Instruction Manual
D103292X012
C1 Controllers and Transmitters
March 2017
4
Table 1. Specifications (continued)
Ambient Operating Temperature Limits
J
Standard Construction:
-40 to 71
_
C (-40 to 160
_
F)
J
High Temperature Construction:
-18 to 104
_
C
(0 to 220
_
F)
Anti-reset windup (differential pressure relief) and
process pressure gauge options are only available in
the standard construction
If the process temperature is outside the ambient
operating range of the controller, the length of the
capillary tube run from the sensor point to the
controller process input may be adjusted to protect
the controller from the process temperature
Typical Ambient Temperature Operating Influence
Proportional Control only:
$
3.0% of output span for each 28
_
C (50
_
F) change in
temperature between -40 and 71
_
C (-40 and 160
_
F)
for a controller set at 100% proportional band
Proportional-Plus-Reset Control:
$
2.0% of output span for each 28
_
C (50
_
F) change in
temperature between -40 and 71
_
C (-40 and 160
_
F)
for a controller set at 100% proportional band
Transmitters only:
$
3.0% of output span for each 28
_
C (50
_
F) change in
temperature between -40 and 71
_
C (-40 and 160
_
F)
for a transmitter set at 100% span
Hazardous Area Classification
Complies with the requirements of ATEX Group II
Category 2 Gas and Dust
Refer to figure 26 for location of ATEX marking
Approximate Weight
8.2 kg (18 pounds)
Declaration of SEP
Fisher Controls International LLC declares this
product to be in compliance with Article 4 paragraph
3 PED Directive 2014/68/EU. It was designed and
manufactured in accordance with Sound Engineering
Practice (SEP) and cannot bear the CE marking related
to PED compliance.
However, the product
may
bear the CE marking to
indicate compliance with
other
applicable European
Community Directives.
1. The pressure/temperature limits in this document and any applicable standard or code limitation should not be exceeded.
2. Normal m
3
/hr: normal cubic meters per hour (m
3
/hr, 0
_
C and 1.01325 bar, absolute). Scfh: standard cubic feet per hour (ft
3
/hr, 60
_
F and 14.7 psig).
3. To convert from air flow rate to natural gas flow rate multiply by 1.29.
4. An adjustable differential gap (differential gap controllers) is equivalent to an adjustable deadband.
Table 2. Available Configurations
TYPE NUMBER
DESCRIPTION
Bourdon Tube Sensing Element
(Gauge Pressure Only)
Bellows Sensing Element
Gauge Pressure
Differential Pressure
Proportional-only controller
C1P
C1B
C1D
Proportional-plus-reset controller
Without anti-reset windup
With anti-reset windup
- - -
Differential gap controller
- - -
Transmitter
C1D
