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Summary of Contents for Minco AH440
- Page 1 AH440 Humidity and Temperature Transmitter Installation and Operating Instructions Tel: 763. 571.3121 • Fax: 763. 571.0927 • www.minco.com...
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Page 2: Specifications
Description Model AH440 is humidity / temperature assembly consisting of separate 2-wire temperature compensated humidity and temperature transmitters, as well as a rugged sensing probe. The assembly utilizes a Honeywell HIH series monolithic IC humidity sensor, which provides excellent stability and chemical resistivity. The humidity transmitter converts the humidity sensor’s signal into a 4 to 20 mA DC current, which changes... - Page 3 Mounting Installation of the AH440 consists of mounting the transmitter and connecting it to power. Duct/Wall/OSA Mounting: Models AH440D… AH440O… AH440W 1. For the duct mount model AH440D only, drill ½” hole into sheet metal of duct. (Probe is 3/8” in diameter.)
- Page 4 Humidity Transmitter Wiring Diagram Figure 1 Temperature Transmitter Wiring Diagram Figure 2 Minco Tel: 763. 571.3121 • Fax: 763. 571.0927 • www.minco.com...
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Page 5: Power Supply
Allowing a margin of 0.5 Volts for the supply permits 25 ohms of lead wire resistance for remote installation. Totaling these, we get a minimum power supply requirement of 15.0 VDC. Using a 24 VDC power supply will take care of nearly all installations, but the AH440 will operate at voltages up to 35 VDC. - Page 6 Warranty Items returned within one year from the date of sale, transportation prepaid, which Minco Products, Inc. (the “seller”) reasonably determines to be faulty by reason of defective materials or faulty workmanship will be replaced or repaired at the seller’s discretion, free of charge.
- Page 7 1.0 REF Ø0.375 AREA Duct 4.5 REF LINE POWER 4.5 REF 4 ±.12 GASKET Ø1.250 7/8 HEX WEATHERPROOF 4 ±.12 4.5 REF CONNECTION BOX MODEL CH317 GASKET Wall Ø0.375 CRIMP FITTING Minco Tel: 763. 571.3121 • Fax: 763. 571.0927 • www.minco.com...
- Page 8 ISO 9001:2000 / AS9100B 7300 Commerce Lane Usine et Service 20 Science Park Road Minneapolis, MN 55432 USA Commercial, Z.I. #02-31 Teletech Park © Minco 2009 Flex Circuits Tel: 1.763.571.3121 09310 Aston, France Singapore Science Park II F:\MOD\HT429\LIT\ Thermofoil™ Heaters 1089MN.DOC...
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