12
AC/DC Current Probe Models MR461 and MR561
Influence of Adjacent Conductor:
<10mA/A at 50Hz at 23mm from the probe
Influence of Conductor in Jaw Opening:
0.5% reading (DC to 440Hz)
Battery:
9V alkaline (NEDA 1604A, IEC 6LR61)
Low Battery:
Green LED turns ON when battery voltage
≥
6.5V
Battery Life:
Approx 100H typical
Overload Indication:
Red LED indicates input greater than the selected
range
Auto-Off:
10 minutes (may be disabled at power-up by pressing Zero
button while turning on; green LED blinks three times to indicate that auto-
off is disabled)
3.4.2 MECHANICAL
Operating Temperature Range:
14° to 131°F (-10° to +55°C)
Storage Temperature Range:
-40° to 176°F (-40° to +80°C)
Temperature Influence:
40mA/10K typical
≤
300°ppm/°K or 0.3%/10°K
Operating Relative Humidity:
10° to 35°C: 90% ± 5% RH (without condensation)
40° to 55°C: 70% ± 5% RH (without condensation)
RH Influence:
10-35°C: 90% RH at reference
Temperature:
≤
0.5% (MR461);
≤
0.1% (MR561)
Altitude:
Operating: 0 to 2000m
Non-operating: 0 to 12,000m
Zero Adjustment:
± 10A approx. by increments of 25 to 40mA
Case Protection:
IP30 per IEC 529
Drop Test:
1.0m on 38mm of oak on concrete; test according to IEC 1010
Mechanical Shock:
100G, test per IEC 68-2-27
Vibration:
Test per IEC 68-2-6
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.ca
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