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Honeywell C7076D Product Data page 5

Adjustable sensitivity ultraviolet flame detectors
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2-1/4
1 INCH NPT
2-1/4
(57)
4-25/32 (122)
1
POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
5/16-18 UNC (3 PLCS)
X 0.47 (12) DEEP
6-23/32
(171)
1-31/32 (50)
3-15/16 (100)
1. Ultraviolet sources:
a. Radiant surfaces above 2200°F (1200°C).
b. Sparks from ignition transformers and welding arcs.
c. Gas lasers.
d. Sun lamps.
e. Germicidal lamps.
f.
Incandescent lamps held close to the sensing tube
(filament above 2200°F [1200°C]).
2. Gamma ray and X-Ray sources:
a. Diffraction analyzers.
b. Electron microscopes.
c. Radiographic x-ray machines.
d. High voltage vacuum switches.
C7076A,D ADJUSTABLE SENSITIVITY ULTRAVIOLET FLAME DETECTORS
(57)
1-1/16
(27)
4
(102)
4 (102)
1
3/8 INCH NPT
15/16
(24)
25/32 (20)
1-9/16 (40)
Fig. 2. C7076 dimensions in in. (mm).
2-9/32
(58)
3/4 (19)
1-5/8
(19)
2-21/32
(68)
C7076A
7-13/16 (198)
11-13/16 (300)
C7076D
e. High voltage condensers.
f.
Radioisotopes.
Except under very unusual circumstances, none of these
sources, except a radiant surface or ignition spark, would be
present in or near the combustion chamber.
The detector may respond to a radiant surface at a
temperature above 2200°F (1200°C) if both of these
conditions are present:
• The detector sensitivity control is set at (or near) maximum,
and
5
7-13/32 (188)
10-1/4 (261)
29/32 (22) OPENING FOR
1/2-INCH CONDUIT
1 (25)
7-19/32
(194)
1
5-25/32
(147)
1-27/32
5-25/32 (147)
(47)
M20749A
95-8269—1

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