Tunkia TM7900 Precision Volt-second Generator for Flux Meter Calibration

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Tunkia TM7900 Precision Volt-second Generator for Flux Meter Calibration

TM7900 is a high-precision Calibrator for Flux Meter , which generates magnetic flux by a built-in high-precision Volt-second Generator (1Vs=1Wb). It calibrates flux-meters by comparing indicating value of the flux-meter with the value it generates. Compared with Mutual Inductance method, Volt-second method is featured with easier to use, better precision and traceability, it is applied for calibrate digital flux-meter and electrical integrator.

Product Description

Tunkia TM7900 Precision Volt-second Generator for Flux Meter Calibration

TM7900 is a high-precision Calibrator for Flux Meter , which generates magnetic flux by a built-in high-precision Volt-second Generator (1Vs=1Wb). It calibrates flux-meters by comparing indicating value of the flux-meter with the value it generates. Compared with Mutual Inductance method, Volt-second method is featured with easier to use, better precision and traceability, it is applied for calibrate digital flux-meter and electrical integrator.

Features Tunkia TM7900 Precision Volt-second Generator for Flux Meter Calibration

  • Accuracy: 0.005%, 0.01%, 0.02% or 0.05%.
  • Built-in high-precision voltage source and timer.
  • Generate magnetic flux by integrating voltage and time.
  • Calculate and output voltage and time by setting magnetic flux value.
  • Quick calibration in several seconds.
  • Unit switch: mWb, Wb, Vs, mVs, Mx.
  • Support setting interior resistance and wire resistance.
  • Eliminate interior resistance’s influence by compensation.
  • Large LCD screen and press-key.

Specifications Tunkia TM7900 Precision Volt-second Generator for Flux Meter Calibration

DCV Output
Range Accuracy

± (ppm of reading + ppm of range) [1]

0.05 % 0.02 % 0.01 % 0.005 %
2 mV 200 + 200 100 + 100 50 + 100 20 + 100
20 mV 200 + 200 100 + 50 50 + 30 20 + 10
200 mV 200 + 200 100 + 50 50 + 30 20 + 10
2V 200 + 200 100 + 50 50 + 30 20 + 10
Note [1] : (ppm = parts per million) (e.g., 10ppm = 0.001%).

• Regulating fineness: 0.005*Range, 0.001%*Range (0.005 %).

• Protective function: Short-circuit protection, Overload protection.

Adjustable Timer
Time output Measurement Uncertainty (k=2), μs
0.05 % 0.05 % 0.05 % 0.05 %
0.1 s 0.5 0.5 0.2 0.2
0.5 s 0.5 0.5 0.2 0.2
1 s 0.5 0.5 0.2 0.2
5 s 0.5 0.5 0.2 0.2

• Pulse width output range: 0.1s ~ 5s

Standard Flux Output
Range Measurement Uncertainty (k=2), ppm*RD + μWb
0.05 % 0.05 % 0.05 % 0.05 %
Combination of voltage and time 500 +0.1 200 +0.1 100 +0.1 50 +0.1

• Flux output range: 0.1mWb ~10Wb, 7-dights display.

General Specifications
Power Supply AC (220±22) V,(50±2) Hz
Temperature Performance Operating temperature: 0°C~50℃;

Storage temperature: -20°C~70°C

Humidity Performance Operating humidity: 40%~80% R·H, no condensation

Storage humidity : < 95% R·H, no condensation

Weight About 4 kg
Communication Interface RS232 interface

 

 

Tunkia TM7900 – Datasheet


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Additional Information

Brand

Tunkia

Model

TM7900

Made In

China

Weight

5 kg

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