H1850R Series AUTOTEMP® Indicators

Product catalog summary

Introduction
The H1850R Series AUTOTEMP® Indicators by Howell Instruments, Inc. are solid-state analog/digital gauges designed to measure the output of ANSI type K thermocouples. These indicators are crucial for monitoring engine temperature, a key parameter for ensuring mechanical integrity and prolonging engine life.

Specifications

Power Input: 115 VAC, ±10%, 380 to 420 Hz, requiring a maximum of 10W.
Signal Input: ANSI Type K Thermocouple.
Range: 0 to 1200 °C (0 to 2000 °F).
Digital Display: Features four seven-segment green LED characters, NVG compatible per MIL-L-85762A, with automatic brightness control via a 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 Certification: DO-160C.
Certification: TSO C43c.
Optional Features: Integral lighting available in 5V AC/DC or 28 VDC systems with various color options; an integral warning lamp available in multiple colors with limits set to customer specifications.

Performance
The indicators provide digital accuracy of ±1 °C and pointer accuracy of ±6 °C of the digital display. They feature both analog pointers and digital displays for redundancy, with a maximum response time of one and one-half seconds to stabilize within ±1 °C at full scale.

Contact Information
Howell Instruments, Inc.
8945 South Freeway, Fort Worth, Texas 76140
Website: www.howellinst.com
Phone: 817-336-7411
Fax: 817-336-7874
Email: [email protected]

Catalog excerpts

COCKPIT ENGINE INSTRUMENTATION H1850R Series AUTOTEMP® Indicators 1 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. 1 AUTOTEMP® is a registered trademark of Howell Instruments, Inc. Howell Instruments, Inc. 8945 South Freeway Fort Worth, Texas 76140 www.howellinst.com 817-336-7411 Fax: 817-336-7874 info@howelli

Open the catalog to page 1

H1850 Series AUTOTEMP® Indicators Specifications Howell Instruments, Inc. • 8945 South Freeway • Fort Worth, Texas 76140 www.howellinst.com • 817-336-7411 • Fax: 817-336-7874 • [email protected]

Open the catalog to page 2