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ACR1 environmental conditions
The following environmental conditions comply with (or exceed) BS EN 61010-1:1993.
| Indoor use | IP30 (no protection against water) | 
|---|---|
| Altitude | Up to 2000 m | 
| Operating temperature - ACR1 | +10 °C to +40 °C | 
| Operating temperature - ACC2-3 | 0 °C to +50 °C | 
| Storage temperature | -10 °C to +70 °C | 
| Relative humidity - ACR1 | 80% maximum for temperatures up to +31 °C Linear decrease to 50% at +40 °C | 
| Relative humidity - ACC2-3 | 80% maximum for temperatures up to +31 °C Linear decrease to 50% at +40 °C | 
| Transient voltages | Installation category 2 | 
| Pollution degrees | 2 |