Crown CT44051 [5/35] Operation instruction

English

A range, fuse: FF 10A/250V

*Conversion rate: about 3s/second

*Display:1999counts LED display

*Over range display: ‘OL’ displayed

*Low voltage display of baery: displayed when the working voltage is low

*Input polarity indicator: shown automacally

*Baery:3 X1.5V AAA

*Size: 147mm (L)*71mm (W)*45mm (H)

*Weight: about 220g (baery excluded)

Accuracy index

Accuracy:±（%reading+digit）,one year warranty from the manufacture date

Condions: surroundings temp

erature from 18℃ to 28℃，＜80%RH

Direct current of voltage

Input resistance: 1MΩ

Maximum input voltage：600V

Alternative current of voltage

input resistance: 1MΩ

Maximum input voltage：600V

Frequency response: 40HZ to 400HZ

Resistance

Overload protecon:250V

Open circuit voltage: 2.4V

Diode and Buzzer

Overload protecon:250V

Transistor

Direct current

Overload protecon: mA range with F 200mA/250V and 20A range with F10/250V

When the current is more than 5 A, the test me should be less than 10 mints and one min

should be given to stop tesng aer such measurement.

Operation instruction

Regular operation

Short press the buon and enter into ‘HOLD’ mode.

The reading hold mode can keep the current reading on the display, change the measurement

funcon posion or press and hold the key again to exit the data hold mode.

Backlit and the illumination function

The meter has backlit and illuminaon funcon for users’ convenient reading of measuring

results in the dark situaons. To enter and exit this mode，please operate as below:

1. Short press key to turn on backlight and short press again to exit. It turns oﬀ

automacally with no operaon for 15S.