Dongguan Longwei Electronic Technology Co., Ltd.: Dongguan, Guangdong, China; Main products: Dc power supply, oscilloscope, switching power supply, function generator, digital power supply

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single Millivoltmeter 300V,single needle analog output,measured votlage from 1mV-300V in 12 step

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Product Details

Place of Origin	Guangdong, China		Brand Name	LONGWEI
Model Number	TVT-321

Advance circuit design with imported components ensure minimum accuracy deviation Signal needle

Frequency:5Hz-1MHz

AC Voltage:1mV-300V,max.(DC+AC 500V)

dB measurement: -80dB~50 dB

Measuring with voltage adjustment

360^o rotation rnob

10MΩ input impedance

Specifications:

Specification MVT-171 Signal-needle Millivoltmeter
Measuring range	Voltage: 1mV~300V in 12 steps dB: -80 ~+50dB dBm:-80~+52dB (0dBm=1mV,600Ω)
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):1V~300V 100V(DC+AC peak):1mV~300mV
Stability	±5% of full scale, at 10 variety of line voltage
Survival Voltage	Less than 200uV at 1mV range and short-circuit of input
Cross-talk	Independent:≤80dB connecting 600Ω load consistent:≤50dB connecting 600Ω load
Gain	60dB
Output Voltage	1Vms ±20% at full scale
Output Voltage	600Ω ±20% at 1KHz
Distortion	Less than 1% at dull scale
Signal to Noise Ratio	More than 30dB at 0.3mV range
Frequency Response	5Hz-500KHz:within ±3%
Ambient	10°C~40°C/85%RH
Power supply	220V/110V ±10%;50/60Hz
Dimension	128(W)×190(H)×239(D)mm
Weight	3Kg

Dongguan Longwei Electronic Technology Co., Ltd.: Contact nameEdison Huang
Chat Now; Phone86-0769-82033998; Address2/F, No.45, Duozai Ling,Lin Village,Tangxia Town, Dongguan Guangdong, Dongguan, Guangdong

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