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Semiconductor Type Temperature Sensors
ACI/334 Series



Product Description:

The ACI/334 Series semiconductor type temperature sensors provide accurate temperature measurement that is linear and proportional to Degrees Fahrenheit.

The ACI/334 sensor provides a 2.406 to 3.869 VDC or a 240uA to 386uA output throughout the temperature range of -13 to 212oF.

These units are offered in Room, Room with Setpoint, Room with Override, Room with Setpoint and Override, Duct, Immersion, Stainless Plate, Raw, Strap-On, and Outside Air configurations.

Setpoint options include a linear 400 Ohm, 1K, 2K, 5K, 10K, 20K, and 100K slide pot and any offset resistor in series with the potentiometer.

These may be ordered as either Direct or Reverse Acting.

Override options include a normally switch in parallel with the sensor or a separate two-pole terminal block for tenant override.

Custom configurations are available upon request.

Product Specifications:
Output 3 wire 2.406 to 3.869mV
2 wire 240.6 to 386uA
Supply Voltage+5 to 30 VDC
Temp. Range -13 to 212F (-25 to 100C) Temperature Coefficient 5.5mV/F or 11mV/C
Accuracy +/- 1.0F @ 77F (+/- 0.55C @ 25C) Operating Humidity 10 to 90% RH non-condensing

RoomOutside Stainless Plate
Duct/ImmersionAveraging-12', 24'
Strap OnBullet Probe
Duct without Box


Ordering Information:
Sensor Configuration Pot ValueSetpoint Sticker Pot Action
ACI/ -[]-[] -[]-[] -[]
334 R-Room400 Ohms 55 to 85(DA) Direct Acting
RS-Room w/Setpoint 1K OhmsCool/Warm (RA) Reverse Acting
RO-Room w/Override 2K OhmsSpecify
RSO-Room w/Setpoint & Override 10K Ohms
RSO-RJ11- Room w/Setpoint, Override and RJ11 20K Ohms
D-Duct-4", 8", 12",18" 100K Ohms
DO-Duct without Box-4", 8", 12", 18"
I-Immersion 4", 8" Specify
A-Averaging 12', 24'
S-Strap On
O-Outside Air
SP-Stainless Plate


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Last Updated 03/18/10