Get your Special Pricing!

O-4B | Outside air temperature sensor | 10K Ohm thermistor | Type II. | Dwyer Instruments

The photo is for representation purposes only and may not be a photo of product being purchased.

Search products similar to O-4B

Jump to: Documents Overview Specifications Reviews

Documents and manuals

Dwyer Instruments O-4B Documents

Series O-4 Catalog Page O-4 IP Test Report More Info

Overview

Details for O-4B

Outside Air Sensor O-4B: The Dwyer Instruments NCO-O-4B is an Outside Air Sensor designed to measure outside air temperature. Ideal for HVAC and energy management systems, this sensor provides accurate and reliable temperature readings. Featuring a 10K type II thermistor, the NCO-O-4B offers excellent temperature sensing capabilities. Its compact design and easy installation make it suitable for various applications, including rooftop units, air handlers, and chillers. With its rugged construction and durable materials, the NCO-O-4B ensures long-lasting performance in harsh outdoor environments. Its high accuracy and precise readings make it an essential tool for controlling indoor air quality, optimizing energy consumption, and maintaining comfortable indoor environments. Shop our HVAC supply store today for the best prices and fast shipping on the Dwyer Instruments NCO-O-4B Outside Air Sensor and all your industrial supply needs.

Series O-4 Outside Air Temperature Sensor

NEMA 4X, Removable Terminal Block

The Series O-4 Outside Air Temperature Sensors are great for monitoring ambient air temperatures in outdoor applications. The temperature sensors are mounted in a NEMA 4X enclosure with integral mounting tabs. The mounting tabs can be used to surface or suspension mount the temperature sensors. The removable terminal block makes installation easy. The Series O-4 can be used to measure outside air temperatures in building automation systems or room temperatures inside agricultural ventilation houses.

For models with resistive thermistors or RTD outputs, please click here for temperature to resistance lookup tables.

Product Applications

Agricultural house ventilation
HVAC and building automation

NEMA 4X weatherproof housing
Surface or suspension mount

Specifications

Series: O-4 Outside Air Temperature Sensor
Category/Type: Temperature
Type: Sensors
Series: O-4 Outside Air Temperature Sensor
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: NEMA 4X (IP66).
Weight: 3 oz (85 g).
Agency Approvals: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II).