Description

• TVT-322 Dual Channel Milivoltmeter Double Needle Millivoltmeter New Design High Quality Pointer voltage measuring instruments Features: --Dual needle, totally and tracing size --Frequency: 5Hz--1MHz --AC Voltage: 300uV--100V, Max (DC+AC300V) --dB measurement:-70dB--+40dB --3600 revolving switch --10Mohm input impedance --Internal grounding --Observation of internal output Specifications: Measuring differ Voltage:300µV-100V in 12 steps dB:-70dB to +40dB dBm:-80 to +52dBm (0dB=1Vrms, 0dBm=0) Measuring mode traceable Error Within 3% at 1KHz, full scale Frequency reaction 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 complete scale, at 10% style of line voltage Survival voltage Less than 200µV at 1mV differ and short-circuit of input Cross-talk Independent lower than 80dB connecting 600ohm load Consistent:less than 50dB connecting 600ohm load Gain 60dB Output voltage 0±20% ai full scale with out load Output resistance 600ohm±20% at 1KHz Distortion Less than 1% at complete scale Signal to noise ratio More than 30dB at 0 range Frequency reaction 5Hz~500KHz: within ±3% ambient 10C~40C85% RH Power supply 220V/110V±10% 50Hz/60Hz Dimension 239*140*200mm weight About 3Kg

• 
• 
• 
• 
• 

Review