Installation
2
NOTE:
-K : K type thermocouple output
-MVC : 10 mV/ºC output
-MVF : 10 mV/ºF output
For longer power/output cable, add suffix “xxFT” to the model part number.
The following table lists the optional accessories:
The shielded cable provides the power and output connections. Connect
the body of the OS137A to Earth Ground. Leave the shield disconnected
and insulated at the end of the cable. Fig 2-1 shows the wiring diagram for
different analog outputs. Fig. 2-2 shows alarm output connections.
2.2 – Electrical Connection
Apply DC power after making all the wiring connection
Accessories
Model No.
OS137-MB
Mounting Bracket
Water/Air Cooling Jacket with Built-in Air Purge Collar
Air Purge Collar
Laser Sighting
Regulated 24 VDC (400 mA) Power Supply
NIST Traceable Calibration
OS137-WC
OS137-AP
OS137-LS
PSR-24S
CAL-3-IR
Description
Figure 2-1. General Wiring Diagram
Figure 2-2. Alarm Output Wiring Diagram
WARNING!
Connecting the Green alarm lead
to ground, or to any load exceeding
100mA, will result in damage to the
OS137A and void the warranty.
If the alarm output is not
being used, it must be left
disconnected and insulated
2
