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NovaLynx Corporation 
 

 

 

 

225-WS-32THA 

Page 5 

February 2021 

 

4

 

SPECIFICATIONS 

 

225-WS-32THA Temperature and Relative Humidity Sensor
Relative Humidity

Humidity sensor

Vaisala INTERCAP® (replaceable)

Measurement Range

0 to 100% RH

Typical accuracy:

±3 %RH (0 … 90 %RH) 
±5 %RH (90 … 100 %RH)

at −40 … 0 °C and +40 … +60 °C

±5 %RH (0 … 90 %RH)

(−40 … +32 °F and +104 … +140 °F)

±7 %RH (90 … 100 %RH)

Temperature

Temperature sensor

1000 ohm platinum resistive element (RTD)

Measurement range

−40 … +60 °C (−40 … +140 °F)

Accuracy:

at +10 … +30 °C (+50 … +86 °F)

±0.5 °C (±32.9 °F)

at −40 … +10 and +30 … +60 °C

(−40 … +50 and +86 … +140 °F)

Analog outputs

2 channels

0 … 1 VDC

Start-up time

4 seconds

External loads

RL min. 10 kΩ

Accuracy at +20 °C (+68 °F)

±0.2 % of FS

Temperature dependence

±0.01 % of FS/°C (±0.006 % of FS/°F)

Power requirements

Power consumption

1 mA average, max. peak 5 mA

Operating voltage

5 … 28 VDC

Operating environment

Operating temperature

−40 … +60 °C (−40 … +140 °F)

IP rating

IP65

EMC compliance

EN 61326-1, industrial environment

Regulatory compliance

CE, ROHS Directive, EMC Directive

Mechanical

Probe body

Stainless steel (AISI 316)

Probe filter

Chrome coated ABS plastic (replaceable)

Probe connector

4-pin M8 (IEC 60947-5-2)

Cable

24 AWG, 4 conductor, shielded, 40 feet (12 m), tinned leads

Radiation Shield

UV stabilized ABS plates, PVC top cap and lower shroud, powder-
coated aluminum mounting bracket

Mounting

1.25" o.d. pipe with stainless steel U-bolt

Size

4" Dia x 6" H x 6" L (102 x 152 x 152 mm)

Weight / Shipping

1.6 lb (0.73 kg) / 2.25 lb (1.0 kg)

at 0 … +40 °C (+32 … +140 °F)

±0.6 °C (±33.08 °F)

Содержание 225-WS-32THA

Страница 1: ...S 32THA UM 20210202 225 WS 32THA User Manual 225 WS 32THA Temperature and Relative Humidity Sensor with Solar Radiation Shield aka 110 WS 25THA Phone 530 823 7185 Email nova novalynx com Website www novalynx com ...

Страница 2: ...ive items If packing facilities are not available take the equipment to the nearest Post Office UPS or other freight service and obtain assistance with the packaging Please write the RA on the outside of the box Warranty NovaLynx Corporation warrants that its products are free from defects in material and workmanship under normal use and service for a period of one year from the date of shipment f...

Страница 3: ... Corporation 225 WS 32THA Page 3 February 2021 CONTENTS 1 FORWARD 4 2 INTRODUCTION 4 3 WIRE INSTALLATION TABLE 4 4 SPECIFICATIONS 5 5 INSTALLATION 6 6 MAINTENANCE 6 7 CALIBRATION TEST KIT 7 8 TROUBLESHOOTING 7 ...

Страница 4: ...ected by a solar radiation shield that blocks direct sunlight and deflects precipitation The mounting bracket U bolt fits a 1 mast not included Relative humidity is measured by a thin film capacitive sensing element The sensor range is 0 to 100 relative humidity with a 0 to 1 volt output Temperature is measured by a 1000 ohm RTD element The sensor range is 40 to 60 C 40 to 140 F with a 0 to 1 volt...

Страница 5: ...t 20 C 68 F 0 2 of FS Temperature dependence 0 01 of FS C 0 006 of FS F Power requirements Power consumption 1 mA average max peak 5 mA Operating voltage 5 28 VDC Operating environment Operating temperature 40 60 C 40 140 F IP rating IP65 EMC compliance EN 61326 1 industrial environment Regulatory compliance CE ROHS Directive EMC Directive Mechanical Probe body Stainless steel AISI 316 Probe filte...

Страница 6: ...r logger or PLC to power the sensor for at least 4 seconds before taking a reading 6 MAINTENANCE The 225 WS 32THA Relative Humidity and Temperature Sensor does not require calibration and has no calibration adjustments available to the user Field check the accuracy of the sensor by comparison with an accurate reference on an annual basis or more often in dusty or polluted areas The probe may be re...

Страница 7: ...ensor at 12 and 75 RH Testing at two points verifies the overall operating range of the humidity sensor Spot checking at ambient conditions may not always detect a marginally defective sensing element The calibration chambers work best in stable temperature conditions indoors but can also be used to make quick and accurate field tests In either case the chamber humidity reading is corrected accord...

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