Hach sc200 Manual De Conformidad Del Instrumento página 3

Specifications
Specifications are subject to change without notice.
Certification
Operating temperature
Storage temperature
Precautions for hazardous location installation
D A N G E R
Only qualified personnel should conduct the installation tasks described in this
section of the manual. This equipment is suitable for use in Class 1, Division 2,
Groups A, B, C & D Hazardous Locations with specified sensors and options
appropriately certified and rated for Class I, Division 2, Group A, B, C & D , Zone
2, Group IIC Hazardous Locations. Always refer to applicable electrical code
regulations for proper installation. Wiring methods must be in accordance with
NEC, ANSI/NFPA 70 Article 501 or CEC C22.1-94 section 18 & ANSI/ISA
TR12.06.01 & RP 12.06.XX.
D A N G E R
Explosion hazard. Substitution of components may impair suitability
for Class 1, Division 2. Do not replace any component unless power
has been switched off and the area is known to be non-hazardous.
Listed for use in Class 1, Division 2,
Group A, B, C & D, Zone 2, Group IIC
hazardous locations to FM and CSA
safety standards by ETL (with
appropriately rated Class 1, Division 2 or
Zone 2 sensors)
-20 to 60 ºC (-4 to 140 ºF); 95% relative
humidity, non-condensing with sensor/
network card load <7 W; -20 to 40 ºC (-4
to 104 ºF) with sensor/network card load
<25 W
-20 to 70 ºC (-4 to 158 ºF); 95% relative
humidity, non-condensing
Wiring for power
D A N G E R
Explosion hazard. Do not connect or disconnect electrical
components or circuits to the equipment unless power has been
switched off or the area is known to be non-hazardous.
Connecting alarms and relays
D A N G E R
Explosion hazard. Do not connect or disconnect electrical
components or circuits to the equipment unless power has been
switched off or the area is known to be non-hazardous.
Connecting analog and digital outputs
D A N G E R
Explosion hazard. Do not connect or disconnect electrical
components or circuits to the equipment unless power has been
switched off or the area is known to be non-hazardous.
D A N G E R
Never connect any sensor or digital or analog module to a sc200 that is not clearly
marked as certified for Class 1, Division 2 Hazardous Locations.
Connecting sc sensors
D A N G E R
Explosion hazard. Do not connect or disconnect electrical
components or circuits to the equipment unless power has been
switched off or the area is known to be non-hazardous.
D A N G E R
Never connect any sensor or digital or analog module to a sc200 that is not clearly
marked as certified for Class 1, Division 2 Hazardous Locations.
When a quick-connect fitting is used to attach a sensor to the controller, a
connector safety lock must be installed.
English 3