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4.5 POWER SUPPLY
The instrument is powered by a 9 V battery (type 6LR61, 6LF22, or NEDA 1604).
The average battery life is 50 hours with an alkaline battery.
The instrument can also be powered by an external supply (5 VDC, 100 mA) via the
type B micro-USB connector.
4.6 ENVIRONMENTAL CONDITIONS
The instrument must be used in the following environmental conditions.
% RH
90
80
70
60
50
40
30
20
10
0
-50
-40
1 = Range of reference
2 = Operating range
3 = Storage range
Indoor use
Degree of pollution: 2
Altitude: < 6500 ft (2000 m)
Transport altitude: ≤ 40,000 ft (12,000 m)
28
3
2
-30
-20
-10
0
1
10
20
30
40
AC/DC Current Probes MR417 & MR527
50
60
70
80
°C
°C
90
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