Specifications
Calibration period: one year minimum. Specifications apply at 23
°
C
±
5
°
C, < 80% RH
Accuracy =
±
(% of r 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
µ
V
±
(0.3% + 5)
±
(0.3% + 5)
10 M
Ω
(nominal)
400 mV
100
µ
V
±
(0.2% + 1)
±
(0.1% + 1)
4 V
1 mV
11 M
Ω
(nominal)
40 V
10 mV
10 M
Ω
(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 k
Ω
imbalance): > 120 dB @ 50 or 60 Hz
1 - 17
Summary of Contents for 972a
Page 2: ...972A 973A ...