Yokogawa BT200 - Manual (Page 52)

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A-5
IM 01C00A11-01E
• Safety Barriers Parameters (CSA Certified Barriers)
Voc
Ϲ 28V
Isc
Ϲ 143mA
Pmax
Ϲ 889mW
• Intrinsically Safe Apparatus Connected with BT200
(CSA Certified Apparatus)
Vmax
м (Voc of Safety Barrier) +2V
Imax
м (Isc of Safety Barrier) + 22mA
Pmax
м (Pmax of Safety Barrier) + 11mW
Installation
• All wiring shall comply with Canadian Electrical
code Part I and Local Electrical Codes.
• General purpose equipment connected to barrier
must not use or not generate more than 250 Vrms or
Vdc.
• The safety barriers and intrinsically safe apparatus
connected with BT200 must be certified by CSA.
• Associated apparatus manufacturer’s installation
drawing must be followed when installing these
intrinsically safe apparatuses.
• Not a warning label worded:
“SUBSTITUTION OF COMPONENTS MAY
IMPAIR INTRINSIC SAFETY” and “TO PRE-
VENT IGNITION OF A HAZARDOUS ATMO-
SPHERE, BATTERIES MUST ONLY BE
CHANGED IN AN AREA KNOWN TO BE
NONHAZARDOUS” and “USE IN ACCOR-
DANCE WITH INSTRUCTION MANUAL IM
1C0A11-01E”.
• The battery used in BT200 must be as follows.
Manufacture Model Type Voltage
DURACELL MN1500 Alkaline- 1.5 V
(PC1500) manganese
• The instrument modification or parts replacement by
other than authorized representative of Yokogawa
Electric Corporation and Johnson Yokogawa
Corporation is prohibited and will void Canadian
Standard Association Intrinsic Safety Certification.