RS PRO ICM 20, Instruction Manual

Page: 9 / 60

9
1-2 Environmental Conditions
Indoor Use.
Calibration :
One year calibration cycle.
Operating temperature :
0°C ~ 30°C (
≦
80% RH)
30°C
~
40°C (
≦
75% RH)
40°C
~
50°C (
≦
45%RH)
Storage temperature :
-20 to +60°C, 0 to 80% RH (batteries not
fitted).
Operating altitude : 2000m (6562 ft)
Overvoltage category :
IEC 61010-1 600V CAT.
Ⅲ
,
CAT.
Ⅲ
equipment is designed to protect
against the transients in the
equipment in fixed installations, such as
distribution panels, feeders
and short branch circuits and
lighting systems in large buildings.
Conductor Size : 27mm diameter.
Pollution degree : 2
EMC : EN 61326-1
Shock vibration :
Sinusoidal vibration per MIL-T-28800E
(5 ~ 55 Hz, 3g maximum).
Dimensions (W x H x D) :
56mm x 180mm x 32mm
Weight : 250g including battery.
Accessories : Battery (installed),
Carrying case and User manual.
1-3 Electrical Specifications
Accuracy is
±
(% r number of
digits) at 23°C
±
5°C < 80%RH.
Temperature coefficient :
0.2 x (Specified accuracy)
/
°C, < 18°C, >
28°C.
AC Current
Function Range Accuracy
A 
(50~60Hz)
0 ~19.99A
±(
3.0% + 0.05 A)
20.00~199.9A
±(
2.0% + 0.5 A)
200~400A
±(
2.0% + 5 A)