Dwyer Instruments Series 3000 Photohelic Pressure Switch Gauge Model 3020

Dwyer Instruments Series 3000 Photohelic® Pressure Switch/Gage Model 3020

The Dwyer Instruments Series 3000 Photohelic® Pressure Switch/Gage Model 3020 is a versatile and reliable device designed for monitoring and controlling air and compatible gas pressures. Combining the functionality of a precise pressure gage with highly repeatable pressure switches, this instrument is ideal for applications requiring accurate pressure measurement and control.

Key Features

• Dual Functionality: Integrates a pressure gage and two adjustable pressure switches in a single unit, allowing for both monitoring and control.
• High Accuracy: Provides an accuracy of ±2% of full scale at 70°F (21.1°C), ensuring precise pressure readings.
• Adjustable Setpoints: Features easy-to-use knobs on the face of the gage for setting high and low pressure limits.
• Robust Construction: Built to withstand pressure limits from -20″ Hg to 25 psig (-0.677 to 1.72 bar), with options for higher pressure ratings.
• Wide Temperature Range: Operates effectively within a temperature range of 20 to 120°F (-6.67 to 48.9°C), with a low-temperature option available.
• Electrical Versatility: Equipped with two Form C relays (DPDT) per setpoint, rated at 10A @ 28 VDC or 10A @ 120/240 VAC, suitable for various control applications.
• Compliance and Safety: Meets CE, CSA, and UL standards, ensuring adherence to international safety and performance requirements.

Specifications

• Service: Air and non-combustible, compatible gases.
• Range: 0-20 inches of water column (w.c.).
• Process Connections: 1/8″ female NPT.
• Size: 4″ (101.6 mm) dial face; overall dimensions 5″ (127 mm) O.D. x 8-1/4″ (209.55 mm).
• Weight: Approximately 4 lb (1.81 kg).
• Power Requirements: 120 VAC, 50/60 Hz; options for 240 VAC and 24 VAC power are available.

The Dwyer Series 3000 Photohelic® Pressure Switch/Gage Model 3020 is an essential instrument for applications requiring precise pressure monitoring and control, offering reliability and ease of use in a compact design.