Omega Vehicle Security Smcj J User Manual

°C  
°F  
+
Output  
®
Thermo-  
couple  
Analog  
Output,  
1 mV per  
degree  
Input  
OFF  
Press  
(SMP or OST  
Connectors)  
Low  
Batt  
Super MCJ  
K
Thermocouple to  
Analog connector  
Super MCJ  
SMCJ-J, SMCJ-K, SMCJ-T  
INSTRUCTION  
M2813-0103  
Shop online at: omega.com e-mail: [email protected]  
For latest product manuals: omegamanual.info  
SHEET  
Thermocouple-to-Analog Connector  
GENERAL DESCRIPTION  
This is a Thermocouple to Analog Connector.  
The input connection can be SMP or OST  
both flash alternately once a second.  
It converts a thermocouple input signal (Type  
type connections. The output connection is  
When the battery voltage drops below a  
certain level, a red LED starts to flash once a  
second. This is a low battery indication. The  
battery must be replaced with a fresh battery  
immediately.  
J, K, or T) to a linear, compensated, amplified standard banana plug or jack. The plastic  
®
analog output. The unit provides 1mV/°F or  
1mV/°C analog output. The analog output  
can go to a strip chart recorder or a digital  
voltmeter for temperature monitoring.  
case and the rubber gasket Bumper Band  
provides a rugged and sealed connector  
design. Figure 1 provides a functional flow  
chart of how the unit operates. This unit is  
operated using a single tactile feedback  
Field Adjustments  
The unit is powered by a single AA size  
lithium battery. In order to install the battery,  
remove the back cover and place the battery  
on the PC board. The battery polarity is  
indicated on the PC board. If the battery is  
installed reverse, the unit will not power up.  
The back cover is mounted to the front cover  
via two mounting holes.  
Press  
The unit is field adjustable by removing the  
button  
.
back cover and accessing the three  
There are 3 LEDs built into the connector.  
The °C green LED flashes once every 2  
seconds when the output provides 1mV/°C.  
The °F green LED flashes once every 2  
seconds when the output provides 1mV/°F. If  
the input is open the °C and °F green LEDs  
potentiometers. R17 provides offset  
adjustment when the unit is in mV/°F mode.  
R42 provides offset adjustment when the unit  
is in mV/°C mode. R32 provides span (gain)  
adjustment either in mV/°F or mV/°C mode.  
OTHER IMPORTANT CONSIDERATIONS BEFORE OPERATION  
CAUTION  
SPECIFICATIONS  
Measuring Temperature Range:  
Type J: -100 to +750°C (-148 to +1382°F)  
Type K: -100 to +1250°C (-148 to +2282°F)  
Type T: -100 to +350°C (-148 to +662°F)  
Accuracy @ 75°F ambient  
for use with equipment (digital multimeter,  
Follow all the safety precautions and  
chart recorder, etc.) which have no accessible  
operating instructions outlined in the manual.  
live parts. Such equipment should comply with  
all the applicable safety requirements.  
The installation category is one (1).  
temperature across the range:  
Type J: 1.4°C ( 2.5°F)  
There are no user replaceable fuse in  
Do not open batteries, dispose of in fire,  
this product.  
Type K: 3°C ( 5°F)  
heat above 100°C (212°F), expose contents to  
Type T: 2°C ( 3°F)  
water, recharge, put in backwards, mix with  
used or other battery types. It may cause  
explosion, leakage or personal injury.  
Use cloth damped with warm water and  
soap to clean the outside case and label. Do  
not use flammable liquid solutions for cleaning.  
Do not immerse the product in water.  
Maximum input voltage to earth: 30  
Vrms (42.4 peak) or 60 Vdc.  
Avoid contact with hazardous live parts.  
The thermocouple probe should not be  
connected to hazardous live voltages (less than  
max. input voltage to earth).  
Input Connection: SMP or OST connector  
Input Impedance: 3M-ohms  
Output Connection: Standard Banana  
Plug or Jack  
Thermocouple Break Protection:  
Output goes Upscale (std.)  
The output terminals of this product are  
°F & °C Green LEDs flash once a second  
Output: 1mV/°F or 1mV/°C, °F or °C Green  
LEDs flash once every 2 seconds  
Output Load: 1K-Ohms min.  
Power: One AA size Lithium Battery, 3.4 to  
3.6 VDC 1900 mAH  
°C  
Press  
Output Upscale/Downscale  
°F  
YES  
1 sec Delay  
NO  
°C  
Input  
1mV/°C Mode  
1mV/°C Output  
°F  
Open  
Start  
Battery Life @ 75°F Ambient Temperature:  
1440 hours (60 Days), continuous, no load  
Low Battery Indication:  
Sleep  
Press  
Mode  
°C  
NO  
Input  
1mV/°F Output  
°F  
1mV/°F Mode  
Red LED flashes once a second,  
Response Time:  
Open  
YES  
°C  
°F  
Press  
(0 to 63% of Final value): 150 msec  
Operating Temperature:  
Output Upscale/Downscale  
0 to 50°C (32 to 122°F)  
Figure 1, Functional Flow Chart  
Thermal Zero Drift: 0.05 mV/°C  
(0.05 mV/°F) ambient temperature change  
Operating Relative Humidity: 95% or  
less, without condensation  
Accessories  
Model No.  
OM-NOMAD-BATT  
SMCJ-CAB  
Description  
Dimensions:  
Replacement Battery  
4"L x 2"W x 1"H (10L x 5W x 2.5H cm)  
Weight: 2.4 oz (67g)  
Cable Wire (Red & Black) 36" Long  

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