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AC75B 

AC Digital Clamp Multimeter 

Users Manual 

 

99 Washington Street 
Melrose, MA 02176 
Fax 781-665-0780 
TestEquipmentDepot.com

 

Summary of Contents for AC75

Page 1: ...AC75B AC Digital Clamp Multimeter Users Manual 99 Washington Street Melrose MA 02176 Fax 781 665 0780 TestEquipmentDepot com ...

Page 2: ...in this Manual 3 Introduction 4 Making Measurements 4 Additional Features 4 Product Maintenance 4 Maintenance 4 Cleaning 4 Troubleshooting 5 Battery Replacement 5 Repair 6 Specifications 7 General Specifications 7 Environmental Specifications 7 Electrical Specifications 7 ...

Page 3: ...e use verify the meter s operation by measuring a known voltage When measuring current turn off circuit power before connecting the meter in the circuit Remember to place the meter in series with the circuit Do not attempt to repair this meter There are no user serviceable parts Use caution when working above 30 V ac rms 42 V peak or 60 V dc Such voltages pose a shock hazard When using the probes ...

Page 4: ...X Dangerous Voltage F Direct Current J Earth Ground B Alternating Current R Audible tone Conforms to relevant Australian standards Canadian Standards Association Canadian and US P Complies with EU directives Application around and removal from HAZARDOUS LIVE conductors is permitted ...

Page 5: ...ng to sleep Press the BACKLIGHT button and then switch the rotary knob to power on the meter Backlight See Figure 12 The AC75B backlight illuminates the entire display for easy measurement viewing in dark work environments The backlight is activated for 60 seconds once the button is pressed HOLD Measurements See Figure 10 The HOLD button allows the meter to capture and continuously display a measu...

Page 6: ...Replace a low battery immediately Battery Replacement To replace the battery 1 Turn the meter off and remove the test leads 2 Loosen the screw and remove the battery door 3 Replace the battery using an alkaline 9 V battery See General Specifications for detailed battery specifications 4 Replace the battery cover and tighten the screw Recycle the battery using approved methods XWWARNING To avoid el...

Page 7: ...l Specifications Indoor Use Calibration One year calibration cycle Operating Temperature 0 C to 30 C at 80 R H 30 C to 40 C at 75 R H 40 C to 50 C at 45 R H Storage Temperature 20 C to 60 C at 0 to 80 R H battery removed P Overvoltage Category IEC 61010 1 CAT III 600 V CAT II 1000 V Pollution Degree 2 EN61010 2 032 CAN CSA C22 2 No 1010 1 92 CAN CSA C22 2 No 1010 1B 92 CAN CSA C22 2 No 1010 2 032 ...

Page 8: ...n Mode Rejection Ratio Normal Mode Rejection Ratio V ac CMRR 60 dB at DC 50 Hz 60 Hz V dc CMRR 100 dB at DC 50 Hz 60 Hz NMRR 50 dB at DC 50 Hz 60 Hz AC Conversion Type Average sensing rms indication Resistance Range Accuracy 2400 0 Ω 1 0 2 dgt 4 000 kΩ 40 00 kΩ 400 0 kΩ 0 7 2 dgt 4 000 MΩ 1 0 2 dgt 140 00 MΩ 1 5 2 dgt Overload Protection 1000 V dc 750 V ac Open Circuit Voltage 1 3 V approx 1 100 d...

Page 9: ...Max Open Current 3 V Overload Protection 1000 V dc 750 V ac Continuity Built in buzzer sounds when resistance is less than approximately 100 Ω Response time is approximately 100 msec DC μA Range Accuracy 400 0 μA 4000 μA 1 0 2 dgt Voltage Burden 5 mV μA Overload Protection 1000 V dc 750 V ac Resolution 100 nA ...

Page 10: ...to 60 Hz 400 0 to 600 0 A 1 9 5 digits 0 0 to 500 0 A Continuous 501 A to 600 0 A 10 minutes maximum followed by 10 minutes cooling period Overload Protection 1000 V dc 750 V ac AC Conversion Type Average sensing rms display Position Error 1 5 of reading Temperature Function Range Accuracy 40 C to 0 1 C 1 4 C C 0 C to 400 0 C 1 3 C 40 F to 32 F 1 8 F 32 F to 750 F 1 6 F F 750 F to 1000 F 1 8 F Ove...

Page 11: ...11 1 Clamp Meter AC75B ...

Page 12: ...12 2 3 Auto Power Off Auto Off Disable 10 min Off On 2 1 AC75B ...

Page 13: ...13 4 5 Disconnect AC75B AC75B ...

Page 14: ...14 6 AC75B AC75B ...

Page 15: ...15 7 8 Disconnect Discharge AC75B AC75B ...

Page 16: ...16 9 10 K Data Hold 392 Press AC75B AC75B AC75B ...

Page 17: ...17 11 12 Back Light 392 I I OK OK OK I I 0 I I Press AC75B AC75B AC75B ...

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