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SERIES O-4
[161.48
4
2X .250
2X
E
OUTSIDE AIR TEMPERATURE SENSOR
NEMA 4X, Removable Terminal Block
TEMPERATURE
E
O
D
I
V
O
N
L
I
N
The Series O-4 Outside Air Temperature Sensor is great for monitoring ambient
air temperatures in outdoor applications. The temperature sensors are mounted in a
NEMA 4X enclosure with integral mounting tabs.
BENEFITS/FEATURES
• NEMA 4X weatherproof housing
• Surface or suspension mount
APPLICATIONS
• Agricultural house ventilation
• HVAC and building automation
MODEL CHART
Model Sensor Type Model Sensor Type
O-4A
10 kΩ type III thermistor
O-4B
10 kΩ type II thermistor
O-4C
3 kΩ thermistor
O-4D
O-4E
O-4F
Pt100 Ω RTD
Pt1000 Ω RTD
20 kΩ thermistor
6-3/8
.375
]
2-3/4
[69.85]
2x 5/16
[7.94]
2X Ø.188
3
[76.2]
3-31/64
[88.5]
4
[101.6]
1-27/64
[36.12]
YEAR LIMITED
1-31/6
[37.70]
WARRANTY
SPECIFICATIONS
Accuracy: Thermistor temperature sensor: ±0.22°C @ 25°C (±0.4°F @ 77°F); RTD
temperature sensor: DIN class B: ±0.3°C @ 0°C (±0.54°F @ 32°F).
Operating Temperature: -40 to 250°F.
Probe Diameter: 0.235˝ (5.97 mm).
Probe Length: 3.5˝.
Probe Material: 304 SS.
Mounting: Suspension or surface.
Enclosure Rating: NEMA 4X (IP66).
Weight: 3 oz (85 g).
Compliance: Meets the technical requirements of EU Directive 2011/65/EU (RoHS
II).
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