Service Locations; Table 6-10. Photometer Power Supply Connector Pin Descriptions - Thermo Scientific 146i Instruction Manual

Service Locations

Thermo Fisher Scientific

Table 6-10. Photometer Power Supply Connector Pin Descriptions

Connector Reference
Label Designator
LAMP J1
LAMP HEATER J2
INTF J3
For additional assistance, service is available from exclusive distributors
worldwide. Contact one of the phone numbers below for product support
and technical information or visit us on the web at www.thermo.com/aqi.
1-866-282-0430 Toll Free
1-508-520-0430 International
Pin Signal
Description
1 Photometer Lamp Voltage Out
2 Photometer Lamp Voltage Return
1 Ground
2 Photometer Lamp Thermistor 1
3 Photometer Lamp Heater Control
4 Ground
5 +24V Heater Current Sense
6 Photometer Lamp Thermistor 2
1 Photometer Lamp Intensity Control
Voltage Input
2 Photometer Lamp Intensity Control
Voltage Output
3 Photometer Heater Thermistor
4 +24V
5 Ground
6 Photometer Lamp On/off Control
7 Ground
8 Ground
Model 146i Instruction Manual
Troubleshooting
Service Locations
6-25