TUNKIA TM7900 прецизионный Вольт второй генератор цифровой магнитный полевой измеритель потока калибратор

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Product Description


 


TM7900 Precision Volt-second Generator 


For Flux Meter Calibration


TM7900.jpg


 


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


 



  • Accuracy Class: 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.





Application


 












 Fast Calibration of Digital Fluxmeter



TM7900 Precision .png






Specifications


 


4.1 DCV Output















































Range



Accuracy


±(ppm of reading + ppm of range) [1]



Class 0.05



Class 0.02



Class 0.01



Class 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%).



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


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


 


4.2 Adjustable Timer












































Pulse output



Accuracy (±)



Class 0.05



Class 0.05



Class 0.05



Class 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



l Pulse width output range: 0.1s ~ 5s


 


4.3 Standard Flux Output























Range



Accuracy


±(ppm of reading + ppm of range)



Class 0.05



Class 0.05



Class 0.05



Class 0.05



Combination of voltage and time



500 +0.1



200 +0.1



100 +0.1



50 +0.1



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


5. General Specifications

































Power Supply



AC (220±22) V,(50±2) Hz



Temperature Performance



Operating temperature: 0~50;


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



Dimensions



180mm(width) × 270mm (depth) × 230mm (height)



TM7900 Dimensions.png



 





Ordering Information


 TM7900 Information.png


 





Company Information



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