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Honeywell System 57 analog output module. Converts sensor/controller signals into isolated 0-20 mA or 4-20 mA analog output for external instruments. Dimensions 105 x 112 x 25 mm. Made in USA.
Honeywell System 57 function/engineering card for gas detection and safety control. Interfaces catalytic gas detectors (up to 4 sensor inputs), 24 VDC (18-32 VDC), card-slot mounting in System 57 rack. Dimensions approx. 133 x 25 x 190 mm. Made in USA.
Honeywell System 57 single-channel control card (4-20 mA). Four-part liquid display (25-segment analogue, four-character digital and message, icon section). A1/A2/A3 gas alarm LEDs, fault/inhibit push-button, alarm reset. 18-32 V DC supply, alarm setpoint resolution 1% FSD, electronic drift <2% over 6 months. Dimensions 17 x 2.5 x 11.2 cm.
Honeywell System 57 single-channel catalytic control card for gas detection. 25-segment analogue plus four-character digital and message display, A1/A2/A3 gas alarm LEDs with fault and inhibit indicators, 18-32 V DC supply, alarm resolution 1% FSD, electronic drift <2% per 6 months. Dimensions 17 x 2.5 x 11.2 cm.