Specifications - Extech Instruments 381676A User Manual

Specifications
Function
NCV
DC Voltage
Input Impedance: 10M
Overload protection: 200mV range: 250VDC or AC rms; 2V~600V ranges: 600VDC or AC rms
Max. input voltage 600V DC
AC Voltage
Input Impedance: 10M
Overload protection: 200mV range: 250VDC or AC rms; 2V~600V ranges: 600VDC or AC rms
Frequency range 40~400Hz
Response: Average
Max. input voltage 600V DC
DC Current
Overload protection: Fuse (FF400mA/600V)
AC Current
Overload protection: Fuse (FF400mA/600V)
Frequency range: 4~200Hz
Response: Average
Resistance
Open Circuit Voltage: approx. 250mV; Overload protection: 250V DC or AC rms
Continuity
Open Circuit Voltage: approx. 500mV; Overload protection: 250V DC or AC rms
Diode
Forward DC current: approx. 1mA
Reverse DC voltage: approx. 1.5V
Overload protection: 250V DC or AC rms
Logic
Input Impedance: 1M; Overload protection: 250V DC or AC rms
Accuracy Notes: Accuracy specifications consist of two elements:
 (% reading) – This is the accuracy of the measurement circuit
 (+ digits) – This is the accuracy of the analog to digital converter
Accuracy is stated at 18
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Range Resolution Accuracy
50~600V NA
200mV 0.1mV
2.000V 1mV
20V 0.01V
200V 0.1V
600V 1V

200mV 0.1V
2.000V 1mV
20V 0.01V
200V 0.1V
600V 1V

20mA 0.01mA
200mA 0.1mA
20mA 0.01mA
200mA 0.1mA
200 0.1
2k 0.001k
20k 0.01k
200k 0.1k
2M 0.001M
20M 0.01M
If measured resistance is < 50 beeper will sound
0.001V
0~1.5V (Low '0') Green LED ON; 1.5~3.5V Green/Red LEDs OFF; 3.5~5V (High '1') Red LED ON
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C to 28 C (64
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(0.7% reading + 2 digits)
(0.8% reading + 3 digits)
(1.0% reading + 3 digits)
(1.5% reading + 3 digits)
(2.0% reading + 3 digits)
(1.0% of reading + 3 digits)
(1.0% of reading + 1 digit)
(1.0% of reading + 5 digits)
Displays approx. forward‐biased voltage)
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F to 82 F) and less than 75% RH
12 381676A-en-GB_V1.1 08/15
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