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AC/DC Current Probes MR417 & MR527
4. SPECIFICATIONS
4.1 REFERENCE CONDITIONS
Quantities of Influence
Reference Conditions
Temperature
73.4 °F ± 9 °F (23 °C ± 5 °C)
Relative humidity
(20 to 75) % RH
Position of the conductor
Centered on the marks on the jaws
Measurement frequency
DC to 65 Hz sine wave
External electrical field
Zero
External DC magnetic field (Earth)
< 40 A/m
External AC magnetic field
Zero
Input impedence
≥ 1 MΩ and ≤ 100 pF
The intrinsic uncertainty is the error defined under the reference conditions. It is
expressed as a percentage of the output signal (R) plus an offset in mV: ±(a % R + b)
4.2 ELECTRICAL SPECIFICATIONS
4.2.1 Electrical Specifications, 1 mV/A Sensitivity
Output impedence: 215 Ω
MR417
Specified
Measurement
Range
(0.5 to 100)
A
ac/dc
(100 to 400)
A
ac/dc
(400 to 500)
A
ac/dc
(500 to 600)
A
dc
Intrinsic
uncertainty
≤ ± (2 % R + 1.5 mV)
≤ ± 2 % R
≤ ± 3 % R
≤ ± 4 % R
MR527
Specified
Measurement
Range
(0.5 to 100)
A
ac/dc
(100 to 800)
A
ac/dc
(800 to 1000)
A
ac/dc
(1000 to 1400)
A
dc
Intrinsic
uncertainty
≤ ± (2% R + 1.5mV) ≤ ± 2.5 % R
≤ ± 4 % R
≤ ± 5 % R
Phase error (45 to 65Hz)
MR417
Specified Measurement Range
(3 to 300) Aac
(300 to 400) Aac
Phase shift
≤ -2.2 °
≤ -1.5 °
MR527
Specified Measurement Range
(3 to 200) Aac
(200 to 1000) Aac
Phase shift
≤ -2 °
≤ -1.5 °
Summary of Contents for MR417
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