Honeywell Modulating Temperature Controller from ( 0 F to 100 F)
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Honeywell T991 Proportional Temperature Controller:
For modulating control of water or air temperature in ducts, tanks and similar applications
Fast response models (for duct mounting) have coiled sensing element giving at least four times faster response than standard models. Ambient temperature compensated for the case and tubing. Sensing element capillary tubing allows remote mounting of sensing element.
Setpoint may be read and adjusted through cover.
Throttling dial inside case adjusts proportional throttling range.
Output Type analog.
Analog Output One 135 Ohm Potentiometer.
Application Provide modulating control of water or air temperature in ducts or tanks Setpoint Temperature Range (F) 0 F to 100 F.
Setpoint Temperature Range (C) -18 C to 38 C.
Comments Includes 107324A duct bulb holder.
Voltage 24 Vac to 30 Vac.
Frequency (Hz) 50 Hz, 60 Hz.
Type Remote bulb.
Dimensions (in.) 5 5/8 in. high, 2 in. wide, 2 1/4 in. deep Dimensions (mm) 143 mm high, 51 mm wide, 57 mm deep.
Sensor Element Copper bulb.
Number of sensors 1.
Capillary Length (ft) 5 ft.
Capillary Length (m) 1.5 m.
Bulb Size (in.) 1/2 in. diameter, 4 3/16 in. long.
Bulb Size (mm) 13 mm diameter, 107 mm long.
Maximum Operating Temperature (F) 125 F.
Maximum Operating Temperature (C) 52 C.
Throttling Range (F) 3 F to 30 F.
Throttling Range (C) 1.7 C to 16.7.
Replaces Part Numbers: CART991A1426