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Precision Thermistor Sensor
For Air Temperature Measurements
3 m (10') L vinyl
insulated, shielded, vinyl
jacketed cable included.
ON‑405 and 406 supplied with
300 mm (12") of cable
and phone plug.
Dimensions: mm (inch)
13 (1⁄2)
Stainless Steel
32 (11⁄4)
5
⁄8)
16 (
ON-905-44004
shown smaller
than actual size.
300 Series
Housing
13
(1⁄2)
Dimensions: mm (inch)
32 (11⁄4)
13 (1⁄2)
ON-906-44004
shown smaller
than actual size.
16 (5⁄8)
Plastic Housing
for High Humidity
Applications
13
(1⁄2)
U Ideal for Measuring
U Available in
5 Resistance Curves
U Thermistors are Epoxy
Coated and Extend Into
the Airflow
U Maximum Temperature
100°C (212°F)
ON-905 and ON-906 Series
Air Temperatures
in Laboratories and
Laminar Flow Systems
U Metal or Plastic Cage
Provides Protection for
Thermistor Sensor While
Leaving it Open to the
Air Flow
To Order Visit omega.com/on-405-406-905-906 for Pricing and Details
Model Resistance Interchangeability Maximum Cable Cable
Number @ 25°C @ 0 to 70°C Temperature Length Termination
ON-405-PP 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
ON-406-PP 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
ON-905-44004 2252 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44005 3000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44007 5000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44006 10000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44008 30000Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44004 2252 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44005 3000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44007 5000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44006 10000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44008 30000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
Notes: For additional cable length, add required length (in inches) to end of the model number for an additional cost. For a phone plug, add
“-PP” to the model number for an additional cost. For tighter interchangeability, substitute the thermistor part number from the table below for
an additional cost to the sensor price.
Ordering Examples: ON-905-44004-36-PP, air temperature sensor with a steel cage and a resistance of 2252 Ω at 25°C, interchangeability of
±0.2°C, 36” of cable and a phone plug connector.
ON-905-44034-36-PP, air temperature thermistor sensor with steel cage and a resistance of 5000 Ω at 25°C, interchangeability of ±0.1°C,
36" of cable and a phone plug connector.
Optional Thermistors
Resistance Maximum Storage and Working
Model @ 25°C Working Interchangeability Temp for Best
Number (Ω) Temperature @ 0 to 70°C Stability
44033 2252 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44030 3000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44034 5000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44031 10,000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44032 30,000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
D
D-26
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