AEM 3945-B Manual

A SERVICE OF

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Power Quality Analyzer Model 3945-B

21

Factors affecting accuracy (% of the output signal)

Conditions Range Error

Ambient temperature 14°to131°F(-10°to55°C)

≤200 ppm/K or

0.2% per 10K

Relative humidity 10° to 35°C 85% < 0.2%

Frequency response 40Hz to 3kHz

40Hzto1kHz:<0.7%

1to3kHz:<2%

Positions of the cable in the jaws

– <0.5% to 50/60Hz

Adjacent conductor carrying a

60Hz AC current

Conductor in contact with

the sensor

≤15mA/A

3.9 AC Current Probe AmpFlex

®

Probe

(3945-B accuracy included)

NOTE: When installing probes, face the arrow on the probe in the direction of

the load.

Nominal Range: 3000AAC

Measurement Range: 10A to 6500AACmax

NOTE: Currents below 9A will be displayed as zero with this probe.

Probe Output Signal: 140mVAC/3000AAC at 50Hz

NOTE: Output is proportional to the amplitude and frequency of the measured current.

Sensor: Length=24"(610mm);Ø=7.64"(190mm)

 Length=36"(910mm);Ø=11.46"(290mm)

Safety: EN 61010-1 and 2, Pollution Degree 2, 600V Cat. IV, 1000V Cat. III,

Reference Conditions:

Ambient temperature 64to82°F(18to28°C)

Humidity 20 to 75% of RH

Position of conductor in the sensor

Centered

Continuousmagneticeld <40A/m(earth’smagneticeld)

Externalalternativemagneticeld None present

Externalelectriceld None present

Frequency 10 to 100Hz

Type of signal measured

Sinusoidal