp blinks TU the zero adjuster ZERO ADJ to adjust the pointer to the zero position of red ACV p p scales Apply the red and black test pins to two measuring points parallel connection to the load The polarity of test leads may be ignored Read the meter indication using ACV p p scales and red figures in a u
70. nit of V p p peak to peak volt Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off Observe the same precautions as those for the AC voltage ACV rms measurement 6 5 AF Output dB Measurement 1 Objects of measurement Low frequency signals such as audio outputs of amplifiers 2 Measuring ranges 11 dB Addition table attached Lower right of scale plate 3 Measurement procedure aL 0 ACVirms W at LO 4 AC fe 1148 Insert the red plug of test leads into the input terminal and the black plug into the COM terminal Turn the function range selector to the appropriate ACV rms range for instance 3 V range 11 dB Turn on the power switch power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position of red ACV rms scales Apply the red and black test pins to two measuring points The polarity of test leads may be ignored Read the meter indication on dB scale in a unit of dB decibel Further according to the set range ACV rms obtain a value to add from the addition table at the lower right of scale plate and add it to the read value This value is the dB value at the measuring point Note f 8 Detach the test pins from the circuit to
71. nt DCA turn on the power switch and then turn this adjuster to adjust the pointer to the zero position at the center of DCV A scales In the measurement of the functions other than the above turn on the power switch and then turn this adjuster to adjust the pointer to the zero position 0 Q adjuster 0 2 ADJ Operates with model R6P SUM 3 battery 1 5 V Use this for the resistance measurement Before measurement turn on the power switch and short circuit the test pins of test leads and turn this adjuster to adjust the pointer to the 0 Q position 5 2 How to Use the Stand Tilt the stand attached to the rear case as shown in the figure on the next page 5 3 Time to Replace Internal Batteries Model R6P SUM 3 battery 1 5 V When 0 Q adjustment in the Q x 1 range cannot be made Model 6F22 layer built cell 9 V When blink interval of ON indicator lamp becomes shorter than that with a new battery or when continuously lighted 6 MEASURING PROCEDURE 6 1 Startup Inspection See the flowchart on the next page Z WARNING 1 To prevent an electric shock do not use the tester if the tester itself or test leads are damaged 2 Make sure that the test leads are not broken or the fuses are not blown 6 2 How to select an appropriate range Voltage DCV DCV ACV rms ACV p p Current DCA DCA As a rule select the range whose maximum scale value is larger than the
72. ox 12 MQ 3 Against full scale DCV 3V Internal resistance Approx 11 MQ 12 30 120 300 1000 V Internal resistance Approx 10 MO 30 kV 20 Against full scale tolerance depends on a combination of optional probes DCV 0 15 0 6 1 5 6 7 Against full scale Same as the internal resistance 15 60 150 600 V 7 9 of corresponding DCV range 3 Against full scale Internal impedance 3V rms 5 tp bask A M 8 4 V P P pprox 2 5 MQ 40 Hz 1 MHz within 3 9 50 60 Hz 3 Against full scale Internal impedance 12 V rms a 33 V ue 50 Hz basis Approx 1 1 MQ ACV 40 Hz 1 MHz within 5 50 60 Hz 3 Against full scale Internal impedance rms 30 V p p 84V Hes 50 Hz basis Approx 800 kQ 40 Hz 10 kHz within 5 50 60 Hz 3 Against full scale Internal impedance 120 300 V 330 840 V a 50 Hz basis Approx 800 kMQ 40 Hz 1 kHz within 5 50 60 Hz 750 V rms 3 Against full scale internal impedance Approx 10 MQ 50 60 Hz Function Full scale value Accuracy Remarks Square symmetric wave 50 Hz Duty 50 6 Against full scale 50 Hz basis ACV i ne Internal impedance 8 4 Vp p Approx 2 5 MQ p p k ak wave 50 60 Hz 6 Against full scale 50 Hz basis 40 Hz 100 kHz within 3 10 51 dB AF output 0 dB 0 775 V 1 mW 9 aB neoo inpedance 3 of are circuit 0 12 pA A voltage drop by fuses
73. rload protection input value is within 5 seconds Also the input waveform of AC voltage is a sine wave 2 The circuits are protected with a fuse 500 mA and a diode if overload input is voltage 3 The circuits are protected with a fuse 500 mA and a diode if overload input is voltage However the resistors could be burnt depending on the input timing of input waveforms or polarity in the case of direct current 4 The circuits are protected with a fuse 6 3 A against the overload input 2 APPLICATION AND FEATURES 2 1 Applications This unit is a highly sensitive tester designed for measuring electric circuits having a small capacity It can measure voltages at various areas of compact communication equipment and household electric appliances voltages of lamp lines and various batteries and micro current in the mA class 2 2 Features This unit is a highly sensitive FET electronic tester having the DC voltage function of which the internal resistance is as high as 2 5 to 12 MQ and also the DC current function with the 0 12 pA range The zero center meter NULL meter function facilitates measurement of DC voltage and DC current The frequency characteristic of AC low voltage ranges 3 V and 12 V ranges is 40 Hz 1 MHz The Vp p value of triangular wave square wave over 20 duty cycle voltages of waveforms can also be measured at 3 V range 3 NAME OF FUNCTIONS Meter cover Scale
74. st leads into the input terminal and the black plug into the COM terminal Turn the function range selector to the appropriate DCA range Tum on the power switch power ON Lamp blinks Turn the electrical zero adjuster ZERO ADJ to adjust the pointer to the zero position of black DCV A scales Connect the black test pin to the negative potential side of the circuit to be measured and the red test pin to the positive potential side through the load in series Read the indication on the DCV A scales in a unit of pA microampere or mA miliampere depending on the range used Detach the test pins from the circuit to be measured Turn off the power switch power OFF Lamp blinking goes off In the current measurement the internal resistance of the current range is inserted in series in the circuit to be measured and therefore the measured value will be smaller than the actual current value depending on the intensity of internal resistance The fuse 500 mA in this unit shuts off the circuit if a voltage or current over 500 mA 0 5 A is applied 44 6 6 2 DCA DCA Maximum measurable current DC 150 mA 1 2 3 Objects of measurement This function is useful for measuring circuits where the current directions are not constant such as a detection circuit Measuring ranges 5 ranges 0 06 p 0 15 m 1 5 m 15 m 150 mA M
75. the test leads Make sure that the test leads are not cut referring to the section 6 1 lf your instrument fails any of above check do not use it and have it repaired or replace it to new one 7 2 Calibration The manufacturer may conduct calibration and inspection For more information please contact the dealer or manufacturer 7 3 How to Replace Built in Battery and Fuse WARNING 1 If the rear case is removed with input applied to the input terminals you may get electrical shock Before starting the work always make sure that no inputs is applied 2 Be sure to use a fuse that has the same rating so as to ensure safety and performance of tester 3 When removing the rear case do not touch the internal parts or wire with hand 4 Two types of fuses 500 mA and 6 3 A are used Be careful not to confuse them lt How to replace the battery or fuse gt Remove the rear case screw with a screwdriver Remove the rear case Take out the battery or fuse and replace it with a new one 4 Attach the rear case and fix it with the screw NCheck and see whether or not indications of respective ranges are normal Set batteries in correct polarity Spare fuse 500 mA Battery Layer built cell 6F22 9 V Fuse 500 mA Fuse 6 3 A Fuse of the specified rating and type
76. to 2000mm Built in Battery R6P or SUM 3 1 5 V x 2 6F22 9 V x 1 Built in Fuse F500 mAH 250 V 65 x 20 mm ceramic tube part No F1176 F6 3 AL 250 V 5 x 20 mm ceramic tube part No F1177 Fast acting fuse Blowout capacity 1500 A Built in Battery Life 6F22 for Meter Drive Circuit Continuous 500 hours When power sw ON input terminals open Factory preinstalled built in battery A battery for monitoring is preinstalled before shipping therefore it may run down sooner than the battery life specified in the instruction manual The battery for monitoring is a battery to inspect the functions and specifications of the product Overload circuit protection Circuit protection by diode and fuse However for the Q function the circuit is protected only at the input of positive Dimension and Mass 165 H X 106 W X 46 D mm 375g Accessories __ Instruction manual EM7000 1 Testleads TL 21a 1 Spare fuse 500 mA 250V 1 8 2 Optional Accessories e Carrying case C CA HV probe HV 60 30 kV Clip adapter CL 11 8 3 Measurement Range and Accuracy Accuracy assurance range 23 C 2 75 RH max No condensation Attitude Horizontal 5 mark ACV accuracy in the case of sine wave 50 60 Hz Function Full scale value Accuracy Remarks 0 3 V Internal resistance Approx 2 5 MQ 1 2V Internal resistance Appr

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