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Danisense DQ640ID-B Zero Flux Current Transducer
Danisense DQ640ID-B Zero Flux Current Transducer

Danisense DQ640ID-B


Danisense DQ640ID-B Zero Flux Current Transducer

DC : 640A

Price: £1,061.00 (1,273.20 inc VAT)

Availability: Usually Ships in 1 to 2 Weeks
Product Code: DQ640ID-B

Description DataSheet / Video
Danisense DQ640ID-B is a current transducer targeting stable power supplies and other areas, where it is important to have the programming flexibility.

  • Stable power supplies
  • MRI gradient amplifiers
  • Reference transducer for calibration purposes
Specification Highlights Symbol Unit Min Max Comment
Primary Current Ip A -640 640
Secondary Current Is mA -1000 1000
Measuring Resistance Ω 0 1
Supply Voltage V ±14.25 ±15.75
Linearity Error ƐLin uA -3 3
Offset Current IOffset uA -10 +10 Including earth field. Measured on secondary current.
Turns Ratio Turns
1:40 1:640 Step 20
Noise uA rms


Measured on secondary current
Primary Current Overload kA
4.5 Maximum pulse length 100ms
Positive Supply Current Ips mA
105 Add Is ..
if Is is positive
Positive Supply Current Ins mA 96 Add Is ..
If Is is negative
Re-Injected Noise Onto Primary Busbar Un uV rms 5
Zero Flux Frequency kHz
Offset Stability Over Time uA/Year 0.4 Measured on secondary current
Offset Change With External
Magnetic Field Vertical
uA/mT 2.4 Magnetic field perpendicular to busbar
Offset Change With External
Magnetic Field Horizontal
uA/mT 6
Offset Change With Power
Supply Voltage Changes Voltage
uA/V 0.12
Offset Change With Difference Between
Positive And Negative
Power Supply Voltage (absolute)
  • Closed loop compensated current transducer
  • Zero flux technology for extreme accuracy
  • Industry standard DSUB 9 pin connection
  • Green diode for normal operation indication
  • Aluminium body for shielding against EMI
  • Linearity error 3uA
  • Maximum offset is 10uA
  • Operating temperature range 0°C to 55°C
  • Turns ratio from 1:40 to 1:640
  • Maximum compensation current 1A
  • Maximum measurement resistor 1Ω
  • 100-turn test winding (100mA max)
  • Aperture size 28.1mm

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