B-526-10N-E
7
2.1 Operating Conditions for Explosionproof Model
This product is approved as explosionproof. Failure to comply with the following conditions will automatically
nullify this rating.
(1) Do not perform any unauthorized modification to this product.
(2) Before opening the enclosure, if necessary for some reason, ensure safety against hazards associated with
flammable gases present in the atmosphere.
(3) Standard ULTRA register; In case of TIIS explosionproof type used under the ambient temperature of 45
℃
or higher, use a cable resistant to the temperature of 75
℃
or higher.
Smart Type ULTRA register; In case of TIIS explosionproof type used under the ambient temperature of 50
℃
or higher, use a cable resistant to the temperature of 70
℃
or higher.
(4) Intrinsically safe rating remains valid only when no external circuit is connected to this equipment. To use it
rated intrinsically safe, do not connect it to any external circuitry.
(5) Use under ambient temperature conditions below 60
℃
.
(6) Metered fluid temperature must be held below 120
℃
.
Specification (1): Output provided (Product code ends with a code other than 00.)
Register (ex. type)
Conn. terminals
for external wiring
Cable lead-in
*
1
(w/pressure
tight packing)
Ext. wiring
*
4
specs.
External wirings connect across 1 to 2 and 3 to 4.
(Supply voltage: 45VDC max.)
Ext. circuit
Conn. terminals for
*
3
external wiring
General-purpose
electrical instrument
Hazardous area
Nonhazardous area
TEM
1
2
3
4
0.1
µ
F max.
1.0mH max.
Fig. 2.1
Summary of Contents for ULTRA UF-II
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