Specifications

Measurement Scope

Voltage: 1mV to 300V with 12 ranges
              1mV, 3mV, 10mV, 30mV, 100mV, 300mV
dB:    -80 to +50dB
dBm: -80 to +52dBm 
         (0dBm=1mV, 600Ω)

Measurement Mode

Error

Measurement below 1KHz: within 3% of full scale

Frequency Response

5Hz to 1MHz: +/-10%
10Hz to 500KHz: +/-5%
20Hz to 200KHz: +/-3%
30Hz to 100KHz: +/-2%
With 1KHz readout as reference point

Input Impedance

10MΩ+/-5%, shunt capacitance less than 45pF

Maximum Input Voltage

500V (DC+AC peak value): LV to 300V range
100V (DC+AC peak value): LmV to 300mV range

Stability

Influence resulted from change of 10% power supply voltage is +/-5% of full scale.

Survival Voltage

In 1mV range, less than 200uV when the input end is short-circuited.

Cross Talk

Independent:
≤80dB when one end is connected with a 600Ω load.
Harmonic:
≤50dB when one end is connected with a 600Ω load.

Gain

60dB

Output Voltage

1Vrms +/-20% when in full scale

Output Resistance Distortion

600Ω +/-20% at 1KHz less than 1% for full scale

Signal to Noise Ratio

Over 30dB in 0.3mV range

Frequency Response

5Hz to 500KHz: within +/-3%

Normal Operation
Temperature/Humidity

10ºC to 35ºC/within 85%RH

Power Supply

220V/110V +/-10%; 50Hz/60Hz

Dimensions

128(W) x 190(H) x 239(D) mm