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Dongguan Longwei Electronic Technology Co., Ltd.

AC Voltage, Millivoltmeter, Single-Needle manufacturer / supplier in China, offering Tvt-321 Frequency 5Hz-1MHz Test Voltage AC Single-Needle Millivoltmeter, PS6403D 64V 3A Variable Adjustable Transformer Linear DC Power Supply, PS6402D 64V 2A Variable Transformer Linear DC Power Supply and so on.

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Supplier Homepage Product millivoltmeter Tvt-321 Frequency 5Hz-1MHz Test Voltage AC Single-Needle Millivoltmeter

Tvt-321 Frequency 5Hz-1MHz Test Voltage AC Single-Needle Millivoltmeter

FOB Price: Get Latest Price
Min. Order: 5 Pieces
Port: Yantian, China
Production Capacity: 1000
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: TVT-321
  • Usage: Meter for Industry and Home Use
  • Power Source: DC
  • AC Voltmeter Type: Electrostatic
  • AC Voltage: 300UV~100V
  • Dimension: 239*140*100
  • Trademark: longwei
  • Specification: 3.0kg
  • HS Code: 9001100001
  • Display: Indicator
  • Theory: Electronic Meter
  • DC Voltmeter Type: Electrostatic
  • Customized: Non-Customized
  • Frequency: 5Hz~1MHz
  • Input Voltage: 110V / 220V
  • Transport Package: Cartons
  • Origin: Dongguan, Guangdong
Product Description

TVT321 single-needle millivoltmeter
1. Complete technologies of Japanese electrical equipment and assembly with imported components ensure minimum accuracy deviation.
2. single needle, solely and tracing measurement.
3. Frequency: 5Hz--1MHz.
4. AC Voltage: 300uV--100V, Max. (DC+AC300V).
5. dB measurement:-70dB--+40dB.
6. 3600 revolving switch
7. 10MΩ input impedance.
8.Measuring with voltage adjustment

SpecificationsTVT-321 single Millivoltmeter
Measuring rangeVoltage:300µV-100V in 12 steps
dB:-70dB to +40dB
dBm:-80 to +52dBm (0dB=1Vrms, 0dBm=0.755V)
Measuring modeMeasuring with voltage adjustment
ErrorWithin 3% at 1KHz, full scale
Frequency response5Hz~1MHz:±10%
Readout at 1KHz as a reference
Input impedance10MΩ:±5%, 45pF
Max input voltage500V(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 voltageLess than 200µV at 1mV range and short-circuit of input
Cross-talkIndependent<=80dB connecting 600Ω load
Consistent:<=50dB connecting 600Ω load
Output voltage0.1Vms±20% ai full scale without load
Output resistance600Ω±20% at 1KHz
DistortionLess than 1% at full scale
Signal to noise ratioMore than 30dB at 0.3mV range
Frequency response5Hz~500KHz: within ±3%
ambient10ºC~40ºC 85% RH
Power supply220V/110V±10% 50Hz/60Hz
weightAbout 2.5Kg
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