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TVT-322 двухканальный milivoltmeter двойной иглой милливольтметр новый дизайн высокое качество лазерный указатель напряжения измерительные

TVT-322 двухканальный milivoltmeter двойной иглой милливольтметр новый дизайн высокое качество лазерный указатель напряжения измерительные

Цена:58,99 $ - 60,99 $*

Количество:

Product Description

Features:

1. Complete technologies of Japanese electrical equipment and assembly with imported components ensure minimum accuracy deviation.

2. Dual 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. 10Mohm input impedance.

8. Internal grounding

9. Observation of internal output.

Specification:

Model	TVT-322
Measuring range	Voltage:300µV-100V in 12 steps dB:-70dB to +40dB dBm:-80 to +52dBm (0dB=1Vrms, 0dBm=0.755V)
Measuring mode	traceable
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 reference
Input impedance	10Mohm:±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 less than 80dB connecting 600ohm load Consistent:less than 50dB connecting 600ohm load

Gain	60dB
Output voltage	0.1Vms±20% ai full scale without load
Output resistance	600ohm±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	239140200mm
weight	About 3Kg