CAT III 600V GB4793.1-1995 Infrared Themometer For Digital Clamp
Meter
Safety Instructions
This instrument strictly follow GB/T 13978-92 Generic specification
for Digital Clamp meter, In accordance with
GB4793.1-1995(IEC-61010-1, IEC-61010-2-032)Electronic measuring
instruments safety requirements,Belong to the two class of
pollution,Voltage standard CAT III 600V
Please follow the safety instructions, ensure the safety of the use
of the instrument.
use and protect the item in right condition, the instrument will in
satisfactory service.
Use
1.2.1 Use the correct function and range.
1.2.2 Do not exceed the scope of protection of the range of the
indicating value measurement. Do not exceed the scope of protection
of the range of the indicating value measurement
1.2.3 When measuring circuit, do not touch the test lead tip (metal
parts).
1.2.4 In the measurement, if the measured voltage is higher than
60V DC or 30V AC (RMS), attention should be paid to keep your
fingers always after the test finger protection device.
1.2.5 If the voltage between the measuring end and the earth more
than AC 600V, don’t measure the voltage.
1.2.6 Before turning the switch changes the measurement function,
should be removed test test lead from the circuit
1.2.7Don't live line measurement of resistance, capacitance, diode
and continuity test
1.2.8Under the test range off current, resistance, capacitance,
diode and continuity test, it should be taken to avoid the
instrument connected voltage source.
1.2.9 Capacitor is fully discharge, don't test capacitance
1.2.10 Do not use this instrument in the gas, steam or dust
1.2.11If you notice any abnormal or faulty instruments, should stop
using
1.2.12 unless the instrument bottom shell and the battery cover is
fastened in situ; it should not use the instrument.
1.2.13Do not store or use the instrument in direct sunlight, high
temperature, high humidity conditions.
Description
- The instrument is an professional measuring instrument with
liquid crystal display and a back light source. The user readings
in easily. Single hand operation with overload protection and low
battery indicator. For professional, factory, school, lovers or
family use, is an ideal Multi-function instrument.
- Used for AC DC voltage,AC current, frequency, resistance,
capacitance measurement and the on-off circuit, measurement,
temperature measurement .
- Automatic range
- Data keep
- Auto power off
- Relative measurement
Technical indicators
Environment temperature:23±5℃ Relative humidity:<75%
3.2.1 AC Current
| Range | Resolution | Accuracy |
| 6A | 0.001A | ±(3.0% + 20) |
| 60A | 0.01A | ±(2.5% + 8) |
| 400A | 0.1A | ±(2.5% + 10) |
-Min input current:0.02A AC
- Max input:400A AC
- Frequency:45Hz ~65Hz
- When ac current is measured, the meter automatically opens an
internal low-pass filter to filter out high-frequency current.
3.2.2 DC voltage
| Range | Resolution | Accuracy |
| 6V | 0.001V | ±(0.5% + 3) |
| 60V | 0.01V |
| 600V | 0.1V | ±(0.8% + 5) |
- Min/ input voltage:0.5VV DC
- Input impedance:10MW
- Maximum/ input voltage:600V AC (Effective value)OR 600V DC
3.2.4 AC voltage
| Range | Resolution | Accuracy |
| 6V | 0.001V |
±(1.0% + 5) |
| 60V | 0.01V |
| 600V | 0.1V | ±(1.2% + 5) |
- Min/ input voltage:1.0V DC
-Input impedance:10MW
- Maximum/ input voltage:600V AC (Effective value)or 600V DC
- Frequency range:45Hz ~65Hz
3.2.5 Frequency
3.2.5.1 Through the V file:
| Range | Resolution | Accuracy |
| 60.0Hz | 0.1Hz | ±(1.0% + 5) |
| 1000Hz | 1Hz |
- Range:40Hz ~ 1000Hz
- Input range:≥ 0.2A AC(Effective value)
