Veris HEW3MSTA Wall Humidity Sensor Owner’s Manual
- June 17, 2024
- VERIS
Table of Contents
Veris HEW3MSTA Wall Humidity Sensor
HEW Economy Series wall-mount humidity transmitters offer high performance in easy-to-install housing at an affordable price. The thin-film capacitive sensor element provides high accuracy and performance, great long-term stability, and full recovery from saturation. Temperature sensing options are also available. The wall housing was created using sophisticated thermal analysis techniques for optimum airflow. It is ideal for schools and other applications requiring exceptional durability and a discrete appearance. All Economy models come with a standard one-year warranty.
SPECIFICATIONS
INPUT POWER
| Voltage Model | Class 2; 12 to 24 Vdc or 24 Vac |
|---|---|
| mA Model | Class 2; 12 to 24 Vdc |
| AC Voltage Tolerance | ±10% |
| AC Frequency | 50/60 Hz |
| Max. Inrush Current after 1 msec (mA version) | 25 mA |
OUTPUT POWER
| mA Output | 4 to 20mA, 2-wire, not polarity sensitive |
|---|---|
| mA Max. Loop Resistance | 500 Ω at 24 Vdc input voltage; 250 Ω at 12 Vdc input |
voltage
Voltage Output| 0 to 5 V or 0 to 10 V (jumper selectable)
Voltage Min. Load Resistance| 5 kΩ
Voltage Min. Sinking Current| 0.2 mA
RH TRANSMITTER
| RH Element | Digitally profiled thin-film capacitive, non-removable |
|---|---|
| Accuracy* | ±2%, 3%, or 5% (10 to 90% RH, 20 to 30 °C) |
| Temperature Effect (Outside 20° to 30°C) | ≤0.1% RH per °C |
Response Time
(to 90% change at 20°C)
| 110 sec
Annual Drift| ≤1%
Output Scaling| 0 to 100% RH
TEMPERATURE TRANSMITTER OPTION
| Active Output Accuracy | ±0.5 °C (±.9 °F) |
|---|---|
| Active Output Temp Scaling | 10 to 35 °C (50 to 95 °F) |
Self-Heating Error
(Resistive temperature only)
| ≤±0.5 °C at 20 to 30 °C (68 to 86 °F);
≤±0.75 °C outside of 20 to 30 °C (68 to 86 °F)
OPERATING ENVIRONMENT
| Operating Temperature | 0 to 50 °C (32 to 122 °F) |
|---|---|
| Operating Humidity | 0 to 100% RH non-condensing (Unit will recover from |
saturation)
HOUSING
| Material | ABS plastic with UL V-0 5VB Flame Class |
|---|---|
| Mounting Holes | US and European junction box |
| Mounting Location | For indoor use only. Not suitable for wet locations. |
WARRANTY
| Limited Warranty | 1 year |
|---|
COMPLIANCE INFORMATION
Agency Approvals| EMC Conformance: Low Voltage Directive 2014/35/EU, EMC
Directive 2014/30/EU
---|---
- Humidity sensor measurement uncertainty should include accuracy, hysteresis, temperature coefficient, and stability.
0-5V/0-10V MODELS, TEMPERATURE TRANSMITTER
4-20 mA MODELS, TEMPERATURE TRANSMITTER
4-20 mA MODELS, THERMISTOR
ORDERING INFORMATION
DIMENSIONAL DRAWING
- 800.354.8556
- +1 503.598.4564
- sales@veris.com
- intl@veris.com
- veris.com
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