Description
The Honeywell HP970B1015 is a reverse acting, pneumatic humidistat engineered for precise humidity sensing and control in commercial and industrial HVAC systems. Designed for 2-pipe pneumatic control circuits, this single-setpoint humidistat delivers reliable performance across a wide range of building automation and air handling applications.
Key Features
- Reverse acting pneumatic output — increases branch pressure as humidity decreases
- 2-pipe, single-setpoint configuration for straightforward pneumatic circuit integration
- Flexible mounting — installs vertically or horizontally to suit duct or wall applications
- Wide humidity scale range of 65–95% RH for accurate sensing across typical HVAC environments
- 3–15% RH throttling range provides proportional control response
- Compatible with standard 3–15 PSI pneumatic control systems
Specifications
- Model: HP970B1015
- Control Action: Reverse Acting
- Control Type: Pneumatic
- Pipe Configuration: 2-Pipe, Single Setpoint
- Maximum Operating Temperature: 45°F minimum / 125°F maximum
- Maximum Operating Pressure: 25 PSI
- Throttling Range: 3–15% RH
- Scale Range: 65–95% RH
- Mounting Orientation: Vertical or Horizontal
Application
The HP970B1015 is ideal for use in commercial buildings, hospitals, laboratories, and industrial facilities where pneumatic control systems are in place and accurate humidity regulation is critical. Its reverse acting output makes it well-suited for dehumidification control sequences, where a drop in relative humidity should trigger an increase in branch pressure to modulate dampers, valves, or other pneumatic actuators.
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