Installation for 4-1/2 in. (114 mm) dial Temperature MURPHYGAGE® and SWICHGAGE®
Model Series: SPLG, SPLC, SPLBP, 45TE and 45TEBP Options: -OS and -ES
SPL-92106N Revised 04-04 Section 10
(00-02-0167)
Please read the following instructions before installing. A visual inspection is recommended before mounting. General Information and these installation instructions are intended for all 4-1/2 in. (114 mm) dial temperature models.
GENERAL INFORMATION
WARNING
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT
Disconnect all electrical power to the machine.
Make sure the machine cannot operate during installation.
Follow all safety warnings of the machine manufacturer.
Read and follow all installation instructions.
SPLC and SPLFC SWICHGAGE® instruments have high and low limit contacts to monitor, alarm or shutdown. The SPLC has a flanged case. SPLFC has a flush mount case intended for installation within a panel. A method to override the low limit contact for startup is provided on most models (see Operation Test Instructions on page 3).
45TE and 45TEF Series are versions of the SPL Series with 2-snap acting SPDT switches instead of the pointer type contacts. The 45TE Series does not include low contact lockout. SPLBP and 45TEBP models are designed to start and stop electric motor driven equipment. The pilot duty contacts are connected to a latching control relay for automatic ON/OFF control, either directly or through a motor starter.
Options -OS and -ES
The -OS (oil sealed case) and the -ES (environment sealed case) options for corrosive environment feature flush mount case design to be installed within a panel.
Precautions
■Do NOT exceed rated temperature range.
■Use shock mounts as necessary to protect from vibration.
■Cutting or sharp bending the capillary will cause permanent damage to the SWICHGAGE® and will void the warranty.
■Excess capillary should be carefully coiled and secured away from damage.
■Do not route capillary along exhaust manifold.
■Avoid routing capillary at level higher than gage mounting.
*
®
**
Specifications
Dial: White on black, dual scale, °F and °C standard, 4-1/2 in. (114 mm) diameter.
Case: Die cast aluminum, surface or panel mount.
Capillary: PVC armored copper tube, 5 ft. (1.5 m) long standard. Sensing Bulb: Copper bulb std.: 1/2 in. (13 mm) OD;
Length 7 in. (178 mm). Pressure rating: 600 psi (4.1 MPa) [41 bar]. Connection: 1/2 NPTM compression fitting.
NOTE: Use of thermowell is highly recommended.
Switch Reset Deadband: Approximately 10% FS.
Snap-Acting Switches: See wiring information (page 4).
Dry Relay Contact (“BP” Models): 10 A @ 28 VDC or 10 A @ 120 VAC.
Wire Connections (Surface Mount): 1/2 NPTF conduit/terminal block. Wire Connections (Panel Mount): Wire leads, 18 AWG
(1.0 mm2) x 9 in. (229 mm) long.
Wire Connections (-ES, -OS, -CC): 1/2 NPTM conduit and wire leads, 24 AWG (0.22 mm2) x 33 in. (838 mm) long.
Overrange: Do not exceed 10% FS above full range.
Item Weight: 8 lbs (3.6 kg) approx. Explosion-proof models: 22 lb. (10 kg) approx.
Item Dimensions: 16 x 11 x 5-1/2 in. (406 x 279 x 140 mm) approximately. Explosion-proof: 12 x 12 x 9 in. (305 x 305 x 229 mm) approximately.
Accuracy
Temperature Range |
Lower 1/4 |
Middle 1/2 |
Upper 1/4 |
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15 to 250°F |
± 8°F |
± 2°F |
± 2°F |
(9 to 121°C) |
(± 4°C) |
(± 1°C) |
(± 1°C) |
130 to 350°F |
± 8°F |
± 2°F |
± 3°F |
(54 to 177°C) |
(± 4°C) |
(± 1°C) |
(± 1.5°C) |
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260 to 450°F |
± 8°F |
± 2°F |
± 3°F |
(127 to 232°C) |
(± 4°C) |
(± 1°C) |
(± 1.5°C) |
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*Selected configurations are CSA approved. Consult factory for details.
**Products covered by this literature comply with EMC Council directive 89/336/EEC regarding electromagnetic compatibility as noted. Does not cover “BP” models.
SPL-92106N page 1 of 4
CASE MOUNTING
Wall Mount
Flanged case design intended for wall mount. Shown with shock mounts (optional).
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8-7/16 in. |
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(214 mm) |
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7-7/8 in. |
3-3/8 in. |
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(86 mm) |
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(200 mm) |
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4-1/32in. |
3-15/16 in. |
1/2 in. |
(100 mm) |
(13 mm) |
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(102 mm) |
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conduit |
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9/32 in. (7 mm) dia. 3 holes
DETAIL
shock mount
gage |
panel |
1/4-20 nut & lockwasher (2 each required)
Flush Mount
A round case design to be mounted within a panel from 1/32 in. (1 mm) to 1/8 in. (3 mm) thick.
5-7/16 in.
(138 mm)
120
120
Mounting Hole 4-3/4 in. (121 mm) diameter
120
panel
1/4 in. (6 mm) dia. holes (3 places.) on 5-13/64 in. (132 mm) B.C.,120
apart, clocking as shown
2-57/64 in.
(73 mm)
Optional 1/2 in. (13 mm) conduit
Options -OS, -ES (flush mount case)
5-7/16 in. |
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2-57/64 in. |
(138 mm) |
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(73 mm) |
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6-3/4 in.
(171 mm)
1/2 in. (13 mm) conduit
Optional
Back
Connection
2-23/32 in.
(69 mm)
Explosion-proof Case Mount
Explosion-proof case can be mounted from face or rear.
8 in. |
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6-25/64 in. |
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(203 mm) |
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(162 mm) |
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1/2 in.NPT optional rear or side
conduit
8 in.
(203 mm)
3/8-16 UNC-2B 
thread
7/8 in. (22 mm) deep, 8 plc's
Flush mount/Wall mount*
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6-3/4 in. |
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(171 mm) |
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3-3/8 in. |
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7-35/64 in. |
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(86 mm) |
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(192 mm) |
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diameter |
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3-3/8 in. |
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*Mounting hole |
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(86 mm) |
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not required for |
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Wall mount |
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13/32 in. |
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6-3/4 in. |
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(171 mm) |
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(10 mm) |
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diameter |
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4 places |
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SPL-92106N page 2 of 4
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