Murphy Exhaust Pyrometers 10705147 User Manual

P-9011B  
Revised 10-05  
Catalog Section 10  
Exhaust Pyrometers  
10705146  
Models 10705146 (00000819)  
and 10705147 (00000956)  
Single or Dual Port Reading  
2% Accuracy  
Sealed Construction  
Temperature Compensation  
Easy to Read Scales  
10705147  
Suitable for stationary or mobile engines,  
Description  
Specifications  
Dial Scale  
Single: 300 to 1300°F (150 to 700°C)*  
power units, agricultural and construction  
equipment, as well as marine and trucking.  
The Single 10705147 (00000956) and Dual  
10705146 (00000819) Port Pyrometers  
monitor exhaust temperatures in all types of  
engines. The Dual Port Pyrometer can mon-  
itor each bank of a V-type engine, allowing  
you to compare readings at all times. Both  
pyrometers feature an easy-to-read illumi-  
nated dial with scales in both Fahrenheit and  
Celsius. They require no outside power  
(except for dial lighting). Spring loaded  
jewels and alloy pivots increase durability.  
Murphy offers pyrometer accessories such  
as thermocouples and wire lead assembly.  
Dual: 300 to 1200°F (150 to 649°C)*  
Features  
*Celsius only dials available.  
Large sweep scales for maximum legibility.  
Internal illumination for night use.  
Accuracy: 2% full scale.  
Dial Sweep (both models): 100°.  
Accuracy: Full scale 2%.  
Illumination  
Sealed housing.  
Internal 12 or 24 VDC.  
Ambient temperature compensation.  
Calibrated permanently at 2/3 scale.  
Flush type mounting on any plane.  
Bezel: Polished stainless steel.  
Black bezel available. Special order.  
Case: PVC.  
Pointer(s): Fire Orange.  
Application  
Benefits of Using a  
Pyrometer  
Excessive exhaust temperature is a major  
damaging factor to all engines. The best  
way to monitor this temperature is with the  
use of a pyrometer. Excessive exhaust tem-  
perature is caused by an upset fuel/air ratio  
or more fuel in the engine than there is air to  
support it. This condition can occur as a  
result of over throttling, a dirty air cleaner,  
different fuels, a malfunctioning fuel sys-  
tem, change of altitude, an out of tune  
engine and many other causes. But whatever  
the cause, a pyrometer indicates this condi-  
tion before serious damage occurs.  
Warranty  
A limited warranty on materials and workmanship  
is given with this FW Murphy product. A copy of  
the warranty may be viewed or printed by going to  
Longer engine life  
Better fuel economy  
Less lubrication oil dilution  
Lubrication oil stays clean much longer  
Exhaust emissions drop to a minimum  
Malfunctions indicated before  
excessive damage occurs  
P-9011B page 1 of 2  

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