Specifications – Hach-Lange SI792 P, SI792x P, SI792x P-FF, SI792x P-PA User Manual User Manual
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Specifications
6
Certification (may not apply to all
sensors. Refer to the control drawing or
listing for certification information for
the sensor that is used)
Note: Hach differential pH/ORP
sensors are not ATEX certified.
si792 P 4–20 mA/HART transmitter:
US:
si792 P
FM listed for:
Class I, Division 2
si792x P; si792x P-FF; si792x P-PA
FM listed for:
Class I, Division 1, Groups A, B, C, D
Class II, Division 1, Groups E, F,
Class III, Division 1
Class I, Zone 0, AEx ia, Group IIC T4
Enclosure: Type 2
Canada:
si792 P CSA certified to:
Class I, Division 2
si792x P CSA certified and
si792x P-FF; si792x P-PA cFMus
certified to:
Class I, Division 1, Groups A, B, C, D
Class I, Division 2, Groups A, B, C, D
Sensor: Class I, Zone 0, Group IIC
Transmitter: Class I, Zone 1, Group IIC
Enclosure: Type 2
EU: si792x P; si792x P-FF;
si792x P-PA
ATEX Certification:
II 2 (1) G EEx ib (ia) IIC T6
EU: CE Marked to:
EMC Directive 2004/108/EC
ATEX Directive 94/9/EC
Enclosure: IP65
Power output for pHD sensor adapter
+3 V/0.5 MA –6 V/0.5 mA (5.0 to 5.2 V,
maximum 640 µA)
Output averaging time constant (HART) 0–120 seconds
Output span allowed
pH: 2.00 to 18.00; mV: 200 to 3000
Storage temperature
–20 to 70 °C (–4 to 158 °F)
Operating temperature
–20 to 55 °C (–4 to 131 °F)
Weight
Approximately 1 kg