Parameters

Benchmark condition

Operating condition

Ambient temperature

23℃±5℃

-15℃～50℃

environment humidity

40%～60%

＜70%

Sine wave distortion

≤1%

≤3%

Signal frequency

50Hz±5Hz

45Hz～65Hz

External electric field, magnetic field

keep away or shielding

Position of the tested wire

The tested wire is in the center of the jaws

Features

High and low voltage current transformer, transformer primary and secondary circuit current, transformation ratio test, polarity, phase judgment

Power supply

DC6V alkaline dry battery LR03 (1.5V AAA × 4) continuous working for 30 hours

Test method

Clamp CT

Primary current test accuracy

Range: 0.0A ～ 800A; Resolution: 0.1A; Accuracy: ± 0.5% FS

Secondary current test accuracy

Range: 0.00mA ～ 5A; Resolution: 0.01mA; Accuracy: ± 0.5% FS

Variable ratio measurement range

1～500

Variable resolution

0.1

Primary current clamp size

Jaw size: φ48mm; overall size: 76mm × 255mm × 31mm

Secondary current clamp size

Jaw size: φ8mm; overall size: 137mm × 40mm × 19.5mm

Shift

Fully automatic shift

Sampling rate

3 times / sec

data storage

3000 groups, press the left arrow key to keep the data and automatically store the number (the data will not be lost if the power is lost or the battery is replaced)

Data retention

Press the left arrow key to hold the data, the HOLD symbol is displayed, then press the HOLD key to cancel

Data review

Press the right arrow key to enter the data review mode

Overflow display

Overrange overflow function: "OL" symbol display

No signal indication

When the host does not receive the transmission signal, it prompts "no signal"

Automatic shut-down

Approximately 15 minutes after starting up, the meter will automatically shut down

Battery voltage

When the battery voltage is lower than 4.8V, "          " is displayed, reminding to replace the battery

Transmission distance of primary current clamp

Wireless transmission distance 100M

Length of secondary current clamp connection wire

2m

Display mode

LCD: 128dots × 64dots; backlight function, suitable for dark places

LCD size

Display field: 44mm × 27mm

Host size

78mm × 165mm × 42mm

Instrument quality

5kg (including tool bag and insulating rod)

Outside interference

Avoid extra-strong electromagnetic fields; avoid 433MHz and 315MHz co-channel interference

Working temperature and humidity

-15 ℃ ～ 50 ℃; below 70% Rh

Storage temperature and humidity

-10 ℃ ～ 60 ℃; below 70% Rh

Insulation rod size

φ32mm, 1m / section, 5 sections

Insulation rod withstand voltage

110kV

Dielectric strength

Host and tester: AC1000V / rms (between housing and screw)