HT1 RH/Temp Recessed/Wall

Higher Reliability, Faster Installation, Superior Accuracy | Sense the Difference
2% and 3% RH accuracy options
Universal analog output provides 0-5,V, 0-10V, 2-wire or 3-wire 4-20mA
Thermistor outputs for temperature optional
Optional LCD display

  • Fast and attractive installation: mounts easily in standard wall recepticals or order the surface-mount version
  • Low profile installation is ideal for schools and other harsh environments
  • Innovative drywall clamps allow unobtrusive and secure mounting without a junction box
  • Ideal for schools and institutional environments
  • Field calibration with LED or LCD allows easy adjustment of calibrated RH value as needed to maintain certification
  • On-board temperature compensation for RH. Eliminates temperature coefficient errors and achieves an excellent measurement accuracy as well as high repeatability and offset stability.

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The new Senva HT1 Series comes in our newly engineered enclosure making it the most attractive and quickest-installation humidity sensor on the market. Designed with a universal analog output and a variety of thermistor options allows flexibility on-site. It mounts easily in any junction box or it can be unobtrusively mounted directly to drywall using Senva’s built-in drywall clamps. Save installation time and energy costs with this versatile product.

  • Facilitating compliance with ASHRAE 62.1 standard for air quality
  • Indoor air comfort and control in HVAC systems
  • Maintain healthy air quality, minimize mold and other contaminants
  • Museums, hopsitals and other critical environments
  • Offices, conference rooms, and public assembly areas
  • Industrial process control environments

Power Supply

12-30VDC/24VAC (1), 100mA max.

Outputs

RH% and Temperature

3-wire 0-5, 10V (4), or 4-20mA,
2-wire 4-20mA(selectable)

Output scaling

RH%
Temperature

0-100% RH
50-95° F (10-35° C) or 32-122°F (0-50°C)

Thermistor Options

Yes, see ordering table

Media filter

PTFE membrane, IP54 protection

Relative Humidity

Accuracy

Resolution
Hysteresis
Non-Linearity
Temperature coefficient
Response time (2)
Output update rate
Operating range
Long term drift
Normal Operating conditions (3)

2% models: ±2% max 0 to 100% RH
3% models: ±3% max 0 to 100% RH
0.01%RH
±0.8%RH
factory linearized <1%RH
fully compensated by on-board temp sensor
8s
0.5s
0 to 100%RH (non-condensing)
<0.25%RH per year
41 to 140°F (5 to 60°C) @ 20 to 80%RH

Temperature

Accuracy

Resolution
Repeatability
Response time (2)
Temperature Scaling
Output update rate
Operating range

2% models, <±1° C; 0.5° C typ @ 25°C
3% models, <±2° C; 0.5° C typ @ 25°C
0.01° C
0.04° C
2s
50-95°F (10-35° C)
0.5s
-40° C to 140°F (-40 to 60°C)

Environmental

Enclosure Rating
Unit Temp Rating

IP20/NEMA 1
-40° C to 158°F (-40 to 70°C)

Compliance

Agency

CE, RoHS

  1. One side of transformer, secondary is connected to signal common. Dedicated transformer is recommended.
  2. Time for reaching 63% of reading at 25° C and 1 m/s airflow.
  3. Long term exposures to conditions outside normal range at high humidity may temporarily offset the RH reading (+3%RH after 60 hours).
  4. 15-30VDC/24VAC power supply voltage required for 10 volt output. Power consumption 100mA max AC, 50mA Max DC

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