3.6. POWER SUPPLY
The instrument is powered by a 9V alkaline battery (type 6LF22, CEI 6LR61, NEDA 1604).
The nominal operating voltage is between 6.5 and 10V
The consumption is 20mA typical and 30mA maximum.
The battery life is 20 hours typical or 1,200 one-minute measurements.
When the green (ON) indicator no longer lights, it is time to replace the battery (see §4.2).
3.7. ENVIRONMENTAL CONDITIONS
The instrument must be used in the following conditions:
% RH
100
90
80
70
60
3
2
50
40
30
20
10
0
-50 -40 -30 -20 -10 0
If the instrument is to be stored or left unused for an extended period, remove the battery from the housing.
For indoor use.
Level of pollution: 2.
Altitude: <2000m.
3.8. CHARACTERISTICS OF CONSTRUCTION
3.8.1. CLAMP
Overall dimensions (L x W x H) without the cable: 231mm x 36mm x 67mm.
Weight: 330g.
Wrapping diameter: 11.8mm.
Length of the cable: 2m.
Index of protection:
IP20 as per IEC 60529 (Ed. 92) with jaws closed
IK04 as per IEC 50102 (Ed. 95)
38
1
10 20 30 40 50 60 70 80 90
.
dc
1: Reference range
2: Operating range
3: Storage range (without battery)
°C
Oscilloscope current probe
Chapter II