User Manuals - Fieldpiece Instruments
Contents
1. YF G4 7AB SPECIFICATIONS Display 3 digit liquid crystal display LCD with a maxi mum reading of 3999 Range Manual ranging mode SC44 amp SC45 hold button for 2 seconds to return to autoranging mode Overrange OL or OL mark indication Auto power off 10 minutes Operating environment 32 to 122 F 0 to 50 C at lt 70 R H Storage temperature 4 to 140 F 20 to 60 C lt 80 R H with batteries removed Accuracy Specifications good in ambient conditions of 74 F 8 F 23 C 4 C lt 75 relative humidity Temperature coefficient 0 1x specified accuracy per FI C 32 to 66 F 0 to 19 C 82 to 122 F 28 to 50 C Altitude 6561 7 feet 2000m Power Two AAA 1 5V batteries Battery life 400 hours typical with alkaline SC44 300 hours typical with alkaline SC45 200 hours typical with alkaline SC46 Accessories One pair test leads 2 1 5V AAA batteries installed carrying case and operating instructions Safety Designed to meet IEC61010 1 EN61010 1 and IEC61010 2 032 EN61010 2 032 CATIII 300V class II and pollution degree 2 indoor use comply with CE C tick certified Temperature SC45 and SC46 Range 30 to 400 F 34 to 204 C Resolution 0 1 Accuracy 1 F 32 to 120 F 0 5 C 0 to 49 C 1 1 5 F 4 to 400 F 1 1 C 20 to 204 C 2 4 F 30 to 4 F 2 2 C 34 to 20 C Sensor type K type thermocouple Capacitanc2. AUTO RANGING DIGITAL CLAMP METERS SC44 SC45 SC46 CLAMP CAT III Fieldpiece SC46 Auto Off en True RMS QOFF Aac MFD Vac 400 FC KMC Amv UNPLUG TEST LEADS w A MAX TYPEK CAT III 600V _ waren Fieldpiece oe OPERATORS MANUAL Using the best range Autoranging meters automatically select the range that gives you the best resolution For example when measuring 24VAC the meter will select the 40VAC range and display 24 0 In the 400Vrange you d see 24 and in the 4V range you d see OL for over load When an n nano m micro m milli K or M shows up in the display you must multiply by 10 9 10 6 10 3 103 and 106 respectively You can manually select the range by pressing the O button until you get the range you want This can keep the decimal from bouncing around when meas uring a parameter that varies from just a little below the top of the range to a little over Backlight SC46 The SC46 has a backlight that allows the user to read the display in any lighting conditions Make sure the area being tested is well lit The backlight comes on when the button is depressed and stays on for 60sec before turning off to conserve battery life Symbols used Caution risk of electric shock Caution refer to manual H S amp Ground Double insulation m Description The mini clamp on meters are made for the tech nician who is looking f
3. C46 Plug any K type thermocouple directly into the meter to measure temperature Temperature meas urement will be accurate even in fast changing envi ronments because of excellent temperature compen sation No thermocouple adapter is required Field Temperature calibration SC45 amp SC46 For accuracies of 1 calibrate to a known tem perature A glass of stabilized ice water is very close to 32 F 0 C and is usually very convenient but any known temperature can be used Select 400 F C range and connect thermocouple 2 Remove back case 2 screws on back one near clamp other near base Leave battery cover attached so batteries stay within back case 3 Stabilize a large cup of ice water 4 Immerse the thermocouple tip and let it stabilize 5 To change the temperature scale to C close the jumper just below VR5 6 Adjust VR5 calibration pot with a small screwdriver to get within 0 1 of 32 F 0 C Each 1 4 turn should adjust the tempera ture about 3 no more than 10 total There s no need rotating the screw more than 360 doing so gets you back to where you started 7 Attach case without screws to preview the tem perature and continue until you have it dialed in Disable auto off Set to OFF position press and hold sc44 and SC45 or SC46 button while turning rotary dial to desired range position Release the button when LCD displays normally Note APO annunciator will be m
4. e SC45 and SC46 Range 4uF 40uF 400uF 4mF 4 000mF 4000F Resolution 1 0nF Accuracy 3 rdg 10 dgts on 4uF 3 rdg 5 dgts on 40uF to 400uF 5 rdg 20 dgts on 4mF 4000uF Minimum input range gt 100nF Resistance Safety dsc symbol on LCD indicates that the capacitor must be discharged before testing DC volts Ranges 400mV except SC46 4V 40V 400V 600V Resolution 0 1mV 1mV for SC46 Accuracy 0 5 rdg 2 dgt Input impedance 400mV gt 100MQ 4V 10MQ 40V 600V 9 1MQ Transient protection 6kV for 10u sec AC volts 50Hz 500Hz True RMS SC46 only Crest factor lt 3 Ranges 4V 40V 400V 600V Resolution 1mV Accuracy SC44 SC45 1 2 rdg 5 dgts 1 5 rdg 5 dgts on 600V range Accuracy SC46 1 2 rdg 8 dgts 1 5 rdg 8 dgts on 600V range Input impedance 4V 10MQ 40V 600V 9 1MQ Resistance Ranges 4009 4kQ 40kQ 400k 4MQ 40MQ SC45 and SC46 only have a 4002 range Resolution 0 1Q 19 for SC45 SC46 Accuracy 1 0 rdg 4 dgts on 4002 to 400kQ ranges 1 5 rdg 4 dgts on 4MQ range 3 0 rdg 5 dgts on 40MQ range Open circuit volts 0 45VDC typical 1 2VDC on 400Q range AC Current 50Hz 60Hz True RMS SC46 only Crest factor lt 3 Ranges 40A 400A Resolution 0 01A Accuracy SC44 SC45 2 0 rdg 6 dgts Accuracy SC46 2 0 rdg 10 dgts Temperature CLAMP CAT III Disconnect test leads from vol
5. he test leads before opening the case Inspect the test leads for damage to the insulation or exposed metal Replace if suspect Never ground yourself when taking electrical meas urements Do not touch exposed metal pipes outlets fixtures etc which might be at ground potential Keep your body isolated from ground by using dry clothing rubber shoes rubber mats or any approved insulating material When disconnecting from a cir cuit disconnect the RED lead first then the com mon lead Work with others Use one hand for test ing Turn off power to the circuit under test before cut ting unsoldering or breaking the circuit Keep your fingers behind the finger guards on the probes Do not measure resistance when circuit is powered Do not apply more than rated voltage between input and ground All voltage tests All voltage ranges will withstand up to 600V Do not apply more than 600VDC or 600VAC rms AC tests Disconnect the meter from the circuit before turning any inductor off including motors transformers and solenoids High voltage transients can damage the meter beyond repair Do not use during electrical storms Maintenance Clean the exterior with clean dry cloth Do not use liquid Battery replacement When the multimeter dis plays DE the battery must be replaced Disconnect and unplug leads turn meter off and remove the battery cover Replace both of the two AAA 1 5V batteries Temperature SC45 and S
6. issing from the display The Auto Power Off mode is on when APO indicated on the display Limited warranty This meter is warranted against defects in materi al or workmanship for one years from date of pur chase Fieldpiece will replace or repair the defective unit at its option subject to verification of the defect This warranty does not apply to defects resulting from abuse neglect accident unauthorized repair alteration or unreasonable use of the instrument Any implied warranties arising from the sale of a Fieldpiece product including but not limited to implied warranties of merchantability and fitness for a particular purpose are limited to the above Fieldpiece shall not be liable for loss of use of the instrument or other incidental or consequential dam ages expenses or economic loss or for any claim of such damage expenses or economic loss State laws vary The above limitations or exclu sions may not apply to you Obtaining service Call Fieldpiece Instruments for one price fix all warranty service pricing Send check or money order for the amount quoted Send the meter freight pre paid to Fieldpiece Instruments Send proof of date and location of purchase for in warranty service The meter will be repaired or replaced at the option of Fieldpiece and returned via least cost transportation Fieldpiece Designed in USA MADE IN TAIWAN www fieldpiece com v14 Voltage
7. or a small low cost meter that has most of the functions he needs day in and day out without some of functions and convenience fea tures available on bigger meters Non contact voltage With the grey tip on the amp clamp head close to an AC voltage press and hold the NCV button The NCV LED will light and the beeper will beep The closer you get to AC voltage the louder the beep The NCV function is sensitive enough to detect 24VAC on thermostats 24V to 600V 50Hz to 60Hz Capacitance SC45 amd SC46 For motor start and motor run capacitors Disconnect the capacitor from power first If the capacitor is connected to the meter and dsc symbol is shown on the LCD it means there is voltage exist ing in the tested capacitor and needs to be dis charged before testing Short the terminals to dis charge the capacitors Disconnect any resistors that might be between the terminals of the capacitor Hold Press HOLD once to keep the latest reading dis played on the meter in the memory Press the HOLD button again to go back to normal mode True RMS SC46 Digital multimeters use two different types of AC sensing The most common is average sensing nor malized to a true RMS value of a sine wave The other is true RMS sensing The actual true RMS value is sensed Either sensing method will give the same results on a clean sine wave but they may dif fer on a non sinusoidal waveform For your safety General Disconnect t
8. tage before plugging in thermocouple Insure the temperature being measured is stable Maintain good contact between the thermocouple and what s being measured Continuity Audible indication Less than 25Q Response time 500ms Diode Test Test current 1 2mA approximate Accuracy 3 0 rdg 3 dgts Resolution 10mV Audible indication Less than 0 25V Open circuit volts 3 0VDC typical Overload Protection SC44 SC45 SC46 Continuity VAC DC Diode Capacitance SC45 and SC46 DISCONNECT AND UNPLUG TEST LEADS before opening case TEST NCV FUNCTION ON KNOWN LIVE WIRE before using DO NOT APPLY VOLTAGE greater than 30VAC or 60VDC to the thermocouple or the jacks when the rotary dial is on OFF REMOVE THE THERMOCOUPLE when taking voltage measurements DISCONNECT THE TEST LEADS when taking temperature measurements DO NOT APPLY VOLTAGE TO THE JACKS when the rotary dial is on microamps Even low voltages can cause a current overload and blow the fuse Replace blown fuse to regain function
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