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OWON HDS1021M Handheld DSO & DMM 10-Appendix
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
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