User Manual

Power Adapter
Power supply 100-240 V AC 50/60Hz
Power output 8.5 VDC
Current output 1500 mA
Battery:7.4V built-in Li-ion Battery
Working environment
Temperature
Operation
Used battery 0 to 50 °C(32 to 122 °F)
Power adapter 0 to 40 °C(32 to 104 °F)
Storage. -20 to +60 °C(-4 to +140 °F)
Temperature
Operation:
0 to 10 °C(32 to 50 °F) no condensation
10 to 30 °C(50 to 86 °F) 95 %
30 to 40 °C(86 to 104 °F) 75 %
40 to 50 °C(104 to 122 °F) 45 %
storage
-20 to +60 °C(-4 to +140 °F). no condensation
10.2 Appendix B: Maintenance and Cleaning
10.2.1 Common Maintenance
Do not store or place the instrument in locations where the liquid crystal display (LCD) may be directly
exposed to the sunshine for a long time.
Be careful: Do not make spraying agent, liquid and solvent touch with probes to avoid the instrument or
probe being damaged.
Cleaning
Inspect the instrument and the probe frequently in accordance with operating conditions. Clean the outer
surface of the instrument according to the following steps:
1. Wipe off the floating dust outside of the instrument and the probe by using soft cloth. When cleaning the
LCD, do not scuff the transparent LCD protective screen.
2. Wipe the instrument in power off status by soft cloth that is moist but not dripping. It is allowed to be
cleaned by soft detergent or fresh water. Do not use any abrasive chemical detergent to avoid the
instrument or the probe being damaged.
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