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44 ซอยบรมราชชนนี 70 ถนนบรมราชชนนี แขวงศาลาธรรมสพน์ เขตทวีวัฒนา กรุงเทพฯ 10170
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TECHNICAL DATA
SPECIFICATION
Models
C7061A:
C7061F:
Self-checking UV flame detector in standard
housing.
Self- checking UV flame detector in explosion
proof housing. Designed for use with:
Color: Violet.
Mounting flange (with heat block) and faceplate are
separate to provide heat insulation and seal-Off.
C7061F1003:
Meets requirements (explosion-proof): EEx d IIC T6
Construction: cast-aluminum Cover
•
SLATE with R8001S1071 Flame Amplifier Module, or
•
7800-series with R7861 Flame Amplifier
Ambient Operating temperature ratings
C7061A -40°C to +70°C (-40°F to +160°F)
(derate ambient 1°F for every 13°F of aspirator
temperature over 160°F).
C7061F: -20°C to +70°C (-22°F to +160°F)
Storage temperature ratings
•
-51°C to +85°C (-60°F to +185°F)
Voltage and Frequency (applies to shutter)
C7061A1020 115/230 VAC, 50/60
Hz C7061F1003 115/230 VAC, 50/60
Hz
The System operates correctly at a nominal voltage (-15%,
Flame Signal
Measured at the flame signal terminals or via a display.
SLATE: 2.0 to 8.0 Volts
Color: Violet. Mounting flange (with heat block) and
faceplate are separate to provide heat insulation and seal-
Off.
Enclosure
C7061A1020:
Meets IP66 enclosure requirements (indoor, outdoor
protection; rain-tight, dust-tight, hose-directed water).
C7061F1003: IP65 according to DIN 40050
Weight
C7061A1020: 3.3 kg (7.3 Ib)
C7061F1003: 6.3 kg (13.9 Ib)
Mounting and orientation
C7061A: Mounting flange with 1- i n c h NPT internal
threads for attaching to sight pipe, including
1 to 3/4-inch adapter bushing for 3/4-inch mount
C7061F: Mounting f lange with 1-inch NPT internal threads
for attaching to sight pipe.
For allowable mounting positions of model C7061A and F,
see Page 9.
R7861A: 1.25 to 5.0 Volts Wiring Connections
Flame Signal amplifier
R8001S1071 Dynamic Self-Check Ultraviolet Amplifier
Module
R7861A1026, 1034 Dynamic Self-Check Ultraviolet amplifier
(Order separately)
Interchangeability
Models C7061A1020 and C7061F are not interchangeable
with
Shutter frequency
0.2 Hz, nominal. Interrupts the line-of-sight of the detector
about 12 times per minute to provide self-checking. Any
malfunction in the flame detection system results
in a safety shutdown.
Pressure rating of quartz viewing window
C7061A1020: 138 kPa (20 psi) maximum.
C7061F1003: 690 kPa (100 psi) maximum
Dimensions
C7061A1020: see figure 1.
C7061F1003: see figure 2.
Housing
C7061A1020:
Construction: cast-aluminum cover.
C7061A1020:
Terminal block
Threaded lead wire opening in faceplate:
1/2-14 NPSM internal threads for attaching conduit.
One brass cable gland standard with housing.
C7061F1003:
Terminal block:
Terminal block inside the housing, wire clamp type,
removable screws (terminal lugs can be used).
Cable entry holes:
One brass cable gland Ex classification: EEx d IIC, is
standard provided in the housing.
Inner sheath diameter 6 to 12 mm
Outer sheath diameter 8.5 to 16 mm
Tightening torque:
•
cable gland into rear cover plate: 20 Nm
•
cap into cable gland: 3 Nm
Serviceability
Field replaceable viewing window and ultraviolet sensing
tube, coil and shutter assembly.
Maximum cable length
30-50
m between sensor and amplifier, depending on local
conditions (presence of noise, parallel cables, etc.)
Design life
Ultraviolet sensing tube: 40,000 hours continuous operation.
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