Dwyer 1640-1 Floating Contact Null Switch 0.02-1.0 in. w.c. Range

Product Description

The Dwyer 1640-1 is a floating contact null switch designed for precise control in HVAC applications. This device operates within a range of zero point zero two to one point zero inches of water column. It features an adjustable null span, allowing for flexibility in setting the desired output. Users can set a minimum value of zero point zero two and a maximum of zero point zero six, suitable for various system requirements.

• Supports two set point actions for damper control
• Visible set point indicator aids in operation and troubleshooting
• Large diaphragm ensures low range accuracy for precise control

Product Highlights

This null switch is ideal for applications that require accurate pressure measurement and control. It’s a vital component in maintaining HVAC system efficiency and performance.

Product Information

Standard Information

• Brand: Dwyer
• Part Number: 1640-1

Technical Specifications

• Range: 0.02-1.0 in. w.c.
• Minimum Set: 0.02
• Maximum Set: 0.06
• Type: Floating Contact Null Switch
• Applications: Damper control, pressure measurement