Specifications

Thermocouple Sensors
Max. Temperature: 60°C (140°F)
Accuracy: ±1.1°C (1.98°F)
Sensor Types: J,K,T,E
Sensor Lead Length: 1m (40")
Lead Material: 24 AWG, PFA coated

RTD Sensor
Max. Temperature: 60°C (140°F)
Accuracy: ±1°C (1.8°F)
Sensor Type: 100 Ohm Pt. 0.00385
Sensor Lead Length: 1m (40")
Lead Material: PFA insulated 3-conductor 26 AWG stranded Nickel-plated Copper

Thermistor Sensor
Max. Temperature: 60°C (140°F)
Accuracy: ±0.2°C (0.36°F)
Sensor Type: OMEGA® “400” Series 2252 ohm @ 25°C
Sensor Lead Length: 1m (40")
Lead Material: PVC insulated 2-conductor 22 AWG stranded Nickel-plated Copper

Temperature Transmitter
Temperature Range: -18 to 57 °C (0 to 135°F)
Accuracy @ 25°C:
In Still Air: ±.0.7°C (±1.2°F) @ 24°C; 1.4°C (±2.5°F) across full range
In Moving Air: ±1.4°C (±2.5°F) @ 25°C; ±1.7°C (±3°F) across full range
Note: Not recommended for fast moving air applications
Repeatability: ±0.3°C (±0.5°F)
Output: 4 to 20 mA or 1 to 5 Vdc (scaled across range)
Temp Time Constant: (for 63.2% response); 9 sec. in moving air (1M/sec.); 30 sec. in still air
Power: 8 to 24 Vdc @ 20 mA
Max. Loop Resistance: Ohms = (V supply - 8V)/0.02 A
Sensor Type: Solid State

Temperature/Humidity Transmitter
Range: 5 to 95% (non-condensing)
Accuracy: From 5 to 20%, ±4% RH; From 20 to 80%, ±3%RH From 80 to 95%, ±4%RH
Repeatability: ±1%RH
Output: 4 to 20 mA or 1 to 5 Vdc (scaled for 0 to 100% RH)
Power: 8 to 24 Vdc @ 20 mA
Max. Loop Resistance: Ohms = (V supply - 8V)/0.02 A
RH Time Constant: 100 sec., from 20 to 90%, 60 sec from 90 to 20%
Sensor Type: Thin-film polymer capacitor (see Temperature Transmitter for temperature specifications)

Barometric Pressure Transmitter
Pressure Range: 20.8 to 32 inHg (10.2 to 15.7 psi)
Temperature Compensation: across full range
Accuracy: ±1% of span @ 25°C (77°F) plus ±0.11%/°C (0.06%/°F)
Operating Temperature Range: 0 to 60°C (32 to 140°F)
Output: User selectable 4 to 20 mA, 1 to 5 Vdc
Power: 8 to 24Vdc @ 20 mA
Max. Loop Resistance: Ohms = (V supply -8 V)/.020 A
Media Compatibility: Clean dry air, non-corrosive gases

Mechanical
Enclosure Material: Valox 364 PBT or
Acrylonitrile Butadlene Styrene
Dimensions: 79 x 54 x 34 (or 45) mm
(3.12 L x 2.12 W x 1.34 (or 1.78" H)

Note: The EWS Series is for indoor applications only. They are not designed to be exposed to rain, snow or other extreme weather conditions.