9 Annex
780/781 pH/Ion Meter, Manual
137
9.1.6 Safety specifications
Instrument 780/781 Standards fulfilled:
- EN/IEC 61010-1
- UL 61010-1
- CSA-C22.2 No. 61010-1
- protection class III
9.1.7 Electromagnetic compatibility (EMC)
Emission Standards fulfilled:
- EN/IEC 61326-1
- EN/IEC 61000-6-3
- EN 55022 / CISPR 22
Immunity Standards fulfilled:
- EN/IEC 61326-1
- EN/IEC 61000-6-2
- EN/IEC 61000-4-2
- EN/IEC 61000-4-3
- EN/IEC 61000-4-4
- EN/IEC 61000-4-5
- EN/IEC 61000-4-6
9.1.8 Ambient temperature
Nominal working range
Storage
Transport
+5 °C...+45 °C (max. 85% rel. humidity)
–20 °C...+60 °C
–40 °C...+60 °C
9.1.9 Reference conditions
Ambient temperature
Rel. humidity
Warmed-up condition
Validity of data
+25 °C (±3 °C)
≤ 60%
Instrument in operation for at least 30 min
After adjustment
9.1.10 Dimensions
Housing material
Keyboard material
Display cover material
Polybutylene terephthalate (PBT)
Polyester
Glass
Width
Height (without stand)
Height (with stand)
Depth
305 mm
55 mm
410 mm
170 mm
Weight (without stand) 1378 g