44-00-0297 SHERLOCK102/202 REV. 4.1 05-02-1510
(Also see manual 44-0295 IR Sensor (44-0221 Obsolete)
The SHERLOCK Non-Dispersive IR Refrigerant Gas Sensor
was designed to monitor for the presence of refrigerant gases
within an enclosed space. The sensor is mounted within the
space to be monitored and connected by cable to a SHERLOCK
System. The IR sensor is calibrated to a specific refrigerant
gas. The IR comes in two Temperature ranges depending upon
the monitoring environments: Machine room and Extended for
refrigerated applications in NEMA 3R Aluminum (Pictured).
Water-tight ABS fiberglass housing for Wash down protection
(NEMA 3R) and Stainless Steel enclosure are also available.
The IR Sensor is a reliable method of monitoring for refriger-
ant gas leaks in environments that have air quality problems.
The IR will eliminate many false alarms in environments that
contain gasoline, diesel, and propane exhaust and fumes from
solvents, paints, cleansers, and others.
IR SENSOR
NEMA 3R ALUMINUM HOUSING
ENCLOSURE RATING NEMA 3R Aluminum,
Black Powder Coat
DIMENSIONS 12.86 x 4.8 x 2.44
Inches (mm) (327 x 122 x 62)
OPERATING ENVIRONMENT
TEMPERATURE Machine Room 32°-110°F
(0°-43.3°C)
Extended Temp -40°-110°F
(-40°-43.3°C)
HUMIDITY 0 TO 90% RH Non-Condensing
POWER INPUT 12VDC, 0.4 A
EFFECTIVE RANGE 0 to 1000ppm
SENSITIVITY ±1 ppm at 77°F (25°C), 45% RH
RESOLUTION 1 ppm
RESPONSE TIME Under Than 60 Seconds
CALIBRATION Every 6 Months
WARM-UP TIME Readings will stabilize after 3 hrs
LIFE EXPECTANCY Average of 5 to 7 years in
normal environments
AVAILABLE GAS SENSORS (Part Numbers)
Machinery Room/Walk-In Cooler Application
R11 - 60-0057 R12 - 60-0104 R22 - 60-0053
R114 - 82-0260 R123 - 60-0137 R134A - 60-0054
R402A - 82-0249 R404A - 60-0052 R407C - 60-0214
R408A - 60-0184 R409A - 60-0066 R410A - 60-0165
R500 - 60-0067 R502 - 60-0059 R507A - 60-0061
Ammonia/NH
3
- 600095
Extended Temperature/Freezer Application
R-11 - 60-0058 R-22 - 60-0047 R-402A - 60-0142
R-404A - 60-0051 R-408A - 60-0065 R-502 - 60-0060
R-507A - 60-0062 Ammonia/NH
3
- 60-0096
Call factory for list of additional refrigerants
APPLICATIONS
Typical applications include:
Wineries HVAC Chiller Equipment Rooms
Bakeries Refrigeration Mechanical Rooms
Refrigerated Rooms Food Processing Plants
WARNING!!!! The infrared sensor is not to be
applied into all refrigerated storage applications
where other toxic gases are used in the same room.
Some installations are not suitable for Infrared
technology. Misapplication may result in damage
to sensor. Contact the factory for a specific list of
approved applications.
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