Specifications
Calibration period: one year minimum. Specifications apply at 23° C ± 5° C, < 80% RH
Accuracy = ±(% of reading + number of digits)
Temperature Coefficient = Accuracy X 0.1/° C (-10° C to 18° C; 28° C to 55° C)
General
Do not expose product to moisture or rain. Do not use product in flammable atmosphere.
Operating Temperature: -10° to 50°C.
Humidity: 0°C to 40°C / 80% RH max, 40°C to 50°C / 70% RH max (no condensation).
Storage Temperature: -25° to 60°C / 70% RH max (no condensation).
Display reading rate:
ACV, DCV, Diode, Continuity: Approximately 2.3/second
Frequency Approximately 1/second
Capacitance Approximately 0.03 to 2/second
AC + DC Approximately 0.5 to 1/second
Bargraph reading rate: Approximately 23/second
Battery life: Approximately 600 hours
DC Voltage
Range Resolution
972A 973A
Input Resistance
Accuracy
40 mV
10 µV ± (0.3% + 5) ± (0.3% + 5)
10 MΩ (nominal)
400 mV
100 µV
± (0.2% + 1)
± (0.1% + 1)
4 V 1 mV
11 MΩ (nominal)
40 V 10 mV
10 MΩ (nominal)
400 V 100 mV
1000 V 1 V
± (0.2% + 1)
Normal Mode Rejection Ratio: > 60 dB @ 50 or 60 Hz
Effective Common Mode Rejection Ratio ( 1 kΩ imbalance): > 120 dB @ 50 or 60 Hz
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