Single-Needle Millvoltmeter (TVT-321)
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Description
Complete technologies of Japanese electrical equipment and assembly with imported components ensure
1. Dual needle, solely and tracing measurement
2. Frequency: 5Hz--1MHz
3. AC Voltage: 300UV--100V, Max. (DC+AC300V).
4. dB measurement: -70dB--+40dB.
5.3600 revolving switch
6.10MΩ Input impedance
7. Internal grounding
8. Observation of interal output.
Measuring range | voltage | 300μ V-100V |
dB | - 70dB to 40dB | |
dBm | - 80to 52dBm (0dB=1Vrms, 0dBm=0.755V) | |
Measuring Mode | Measuring with voltage adjustment | |
Error | < 3% 1KHz | |
Frequency Response | 5Hz-1MHz | ± 10% |
10Hz-500KHz | ± 5% | |
20Hz-200KHz | ± 3% | |
30Hz-100KHz | ± 2% | |
Readout at 1 KHz, as a reference | ||
Input impedance | 10 MΩ ± 5%, 45pF | |
Max. Input Voltage | 500V (DC+AC peak) | 3V TO 100V |
300V (DC+AC peak) | 300uV TO 1V | |
Stability | ± 5% | |
Survival Voltage | Less than 200uV, in 1 mV range, short circuit output | |
Gain | 60dB | |
Cross-talk | Independent | ≤ 80dB connecting 600Ω load |
cosistent | ≤ 50dB connecting 600Ω load | |
Gain | 60dB | |
Output Voltage | 0.1Vms± 20% at full scale(No-load) | |
Output resistance | 600Ω ± 20% 1KHz | |
Distortion | Less than 1% of full scale | |
SNR(Signal to Noise Ratio) | Less than 30dB at 0.3mV range | |
Frequency Response | 5Hz-500 KHz, within± 3% | |
Ambient | 10 - 40 & ordm; C/85%RH | |
Power supply | 220V/110V± 10%, 50Hz/60Hz | |
Dimensions | 239× 140× 200mm | |
Weight | 2.5kg |
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Single-Needle Millvoltmeter (TVT-321)
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