Vidyut Yantra Udyog
Adarsh Nagar, Modinagar, Ghaziabad, Uttar Pradesh
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Power Meter

Pioneers in the industry, we offer microwave power meter from India.

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  • Model AT-211 B is an Automatic Self Balancing Power Meter - 0-18 GHz. It measures RF Power with the help of temperature compensated Thermistor Mount from 1 0;UW to 1 OmW full scale with 1 % accuracy from 10 MHz to 40 GHz (depend upon type of Thermistor Mount)

  • With calibration factor control switch, AT-21 IB normalizes the Power Meter reading to compensate the efficiency of used Thermistor Mount.

  • AT-21 IB has provision for substitution measurements and Power Meter calibration. Output is provided for recorder or Digital Voltmeter readout.



Instrument Type

Model AT-211 B , Digital Power Meter

Power Range

Four Ranges With Full Scale Readings of 1 O^W, 1 00u.W, 1 mW and 1 OmW


± 1 % of fullscale on Milliwatt range And ± 2.5% on Micro Watt Range

Fine Zero

Automatic, operated by Front Panel Switch

Zero Carryover

Less than 0.5% of fullscale when zeroed on most Sensitive Range


1 1 -position Switch normalizes Meter Factor Control Readings to account for Thermister Range


Proportional to indicated Power with output 1 Volt corresponding to fullscale 1 kOhm output Impedance.

Bridge Ouput

(VRF and VCo„p), Direct Connection to Thermistor Bridges: Used in Calibration and Precision power measurement


230v ± 10% AC 50Hz, 10 Watts


20x15x25 Cms

Standard Accessories

(i) Mains Cable - 1 No.

(ii) Spare Fuse - 2 Nos.

(iii) Instruction Manual -1 No.

Optional Accessories

(i) Connecting Cable for Thermistor Mount at AT-211 B is available on extra cost.

(ii) Temperature compensated Thermistor Mount Model: HP-8478B, 10MHz - 18 Ghz (Make Agilient or else) may be supplied.


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Abhishek Jain (Technical Head)
Vidyut Yantra Udyog
Gali No. 2, Gurudwara Road
Adarsh Nagar, Modinagar - 201204
Ghaziabad, Uttar Pradesh, India
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