Amprobe AC75, User Manual

7 

Specifications 

General Specifications 

Display: 

3 ¾ digit large scale liquid crystal display (LCD) 

Display Count: 

4000 counts 

Measuring Rate: 

1.5 times per second 

Overrange Display: 

0o

 is displayed for 

Ω

 functions. Actual value is shown 

for A, V, and temperature functions. 

Automatic Power Off Tim

e

:

 Approximately 10 minutes after power on 

Low battery indication: 

The 

N

 symbol is displayed when the battery 

voltage drops below the operating level for accurate results. 

Power: 

Single standard 9 V battery, NEDA160A. 

Battery Life: 

200 hours with an alkaline 9 V battery. 

Environmental 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. 1010.2.032-96 

Altitude: 

≤

2000 M (6562 Feet) 

Conductor Size: 

≤

32 mm diameter (1.25 in) 

EMC: 

EN61326-1. 

Shock Vibration

:

Sinusoidal vibration per MIL-PRF-28800F (5 to 55 Hz, 3 g 

maximum) 

Drop Protection

:

 4 foot drop to hardwood on concrete floor 

Electrical Specifications

Accuracy: 

±

(% r number of digits) at 23 °C 

±

5 °C at 

<

80 % R.H. 

Temperature Coefficient:

Add 0.2 x (Specified Accuracy)/

°

C, 

<

.18 °C,    

>

28 °C.