The H1850R Series Indicators are solid-state analog/digital gauges, that measure the output of ANSI type K thermocouples

Because temperature is one of the most critical engine parameters used in monitoring mechanical integrity, prolonged engine life is dependent upon avoiding operation at temperature limits. Howell’s H1850R Series Temperature Indicators provide the level of accuracy needed to protect your investment. Digital accuracy is ±1 °C, pointer accuracy is ±6 °C of digital display.

The H1850 series single purpose indicators have both analog pointers and digital displays for redundancy. Maximum response time is one and one-half seconds to stabilize within ±1 °C at full-scale.


H11850 Series

Power Input 115 VAC, ±10%, 380 to 420 Hz. Unit requires 10W maximum.
Signal Input ANSI Type K Thermocouple.
Range 0 to 1200 °C (0 to 2000 °F).
Digital Display Four seven segment, green LED characters, with decimal point. NVG compatible per MIL-L-85762A. Brightness automatically controlled via an integral photoelectric cell.
Case Per MS33639, 2 inch diameter, 6.5 inches long, hermetically sealed.
Weight 1.5 lbs Maximum
Connector Interface MIL-C-26482 and MIL-C-5052
Environmental DO-160C
Certification TSO C43c
Optional Integral Lighting 5V AC/DC or 28 VDC system. White, red, blue/white, or NVG.
Optional Warning Lamp An integral warning lamp can be supplied in red, yellow, orange and NVG blue/green. Limits set to customer specifications.