74X Series
Calibration Manual
10
General Specifications
Display: 240 by 200 pixel graphic LCD, 70 x 58 mm.
Power: Internal battery pack: NiCd, 7.2V, 1700 mAh.
Memory Backup: Lithium battery, 5 years typical lifetime.
Dimensions: 130 x 236 x 61 mm (5.1 x 9.3 x 2.4 in.).
Weight: 1.4 kg (3 lb. 1 oz.).
Altitude: Up to 2800 meters (9186 ft) above mean sea level.
Operating -10 to 50 °C (typically to -20 °C, except for frequency measure and
Temperature: ac voltage measure).
Storage Temperature: -20 to 60 °C
Humidity: Avoid prolonged use outside the safe operating boundaries shown in the
graph on the next page.
RF Fields: Accuracy for all functions is not specified in RF fields >3 V/m
Accuracy for thermocouple measurement is not specified in RF fields >1
V/m
Accuracy for ohms/RTD source is not specified in RF fields >0.5 V/m
Accuracy for mADC measurement is not specified in RF fields >1.5 V/m
Safety: Designed in accordance with CAT II 300 Volts Pollution Degree 2, IEC
1010-1, ANSI/ISA-S82, UL3111, and CSA C22.2 No. 1010.1-92. See
“Safety Information” near the front of this manual.
Warranty: See the WARRANTY, inside front cover of the Users Manual.
100
90
80
70
60
50
40
30
20
10
0
-20 0 20 40 60 80 100 120 140
Temperature (
˚
F)
Temperature (
˚
C)
%RH
-4
-20
0
30 40 50 60
= Normal Operation (-10
˚
C — 50
˚
C)
= Storage (-20
˚
C — 60
˚
C)+
14
-10
gb02f.eps
Figure 1. LCD Operating Environment Specification
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