Equipment Maintenance - BizLine BIZ 780 311 Manual De Instrucciones

Replace battery according to following procedures (as shown in Figure 5):
1. Stop measurement and disconnect two test pens from the object measured;
2. Screw out screws securing battery caver with screwdriver;
3. Remove battery caver;
4. Take out the battery to be replaced;
5. lnstall new battery according to the battery symbol and direction indicated on panel; and
6. lnsert battery caver and secure it with screws.
Figure 5
Note: For environmental protection, batteries may be collected and recycled at fixed collection point while
disposing the disposable battery or accumulator containing hazardous waste.
Please follow the local valid recycling regulations and dispose of the batteries replaced as per disposal
rules for old battery and accumulator.

13. Equipment maintenance

No special maintenance requirement is provided unless tester should be used as per manual instruction
and, in case of any functional abnormality during normal operation, stop using immediately and contact the
nearest authorized service center.
14. Equipment cleaning
Before cleaning, disconnect tester from the circuit being tested. If the instrument gets dirty during normal
use, wipe it with wet cloth or small quantity of gentle household cleanser instead of acid cleanser or solvent.
Do not use the tester within 5h after cleaning.
15. Technical indicator
Function
LCD segment (AC/DC)
LED (AC/DC)
Voltage indication (V)
Phase rotation test (three-phase voltage)
On-off test
RCD test
Polarity measurement
Self-check
Detection without battery
6V
12V
24V
50V
120V
230V
400V
690V
Voltage range: 57V-400V
Frequency: 50Hz-60Hz
Resistance range: 0- 100KΩ Buzzing and LED illumination
Voltage range: 230V Frequency: 50Hz-400Hz
Positive and negative pole
All LED illuminated or LCD full-display
Range: 50VAC~ 690VAC 120VDC~ 690VDC
EN
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