
93
CERTIFICATION
Hach Company certifies this instrument was tested thoroughly,
inspected and found to meet its published specifications when it
was shipped from the factory.
The sens
ion
156™ Multiparameter Meter has been tested and is
certified as indicated to the following instrumentation standards:
Product Safety
External Power Supplies Only:
115 V ac Supply, UL Listed & CSA Certified or
230 V ac Supply, CE Marked per 73/23/EEC, VDE Listed
EMI Immunity
Instrument Tested with the external 230V, 50 Hz Power Supply:
Per 89/336/EEC EMC: EN 61326:1998 (Electrical
Equipment for measurement, control and laboratory use-
EMC requirements) Supporting test records by Hach
Company, certified compliance by Hach Company.
Standards Include
IEC 1000-4-2:1995 (EN 61000-4-2:1995) Electrostatic Discharge
Immunity (Criteria B)
IEC 1000-4-3:1995 (EN 61000-4-3:1996) Radiated RF
Electromagnetic Field Immunity (Criteria B)
IEC 1000-4-4:1995 (EN 61000-4-4:1995) Electrical Fast
Transients/Burst (Criteria B)
IEC 1000-4-5:1995 (EN 61000-4-5:1995) Surge (Criteria B)
IEC 1000-4-6:1996 (EN 61000-4-6:1996) Conducted
Disturbances Induced by RF Fields (Criteria A)
IEC 1000-4-11:1994 (EN 61000-4-11:1994) Voltage Dip/Short
Interruptions (Criteria B)