Technical indicator UT621

Basic functions

range

measure voltage

100μV～300V

Voltage range (12 levels)

1mV； 3mV； 10mV； 30mV； 100mV； 300mV； 1V； 3V；   10V； 30V； 100V；300V。

Decibel range (12 levels)

-60dB； -50dB； -40dB； -30dB； -20dB； -10dB； 0dB；+10dB； +20dB； +30dB； +40dB； +50dB。 (0dBV=1V, 0dBm=0.775V)

Voltage error

±3%（400Hz）

Power frequency error

50Hz  ±4%，20Hz～100kHz  ±7%，10Hz～2MHz  ±15%

Frequency response range

10Hz～2MHz

Frequency response error

(Based on 400Hz) 20Hz-100Hz ± 3%, 10Hz-2MHz ± 8%

Noise voltage

≤ 3% full scale

input impedance

1mV～300mV

Input resistance ≥ 2M Ω, input capacitance ≤ 50pF.

1V～300V

Input resistance ≥ 2M Ω, input capacitance ≤ 20pF.

Monitoring amplifier

Output voltage: 1V ± 5%, frequency response error: 10Hz~2MHz ± 3dB (based on 400Hz).

Overload voltage indication

(1) The peak AC overload voltage for each range from 1mV to 300mV is 100V, and the peak AC overload voltage for each range from 1V to 300V is 660V.

(2) The maximum peak DC voltage and AC overload are 660V.

Two channel isolation

dual-channel

General Characteristics

power supply

220V ± 10%, 50Hz ± 4%, power consumption: approximately 5W

working environment

Temperature: 0 ℃~+40 ℃, humidity ≤ 80%

body color

Ivory white+gray

body weight

2 kg (net weight)

Body dimensions

125×185×270mm

Standard Accessories

2 transmission lines (UT622), 1 transmission line (UT621)

standard packaging

Color box, instruction manual

Standard packaging quantity

6 units

Standard packaging size

650×370×540 mm

Gross weight of standard packaging box

15kg