The Dwyer Series A3000 is designed to function as versatile and highly repeatable pressure switch combined with a precise magnehelic pressure gage.

• English: 0 - 20 kPa
• Accuracy: +/-2% of F.S.
• Service: Air and non-combustible, compatible gases

The Dwyer Series A3000 is designed to function as versatile and highly repeatable pressure switch combined with a precise magnehelic pressure gage.

• English: 0 - 25 kPa
• Accuracy: +/-2% of F.S.
• Service: Air and non-combustible, compatible gases

The Dwyer Series A3000 is designed to function as versatile and highly repeatable pressure switch combined with a precise magnehelic pressure gage.

• English: 0 - 30 kPa
• Accuracy: +/-2% of F.S.
• Service: Air and non-combustible, compatible gases

The Dwyer Series A3000 is designed to function as versatile and highly repeatable pressure switch combined with a precise magnehelic pressure gage.

• English: 0.5 - 0 - 0.5 kPa
• Accuracy: +/-2% of F.S.
• Service: Air and non-combustible, compatible gases

The Dwyer Series A3000 is designed to function as versatile and highly repeatable pressure switch combined with a precise magnehelic pressure gage.

• English: 1.5 - 0 - 1.5 kPa
• Accuracy: +/-2% of F.S.
• Service: Air and non-combustible, compatible gases

The Dwyer Series 4000 is designed to provide a fast and accurate indication of differential pressures and holds the measurable pressure within a capsule allowing it to be used on system pressures up to 500 psig.

• Traceable NIST Included
• English: 0 - 20 Inches of Water
• Accuracy: +/-3% of F.S.
• Service: Air and compatible gases and oil based liquids

The Dwyer DHII-007 Differential Pressure Controller takes all the features of the standard Digihelic pressure controller and packages them in a robust NEMA 4 (IP66) housing.

• English: 0 - 10 Inches of Water
• Accuracy: +/- 0.5% at 77 F
• Application: Air handlers and Clean Rooms
• Service: Air and non-combustible, compatible gases

The Series 641RM Air Velocity Transmitter with Remote Probe features the same highly accurate heated mass flow sensor as the Series 641, with a remote probe construction.

• Accuracy: 3% FS Process gas: 32 to 122 F
• Outputs: 4-20 mA
• Power Requirments: 12 to 35 VDC, 10 to 16 VAC
• Current Consumption: 300 mA max

The Series 641RM Air Velocity Transmitter with Remote Probe features the same highly accurate heated mass flow sensor as the Series 641, with a remote probe construction.

• Accuracy: 3% FS Process gas: 32 to 122 F
• Outputs: 4-20 mA
• Power Requirments: 12 to 35 VDC, 10 to 16 VAC
• Current Consumption: 300 mA max

The Series 641B Air Velocity Transmitter uses a heated mass flow sensor suitable for dirty air flow applications.

• Accuracy: 5% FS process gas: 32 to 122 F
• Outputs: 4-20 mA
• Power Requirments: 12 to 35 VDC, 10 to 16 VAC
• Current Consumption: 300 mA max*

The Series 641B Air Velocity Transmitter uses a heated mass flow sensor suitable for dirty air flow applications.

• Accuracy: 5% FS process gas: 32 to 122 F
• Outputs: 4-20 mA
• Power Requirments: 12 to 35 VDC, 10 to 16 VAC
• Current Consumption: 300 mA max*

The Series AVU Air Velocity Transmitter is ideal for a wide range of HVAC measurement and control applications, particularly in complete building control and energy management systems. The Series AVU Transmitter operates by measuring the heat loss from one of the two sensing elements in the air stream, then calculating the air velocity.

• Accuracy: ±5% of FS
• Outputs: 4-20 mA
• Power Requirments: 24 VDC +10% - 15%
• Current Consumption: 60 mA + output current