Dongguan Longwei Electronic Technology Co., Ltd

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Millivoltmeter

millivoltmeter

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Product Details

Specification:

Specifications

TVT-321 single ac voltage meter

Measuring range

Voltage:300µV-100V in 12 steps

dB:-70dB to +40dB

dBm:-80 to +52dBm (0dB=1Vrms, 0dBm=0.755V)

Measuring mode

Measuring with voltage adjustment

Error

Within 3% at 1KHz, full scale

Frequency response

5Hz~1MHz:±10%

10Hz~500KHz::±5%

20Hz~200KHz::±3%

30Hz~100KHz::±2%

Readout at 1KHz as a reference

Input impedance

10MΩ:±5%, 45pF

Max input voltage

500V(DC+AC peak) (within in 3V-100V)

300V(DC+AC peak)( within 300µV-1V)

Stability

±5% of full scale, at 10% variety of line voltage

Survival voltage

Less than 200µV at 1mV range and short-circuit of input

Cross-talk

Independent≦80dB connecting 600Ω load

Consistent:≦50dB connecting 600Ω load

Gain

60dB

Output voltage

0.1Vms±20% ai full scale without load

Output resistance

600Ω±20% at 1KHz

Distortion

Less than 1% at full scale

Signal to noise ratio

More than 30dB at 0.3mV range

Frequency response

5Hz~500KHz: within ±3%

ambient

10℃~40℃ 85% RH

Power supply

220V/110V±10% 50Hz/60Hz

Dimension

239*140*200mm

weight

About 2.5Kg




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