Product Description
The SENVA HT1D-3EUD is a duct humidity and temperature transmitter. Designed for engineers and field technicians, it combines stability with reliable operation, offering 3% RH accuracy. It features a standard LCD and field-replaceable elements for easy installation and service.
Versatile
Easy to maintain
Superior RH sensing
Quality
Product Highlights
Ideal for HVAC, museums, hospitals, offices, and industrial process control, ensuring air quality and comfort with a focus on minimizing contaminants.
Product Information
Standard Information
Brand : SENVA
Manufacturer Part Number : HT1D-3EUD
Country of Origin : USA
Technical Specifications
Sensor Element
10K Type 2 Thermistor
Power Requirements
24 VAC,24 VDC
Application
Humidification,Dehumidification,Supply,Discharge,Return Air,Economizers,Clean Rooms,Data Centers,Process Control,Schools,Hospitals,Office Buildings
Power Supply
24VAC, 100mA max./12-30VDC, 50mA max
Outputs
3-wire 0-5/10V(4) or 2-wire 4-20mA
Output scaling RH
0-100%RH
Temperature
32-122 F (0-50oC) or-40-140 F (-40-60oC)
Accuracy (2% models)
2% over 0 to 100% RH Range; 1.5% typ
Accuracy (3% models)
3% over 0 to 100% RH Range; 2% typ
Non-Linearity
Factory linearized < 1% RH
Temperature coefficient
Fully compensated by the onboard sensor
Operating range
0 to 100% RH (non-condensing)
Longterm drift
< 0.25% RH per year
Normal Operating Conditions (3)
41 to 140 F (5 C to 60 C) @ 20% to 80% RH
Accuracy (Temperature 2% models)
< 0.25 C; 0.1 C typ @ 25 C
Accuracy (Temperature 3% models)
< 0.3 C; 0.25 C typ @ 25 C
Resolution (Temperature)
0.01 C
Response time (Temperature)
2s
Operating range (Temperature)
-40 to 140o F (-40 to 60 C)
Materials
ABS/Polycarbonate
Unit Temp Rating
-40 to 158o F (-40 to 70o F)
Enclosure Rating
Nema 1; Add drain holes to enclosure bottom to achieve Nema 3R rating
Temeprature Scaling
32-122 F (0-50 C) or -40-140 F (-40 to 60 C) (jumper)
Temeprature Element
10K Type II Thermistor
Media filter
PBT with water-vapor permeable membrane
Relative Humidity Accuracy
3% models, 3% max 0 to 100%RH; 2% typ 0 to 100% RH @25 C
Relative Humidity Resolution
0.01%RH
Relative Humidity Hysteresis
0.8%RH
Relative Humidity Non-Linearity
factory linearized <1%RH
Relative Humidity Temperature coefficient
fully compensated by on-board temp sensor
Relative Humidity Response time
8s
Relative Humidity Output update rate
0.5s
Relative Humidity Operating range
0 to 100%RH (non-condensing)
Relative Humidity Long term drift
<0.25%RH per year
Relative Humidity Operating conditions
41 to 140 F (5 to 60 C) @20 to 80% RH
Temperature Accuracy
3% models, < 0.3 C; 0.25 C typ @ 25 C
Temperature Resolution
0.01 C
Temperature Repeatability
0.4 C
Temperature Response time
8s
Temperature Output update rate
0.5s
Temperature Operating range
-40 to 140 F (-40 to 60 C)
Enclosure Materials
ABS/Polycarbonate
Dimensions
4.0"h x 4.4"w x 2.1"d (+6.8" probe)
Temperature Element
10K Type II
Enclosure
Plastic Box Enclosure
Output Signal
4-20mA, 0-5 VDC, or 0-10 VDC