Honeywell RM7840G1014 Relay Module

The Honeywell RM7840G1014 is a high-performance electronic pressure transmitter designed for industrial and commercial applications. It offers precise and reliable pressure measurement with robust construction, making it suitable for demanding environments. This transmitter is widely used in HVAC systems, hydraulic systems, and process control industries due to its accuracy, durability, and ease of integration.

Product Specifications

The following table lists the detailed technical parameters of the Honeywell RM7840G1014:

Product Applications

The Honeywell RM7840G1014 is versatile and used in various industries, including:

• HVAC Systems: Monitoring air and water pressure in heating and cooling systems.

• Industrial Automation: Process control in manufacturing and chemical plants.

• Hydraulic Systems: Pressure monitoring in pumps and fluid control systems.

• Oil & Gas: Downhole and pipeline pressure measurement.

• Water Treatment: Monitoring filtration and pumping systems.

• Aerospace: Cabin pressure and fuel system monitoring.

Product Advantages

The RM7840G1014 stands out due to the following benefits:

1. High Accuracy: ±0.25% full-scale accuracy ensures reliable measurements.

2. Durability: Robust stainless steel or aluminum housing resists harsh conditions.

3. Flexible Outputs: Configurable 4-20 mA, 0-10 VDC, or digital signals.

4. Wide Temperature Range: Operates in extreme temperatures (-40°F to 185°F).

5. Easy Installation: Standard NPT threads and compact design simplify setup.

6. Low Maintenance: Long-term stability reduces recalibration needs.

7. IP65 Protection: Resistant to dust and water ingress.

Frequently Asked Questions (FAQ)

Here are 10 common questions about the Honeywell RM7840G1014:

1. What is the pressure range of the RM7840G1014?

   • It covers 0-100 psi but can be customized for other ranges.

2. What output signals are available?

   • 4-20 mA, 0-10 VDC, or digital (selectable).

3. Is it suitable for outdoor use?

   • Yes, its IP65 rating protects against dust and water.

4. What is the operating temperature limit?

   • It works from -40°F to 185°F (-40°C to 85°C).

5. How do I calibrate this transmitter?

   • Use a precision pressure source and follow Honeywell’s calibration guide.

6. Can it measure corrosive media?

   • Yes, with optional stainless steel wetted materials.

7. What power supply does it need?

   • 12-30 VDC.

8. Is it compatible with PLC systems?

   • Yes, standard 4-20 mA or 0-10 VDC signals integrate easily.

9. What is the response time?

   • Less than 10 milliseconds.

10. Does it require frequent maintenance?

    • No, its long-term stability minimizes recalibration needs.