HR Humidity Recessed - Obsolete

Key Points

2% or 3% accuracy
0-5/10V RH/Temp (thermistors optional)
Field-calibration mode for offsets
Durable and attractive low-profile design

Applications

HVAC room humidity and temperature measurement and control
Energy management/building control

The HR series is designed for use in energy management systems in buildings. They combine excellent stability with reliable operation and the digital provision to offset the RH reading +/-5% for in-field calibration. Thermistor options accommodate any installation. All versions also have surface mount trim ring for hard walls, and a metal ring for drywall recess without j-box.

Product improvement is a continuing process at Senva. The following products have been discontinued.

Improved Products.

Product
HR-2A	Room RH 2% RH Accuracy
HR-2B	Room RH/T-Transmitter 2% RH Accuracy
HR-2F	Room RH/T-10KT3 2% RH Accuracy

Type	Title
Technical Reference	Humidity Calibration Certification
Technical Reference	Recessed Wall Sensor Mounting Guide
Manual	HR Humidity Recessed Installation Manual
Datasheet	HR Recessed Wall Humitidy-Temp Datasheet
Cross Reference	HT1R New Product Announcement
Datasheet	Thermistors Datasheet
Product Data	HR Humidity Recessed - Obsolete.pdf

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SPECIFICATIONS
Power Supply		12-30VDC/24VAC (1), 15mA max.
Outputs	RH% and Temperature	3-wire 0-5/10VDC (4) (jumper selectable)
Output scaling	RH%	0-100% RH
Output scaling	Temperature	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	2% models: ±2% max 0 to 100% RH, ±1.5% typ 0 to 80% RH@25°C
	Accuracy	3% models: ±3% max 0 to 100% RH, ±2% typ 0 to 100% RH@25°C
	Resolution	0.01%RH
	Hysteresis	±0.8%RH
	Non-Linearity	factory linearized <1%RH
	Temperature coefficient	fully compensated by on-board temp sensor
	Response time (2)	8s
	Output update rate	0.5s
	Operating range	0 to 100%RH (non-condensing)
	Long term drift	<0.25%RH per year
	Normal Operating conditions (3)	41 to 140°F (5 to 60°C) @ 20 to 80%RH
Temperature	Accuracy	2% models, <±1° C; 0.5° C typ @ 25°C
	Accuracy	3% models, <±2° C; 0.5° C typ @ 25°C
	Resolution	0.01° C
	Repeatability	0.04° C
	Response time (2)	2s
	Temperature Scaling	50-95°F (10-35° C)
	Output update rate	0.5s
	Operating range	-40° C to 140°F (-40 to 60°C)