YX-361TR - Sanwa Electric Instrument Co., Ltd.
Contents
1. 1 2 3 BA tat ATE eA STN HS ew 10 6kVA AC33Vrms 46 7Vpeak DC70V2. 3 Eb 1 2 i LOAD sRROMETT Zm 00 gt _ gt Im I 1 Zmz0 le lrZw Ep A TP B
3. 150X100X37mm 290g TL 61 1 5X20 500mA 250V 1 1 HV 10 C YS HFEF 7 HFE 6 4 D COM O LED OUTPUT 0 047MF 400V CONTINUITY BA Adar at ty 2 x A NULL A A
4. 1i 12 13 14 15 16 1 A 1 0 0 2 NULL DCV NULL 5V 25V
5. e 13 COM pox J 9 LV 13 LI LV O COM LI LI LV LI LV x1 10 0 150mA X10 0 15mA x100 0 1 0 1 5 mA xik 10 0 150ZA X10k 0 60zA 3V 0V X1 X1k X10k 4
6. 1 e 0 2 6 3 e o 4 205 0023 4 7 15 TEL 042 554 0113 5 CHARY lt gt gt lt gt gt 45X20mm 500mA 250V 300A 40 42 120 10
7. 2 60 85 3 4 5 3 1
8. 12 COM O09ADJ Q 0 0 N 500mA 250V XX 1 0 0 ABE X 1 1 ASS OFF 6 LED 1 100 CONTINUITY LED
9. ACV OUT PUT OUTPUT COM 1 5V BATT 0 25A 10 e GOOD e e BAD
10. AC oe ot 2 ACV 2 5V 10V 50V 250V 1000V 3 COM 4 ACV AC2 5V 8 MO 250V 0 250V 50V 0 50V 10V 0 10V 1000V 100 0 1000V os 5V 0 2 5V 8 ACV 5 ACV DCmA Q ACV A 6 200V U AC250V 1000V COM g POWER OFF POWER
11. 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 SdIIUId YX 361TR No _ 2 4 4 3 101 0021 03 3253 4871 1
12. 2 3 4 5 6 This warranty is valid only within Japan YX 361TR MULTITESTER INSTRUCTION MANUAL Wide Ranging Personal Type Multitester Model YX 361TR With Automatic Polarity Function Introduction Thank you very much for purchasing the tester It is a high class wide ranging personal type tester with the adoption of newly designed one control 24 channel rotary switch It incorporates automatic polarity circuit and safety device In addition its functions can be increased with the use of a variety of optional accessories We hope you will master as many usages of the tester as possible after perusal of this operator manual and will make habitual use of it for a long time Features 1 Automatic polarity function can be used as NUL
13. 2 DCV NULL 5V 25V 3 COM DCV 4 DCV NULL 4 Ho 25V ua g SE SV 4 DCV NULL 5 DCV 5V 252V 2 6 0 0 5 7 0 R 0 8 eS a E O S i SA 5 00
14. TV FM NULL 2 LED LED LED 3 BATT GOOD BAD 4 OUTPUT T TV 5
15. 6 FA iii a 0 0 1V 0 5V 2 5V 10V 50V iiss 250V 1000V 25kV 2 5 25kV HV 1000V osy BAERE ZFA AR DCV IEN 45 NULL Si 40kQ V 0 50 A 2 5mA 25mA 0 25A DCmA 50 zA DCO0 1V 2 5 250mV 0 2 5V 10V 50V 250V 1000V 2 5V range 40Hz 100kHz 3 10V range 40Hz 100kHz 3 3 ACV 50V range 40Hz 20kHz 3 A 10V 9kQ V 250V range 40Hz 3kHz 3 4 1000V range 40Hz 1kHz 3 7 10dB 10dB AC2 5V 62dB E he 0dB 0 775V 1mW ACV ACY 6000 X1 10 0 20 2ka 200 He Ht X10 0 20 20kQ 2000 o 4 X100 0 200 20
16. pia D1 5V R6 RGF2 2 2 X10kQ 9V 6F22 1 5V R6 3 O ADAG X12 ieee 18 18 1 2 5 X20mm 500mAX250V A 1
17. 1 5V BATT 10 SUM 1 R20 SUM 2 R14 SUM 3 R6 BATT DCV COM II 0 1 5V Q 1 09 o FOWE 2 fi HA M X1 X10 X100 X1k X 10k 0 20 20MQ 3 COM 4 Q 11 NOH LED os 10 le 5 e x1 0 2kQ gt gt X10 10 0 20kQ em x100 100 0 200k9 X1k kQ 0 2MQ X10k 104 kN 0 20MQ 12 09 d 5 0QADJ
18. 2 ACV 3 AC2 5V 600Q dB 0dB 1mW 0 775V 4 10V dB AC 2 5V 10V 50V 250V 1000V dB 0 12 26 40 52 dB 10dB 22dB 36dB 50dB 62dB mi fil 10V 7dB 10V dB 12 7 12 19dHB OUTPUT ACV OUTPUT 0 047MF 400V TV DC AC DC AC TV TV
19. Tv L Er TATE an 90090090009 O DCV A ACV BAL ie 10V sesccsesscsesecocosesesssesese DCV NULL et a
20. TR 00 X100 COM 00ADJ 00 le hre r p 17 A O on Oj ix O 1 g COM COM NPN TR PNP TR 2 hrk 17 TR NPN TR COM PNP TR 3 2 TR 4 NPN TR PNP TR COM TR hs TR Ic Is hrs 1 XIALY STET ARK
21. YX 361TR MULTITESTER INSTRUCTION MANUAL MODEL YX 361TR YX 361TR 24ch 1 NULL NULL
22. 12V 0V 14 LI LV II O Q LED 15 0 X 1 10 LED jr LI n Vr LV o Q a A COM x10 HH 15 IF Vr lt o hr HIFE 6 he Ic Is 0 1000 00 ao 2 S TRIVZZMF 16 k On RRR oF OF he
23. 5 DCV 6 3 HV 10 A HV 10 PROBE 1000 e DCV A 0 250 FVJ 0 1 0 25kV CRT COM HV 3 t PS 480MQ SAA DCV TV FM
24. ADJ 0 9V 6F22 DCmA Fa 7 1 IC 2 DCmA 507A 2 5mA 25mA 0 25A 3 COM COM 4 DCV A 6 2 5mA 0 01 0 2 5mA 25mA 0 1 0 25mA 0 25A 0 00148 0 250mA 0 250mA 50zA 0 50gA 6 DCmA 5 50 A DCV0 1 DCmA IN O X ACV 1
25. ON O dB AC mal Av oO ACV sagt PowER St say 1 ACV 2 9 dB dB dB 600OQ 1mW OdB OdB 0 775V 6000 dB dB AC dB dB 1 10 10 62dB 5
26. 2 5V AC2 5V ELF Fy BS cee eee eee eee eee eee teeter eee eee nes hmg oe if 1 5V BATT 1 5V OLY LI E BS cet eeeee et ee eee ee eee ee ester esse sees 0 LV dB Oe LED DCV 1 2 3 4 2 DCV IC DCV 0 1V 0 5V 2 5V 10V 50V 250V 1000V COM COM DCV A 2 2 5V 0 01 0 2 5V 250V 0 250V 0 5V 0 011 0 0 5V 50V 0 50V 0 1V 0 01 0 0 1V 10V 0 10V 1000V 100 0 1000V
27. 50V 0 1V by 0 01 0 0 1V 10V Direct reading 0 10V Fig 2 How to read out DCV scale 1000V by 100 0 1000V 4 Set the range selector switch knob to a necessary range in DCV ranges for measurement Generally fix the black negative test lead pin to the negative potential point earth line connect the red positive test lead pin to each test point and perform measurement Take note of the polarities well when measuring voltage drop in the both ends of resistor minus voltage of oscillation cir cuit and transistor circuit 5 For measurement of high voltage of TV connect op tional HV probe to the tester as shown in Fig 3 PROBE j e Read out a value on 0 250 of DCV A scale 1000 in kV unit after multiplying it by 0 1 DCV e Use this probe only for the measurement of A TV CRT anode voltage high voltage for focus COM and voltage of a high impedance circuit 480MQ HV Tr jp Fig 3 Ucr Ground Measuring DCV NULL As 0 centering meter NULL meter Used ragnes DCV 5V 25V 2 Measuring terminals and COM Same as in DCV measurement 3 Indicator scale DCV NULL scale is used Refer to Fig 4 for readings 25V Read out directly 5V Read out directly Fig 4 DCV NULL scale and way of readings 4 Set the range selector switch knob to either 5V or 25V in DCV ranges The two ranges are of automatic polarity circuit So if the knob is set to one of the ranges the i
28. COM terminals together as shown in Fig 10 turn the zero ohm adjuster OQR ADJ knob and align the indicator pointer to the rightmost OQ line of the Q scale After this adjustment is finished proceed to measure ment If this adjustment is done whenever the range is switched more accurate indicated value can be obtained 5 Be sure to turn off POWER switch of measured object before measuring resistance in its circuit Be careful not to apply any voltage to X1 or X10 range 6 Checking continuity with an LED Continuity CONTINUITY indicating LED right above on the indicator lights when measured resistance value is about 10Q or less in X1 range Brilliance of LED varies according to resistance value It is very conven ient to use LED because the operator can judge con tinuity visually faster than with the pointer and more quiety than with buzzer A Caution The polarity of and turns revers to that of the test leads when measurement is done in Q range Be sure to use the same rated fuse In case a fuse other than the same rated one see SPECIFICATIONS is used error in indication occurs and or circuit protection is made unble If the pointer fails to swing up to OQ even when the 02 adjuster is turned clokwise fully replace the internal battery with a fresh one Reference e The polarities of the tester terminals during measurement of resistance Fig 11 The resistance measuring circuit of the tester is compos
29. while object rent 0 15mA X10 range SS LI 0 150mA X1 range Terminal to Common to each Q range 3V 0V Voltage applied ae terminal volt 5 of arc terminals while Q is Reverse of LI scale age LV measured DC amplifica Transistor hre 0 1000 With the use of optional tionfactor hFE in X 10Q range 3 of arc probe Frequency characteristics Sania EZA 2 4 4 101 0021 03 3253 4871 2 7 2 556 0003 06 6631 7361 SANWA ELECTRIC INSTRUMENT CO LTD Dempa Bldg Sotokanda2 Chome Chiyoda ku Tokyo Japan Cras 15 1012 2040 2040
30. 0kQ 2kQ BRE 1k 0 2009 2MQ 20kQ R6 1 5V X2 ear 3 ED X10k 0 2kQ 20MQ 200kQ 6F22 9V X1 LED X1 100 0 1 5V BATT GOOD BAD 5 0 25A 0 150 nA k 00 LD 0 D 5 COM 3 ra 0 X1 1b LV 3V 0V II 5 bre 0 1000 ase I FELT 34 H hr QX10 3 50Hz 23 2C 75 RH KETAM MBO HITE 5 ACV 50 60Hz o ott HH e 0 43 80 RH 10 50 70 RH R6 1 5V X2 6F22 9V X1
31. C element is blocked by the capacitor For examples e Measuring output voltage of general low frequency amplifiers e Detecting horizontal signal in TV horizontal amplifica tion circuit e Checking whether or not input signal is present in TV synchronizing separation and synchronizing amplifica tion circuits The method of measurement is same as for ACV except connecting the positive test lead to OUTPUT terminal Therefore in this measurement OUTPUT and COM terminals are used Testing batteries Practical test of 1 5V dry battery The value measured in DC voltage range of a tester is a value of no load voltage open voltage with a high imped ance and small current So even an aged battery with increased internal resistance and no current capacity may indicate 1 5V or the like This means that the battery is considered to be good only by judging its voltage To test true voltage of dry battery BATT test range of this tester includes load resistance of about 0 25A that corre sponds with the current consumed by common appliance The tester is therefore considered to perform practical test of batteries and to judge their quality Connection of leads and the method of measurement are as shown in Fig 8 Judgements are made by the indication of the indicator pointer as follows Fig 8 Take readings in red blue color coded scale BATT test range should be used for batteries with a large capac
32. L meter 0 centering meter NULL meter function required for the measurement of digital circuits operational amplifier circuits and TV FM detecting circuits can be set auto matically by operating the one control switch With this function it is easy to judge positive and negative polari ties during measurement 2 Widened measuring ranges with the adoption of the 24 channel rotary switch One control 24 channel rotary switch is newly adopted In addition to general measurements it provides 33 measuring ranges in all including extra functions Performs continuity check with a light Continuity can be judged visually in an instant because an LED is built in in the meter Provides BATT test range To perform practical battery test a load equal to that of battery being used is built in in the tester The quality of battery can be judged with an exclusive color coded GOOD BAD scale Equipped with OUTPUT series capacitor terminal The tester can be applied to the measurement of TV audio and other electronic circuits for it detects AC signal element alone in AC DC coupled circuit Safety emphasis measuring terminals and test leads are adopted The measuring terminals and test leads are specially de signed for operator safety The test lead plugs are guarded with insulating material So the metal part is not exposed to avoid a possible electric shock Double protection device Safety emphasis circuitry design with t
33. circuit is fixed power can be compared by only expressing voltage current ratio in dB The dB scale of this tester is graduated in a way that the value is 0dB when 1mW is consumed in 600Q impedance circuit and when it is converted into voltage 0 dB is equal to 0 775V So output in 600Q impedance circuit can be read directly in dB value However when the impedance of measured circuit varies measured dB value is nothing but an AC voltage value measured in dB scale that corresponds with ACV scale 1 Used ranges 10 10 62 dB 5 ranges 2 The method of measurement is quite same as that for ACV measurement 3 The scale is graduated corresponding to AC 2 5V range and only output in 600Q impedance circuit can be read directly in dB unit 0 dB 1mW 0 775V For ranges over 10V calculate true values after adding ADD dB values to indicated values ACV range ADD dB value 2 5V 10V 0 12 50V 26 250V 1000V 4o 52 Example When 7 dB is obtained in 10V range as an indicated value add 12 ADD dB value in 10V range to it and the true value will be calculated as 7 12 19dB Measuring ACV with OUTPUT terminal Measuring low frequency output A capacitor is connected in series with OUTPUT terminal with capacitor 0 047MF 400V It is very convenient to use this terminal when the operator needs to measure AC element alone in TV or audio circuit where DC and AC eleents are mixed D
34. d The failed meter will be repaired in accordance with the conditions stipulated in 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 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 SANWA web site http www sanwa meter co jp E mail exp_sales sanwa meter co jp Specifications Accuracy assurance Temperature Humidity range 23 2 C 75 RH max No condensation Operating temperature and humidity 5 31 C 80 RH max 31 lt 40 C 80 50 RH decreasing linearly Storage temperature Humidity range 10 50 C 70 RH max No condensation Size weight 150 x 100 x37 mm About 290 g Accessories One pair of t
35. ed as in Fig 11 The positive polarity of the internal battery is connected to terminal of the tester so when measurement is done in resistance ranges COM terminal becomes positive and terminal negative Bear this relation in your mind and it will be useful to measure such polarized resistors semi conductors as transistors and diodes or to test the leakage of electrolytic capacitors About current across the terminals LI and voltage across the terminals LV Current flowing across and COM terminals while an ob ject is being measured in resistance Q range is called LI When LI flows across the measured object voltage drop originates This voltage is called LV and LI and LV values are shown on the scale plate Multiplying Reading Range factor range x by 10 0 150mA X10 Directreading 0 15mA X100 by 0 1 O 1 5mA X1k by10 0 150ZA 3V 0V common to each range Fig 12 LI and LV scale The maximum LI values are shown in each Q range The impedance of measured object may vary according to flow ing current or applied voltage depending on measured ob ject or something unusual may originate due to self heating of measured object The operator is therefore requested to perform measurement in each Q range after fully under standing the relation Testing LED Application of tester Q range X1 EEA ve indication FEH Fig 13 Connect LED as shown in Fig 13 and perform measure m
36. ent in X1Q or X10Q range LED lights if its continuity is normal and the current value then namely IF is indicated on LI scale and VF on LV scale at the same time MEASUREMENT OF TRANSISTORS USE AS TRANSISTOR CHECKER With the attachment of the hFE connector hrE 6 this unit can measure the DC current amplification factor hfe lc lg of transistors in the 0 to 1000 range 100 500 S KJ hee Fig 14 4mmg tester connector pin Transistor collector terminal connecting clip Transistor base terminal connecting clip Preparations before Measurement To measure transistors this unit uses the resistance measuring range Therefore make full scale adjustment OQ adjustment of the indicator needle before doing the measurement Just as before measuring resistance turn the range to x10Q short circuit the and COM terminals and align the needle to 0Q line with 0Q ADJ Measurement of hFE DC Current Amplification Factor 1 Connection of Connectors e Fig 15 Y oxo Vi cx O COM om COM E NPN TR PNP TR ley 8 c 2 Then depending on the polarity of the transistor to be tested insert the hFE connector into the COM terminal of the unit if it is NPN transistor and into the terminal if it is PNP transistor 3 This connector has two lead lines each with an alligator clip at the end Connect the black clip to the base terminal of the transistor and the red c
37. est leads TL 61 one copy of instruction manual and one spare fuse 56mm dia x 20mm 500mA 250V built in Optional accessories HV probe HV 10 and carrying case C YS HFE 6 Measurement Measuring range Accuracy Remarks 0 0 1V 0 5V 2 5V 10V 50V 2 5 fs Input impedance DCV x i 250 1000 25kV 1000V or less 20kQ V 25kV with optional HV probe 0 centering meter type ea ae 2 5 fs Input impedance SM eer 40kQ V 0 50uA 2 5mA 25mA 0 25mA Terminal voltage drop 2 5 om 50A at the DC 0 1V position 225 fS 250mV 0 2 5V 10V 50V 250V 1000V 2 5V range 40Hz 100kHz 3 has ACV 10V range 40Hz 100kHz 3 rot MM Input impedance 50V range 40Hz 20kHz 3 SB 9koV 250V range 40Hz 3kHz 3 10V or less 1000V range 40Hz 1kHz 3 AF 10dB 10dB AC250V 62dB nee 0dB 0 775V Same as inACV Same as in ACV dB 1mW through 600Q impedance circuit X1 0 0 20 2kQ Center 2002 X10 0 2Q 20kQ Center 20092 Q X100 0 209 200kQ Center 20 Internal batteries with continuity X1k 0 200Q 2MQ Center 20kQ 3 of arc R6 1 5V X2 indicating LED X10k 0 2kQ 20MQ Center 200kQ 6F22 9V X1 Continuity indicating LED in X1 range Light is emitted at 10Q or less Battery test H 7 59 BATT 0 1 5V GOOD BAD color coded scale 5 fs Load current 0 25A Terminal to 0 150HA X1k range R terminal 0 1 5mA X100 range Current flowing across erminal cur 9 5 of arc terminals
38. he combined use of a high performance fuse and protection diode Newly designed unique appearance The housings are designed to be easier to carry and easier to use with the adoption of a wide easy to see indicator and large easy to operate knob in the front panel SAFETY INFORMATION Following description is intended to protect operators from such injury as burn and electric shock Be sure always to observe it at the time of using this instrument ZA WARNING Do not use the tester for the measurement of electric circuits of a large capacity The fuse contained in the tester is rated as 250V breaking capacity 100A Avoid measuring such circuits as there may be some problem that jeopardizes safety measurement due to a possible error in setting range WARNING Be sure to use a fuse of the specified rating and type 500mA 250V 5mm 20mm long Never use a substitute or short the circuit A WARNING Never operate the tester with wet hands at places with high humidity or much moisture You may get electric shock A WARNING Do not touch the test pins during measurement A WARNING There is a danger of electric shock Exercise special care when measuring voltage above 60VDC or 25Vrms AC A WARNING The repair and redesign works call for our service man A WARNING Do not make a measurement with the rear case or the meter cover removed A WARNING Each time you make a measurement be sure to check ranges Measurement with erroneo
39. ied by power and consumed by load so the current range must be connected in series with measured circuit in other words between power source and load Zmsco him bk Im Zus0 IL leZw Ep Measuring voltage Measuring current Im Meter current Iu Load current Power voltage ofthe teen Fig 1 Generally speaking the input impedance of the voltmeter is desired to be large for only small current of the meter will do for measurement On the contrary the input im pedance of the ammeter is desired to be small for only small power loss by IL X ZM will do for measurement For this very reason errors in and connections are very dangerous Especially if measurement is performed in current range with the connection of voltage measurement excess current flows across the tester and damages in ternal parts and fuse by combustion The operator is therefore requested to fully understand the difference between voltage and current measurements and perform measurement with a correct connection 9 Measuring DCV 1 Used ranges DCV 0 1V 0 5V 2 5V 10V 50V 250V 1000V 2 Measuring terminals and COM as a rule plug the red test lead into ter minal and the black test lead into COM terminal 3 Indicator scale DCV A scale is used Refer to Fig 2 for readings Multiplying Reading Range factor range 2 5V by 0 01 O 2 5V 250V Direct reading 0 250V 0 5V by0 01 0 0 5V 50V Direct reading 0
40. ity such as R20 SUM 1 R14 SUM 2 and R6 SUM 3 e Good battery The pointer stays within the blue GOOD range e Good or bad The pointer stays within the range The battery may be used for a small transistor radio but not for equipment that needs power e Bad The pointer stays within the red range For accurate voltage value take readings by regarding LI blue scale as a voltmeter of 0 1 5V Caution For the measurement of small thin type batteries used for wrist watches and small computers do not use BATT test range Instead use DC 2 5V range to measure such batteries with and COM terminals and if measured voltage value is fairly lower than nominal voltage value consider the batteries to be bad and useless Measuring resistance Q 1 Used ranges X1 X10 X100 X1k X10k 0 2Q 20M9 2 Measuring terminals and COM 3 Indicator scale Q scale is used Refer to Fig 9 for readings Continuity indicating LED Multiplying Reading 30 20 P s0 10 deere factor range 2 X1 Direct reading 0 2ko X10 by10 0 20kQ X100 by 100 0 200kQ X1k Direct reading nt ime unit 0 2MQ X10k by 10 in kQ unit 0 20MQ Fig 10 OQ adjustment h go Measuring resistance value Resistor 4 OQ adjustment OQ ADJ OQ adjustment in other words fullscale adjustment must be done prior to using the tester Short and
41. kmanship 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 This warranty shall not apply to 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 2 Repair Customers are asked to provide the following information when requesting services Customer name address and contact information Description of problem Description of product configuration Model Number Product Serial Number Proof of Date of Purchase Where you purchased the product DO Ol oo 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 perio
42. lip to the collector terminal 4 Then connect the other measuring terminal terminal if the transistor is NPN and COM if PNP to the emiter terminal of the transistor to be tested With this connecttion the tester needle responds indicating the lc lg hFE value on blue hFE scale Battery replacement 1 If OQ adjustment is impos sible in X1Q range the two internal 1 5V R6 bat teries have worn out Replace them with fresh ones If OQ adjustment is impos sible only in X10kQ range replace the internal 9V 6F22 battery with a new one To replace the batteries open the rear case after re moval of the screw 4mm dia x 12mm and insert them into the battery com partment correctly taking note of their polarities Fuse replacement poo en ees a ES Spare Fuse gy 6F22 Fig 16 1 The internal fuse is blown if power voltage is inadvertently applied to the tester with the range selector knob left set to current ranges especially to 0 25A range or to X1Q range When the fuse is blown the tester fails to work Replace it with the spare fuse 5mm dia X 20mm 500mA 250V 2 Refer to Fig 16 for its position e AFTER SALE SERVICE 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 wor
43. ndicator pointer will automatically move to around the center and becomes a O centering meter NULL meter 5 When the indicator pointer moves to around the center 0 line align the pointer exactly to the zero line with 0 centering meter NULL meter adjusting knob See Fig 5 6 The tester performs DCV measurement as 0 centering meter NULL meter 7 Set the range selector switch knob to other range posi tions after finishing measurement Caution If the indicator pointer fails to reach the center O line even after OQ AN ADJ knob is turned replace the internal 9V battery with a new one Fig 5 Measuring DCmA 1 Used ranges DCmA 50uA 2 5mA 25mA 0 25A 2 Measuring terminals and COM as a rule plug the red test lead into terminal and the black test lead into COM terminal 3 Indicator scale DCV A scale is used Refer to Fig 6 for readings Multiplying Reading Range factor range 2 5mA by 0 01 0 2 5mA 25mA by 0 1 0 25mA 0 254 by 0 001 a 250mA Direct reading 0 250mA Fig 6 DCmA scale and way of readings 50 A Direct reading 0 50zA 4 Set the range selector switch knob to DCV 0 1 range position common to 50NA range for measuring 50wA Set the knob to a necessary position in DCmA ranges for measuring other amperes 5 Connect the tester range in series with measured circuit through load as Fig 1 Be sure not to apply any volt age to DCmA ranges Measu
44. r surface with cloth moistened with soap water containing anti static solvent as a stop gap measure How to Use the Tester Meter scale plate G OIA No Explanations about scales Resistance Q scale 2 Black color DCV A scale and ACV scale 10V or more Black color 0 centering NULL DCV scale Blue color ACV 2 5V AC 2 5V exclusive scale Red color Transistor DC amplification factor hFE scale Blue color 1 5V battery test BATT 1 5V exclusive scale Red Blue color coded Q range terminal to terminal current Ll Scale OS Blue color Q range terminal to terminal voltage EV scale 2 2 2049 bb bel ato n a Black color Decibel dB scale Red color Continuity indicating LED Mirror To obtain most accurate readings the mirror is devised to make operator eyes the indi cator pointer and the indicator pointer reflexed to the mirror put together in line 8 e What should be understood before measurement Difference between voltage and current measurements Fig 1 is a standard measuring way of voltage while Fig 1 a standard measuring way of current Voltage measure ment is to detect the potential difference between two points so the voltage range must be connected in parallel with measured circuit On the other hand current measurement is to check cur rent that is suppl
45. ring ACV 1 Used ranges ACV 2 5 10V 50V 250V 1000V 2 Measuring terminals and COM the operator may disregard color discrimi nation of the test leads 3 Indicator scales ACV and AC 2 5V scales are used Refer to Fig 7 for readings Multiplying Reading Range factor range 250V Direct reading Q 250V 50V Direct reading 0 50V 10V Direct reading Q 10V 1000V by 100 0 1000V zan e This scale is exclusive only for 2 5V so read out indicated values directly RS Fig 7 ACV scale and way of readings 4 Set the range selector switch knob to a necessary range position in ACV ranges and start measurement Abide by General cautions prior to using the tester No 3 especially when measuring ACV 5 Exert caution when measuring a high voltage of 200V or more a Check if the range selector switch knob is set to AC 250V or 1000V range and the test leads are properly connected to and COM terminals b Connect the tester with measured power circuit after turning off POWER switch of the circuit c Do not touch wirings or the tester during measure ment When measurement is finished turn off POWER switch and detach the tester from the circuit Measuring low frequency output dB A ratio of input to output in amplifier and transmission circuits is shown in logarithm because the human ears are proportioned to logarithm sensorially Decibel dB is used as a unit When the load impedance of
46. s set to the range the indicator pointer will automatically point to around the center of the scale If measurement is not performed or the tester is put away it is advisable to set the knob to other ranges Confirm the measuring range well and select a most ap propriate range Select the range selector switch position that is most suitable for measured object before measurement is performed When measuring an unknown value start with the highest range After the first reading reset the switch to lower ranges until an appropriate range nearest to measured object value is selected Take enough care especially when measuring AC power voltage AC 100V or more Plug the test lead pins into the terminal jacks fully and firmly Safety device is adopted in the attached test leads Be sure to plug the test lead pins into the terminal jacks fully and firmly 5 Check the internal fuse If the internal fuse has been blown due to misuse the tester fails to function Refer to page 23 for the ratings of fuse and fuse replacement 6 Exercise caution when the tester is put away Avoid storing the tester for a long time in the place where much shock and vibration are given in the direct rays of the sun or in a high temperature and humidity 7 Avoid wiping the indicator cover surface with dry cloth The cover surface is coated with anti static solvent If anti static effect becomes weakened after a long use of the tester wipe the cove
47. us range setting or beyond the measuring range is hazardous 3 A WARNING Make sure that the coating of the cord of the test lead is not damaged or conductor is not exposed If they are damaged or exposed do not use the tester A WARNING Take care not to cause an overloaded state when measuring voltage or current containing pulsating currents of pulses A CAUTION Make sure that the case is not damaged by dropping If it is damaged or displaced do not use the tester A CAUTION It is highly recommended that the tester be calibrated and inspected at least every 6 months or a year to maintain the accuracy and ensure safety Frontal panel and the name of each part Indicator zero corrector Measuring terminal Indicator pointer Measuring terminal COM Indicator scale Series capacitor terminal Continuity indicating OUTPUT 0 047MF 400V LED CONTINUITY Panel Range selector switch Rear case knob OQ adjusting knob 0 centering meter NULL meter adjusting knob General cautions prior to using the tester Check whether the indicator pointer points exactly to the zero line If the indicator pointer fails to point to the zero line the leftmost scale line turn the indicator zero corrector so that the indicator pointer may point right to the zero line Check NULL meter range An automatic polarity system is adopted in DCV 5V 25V range If the range selector switch knob i
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