Product Details
The Honeywell 51454416-400, also cataloged as the 51454416-400 Pressure Transmitter, operates as a dedicated hardware component for process line pressure sensing and signal conditioning within process control loops.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51454416-400 |
| Brand | Honeywell |
| Origin | USA |
| Operating Temp | -40 to 85 deg C |
| Power Consumption | Loop-Powered (10.5 to 42.4 VDC Loop Limits) |
| Output Signal | 4-20 mA |
| Accuracy | +/- 0.25% of full scale |
| Storage Temp | -55 to 125 deg C |
| Relative Humidity | 0 to 100% non-condensing |
| Vibration Resistance | 20G, 10 to 500 Hz |
| Shock Resistance | 50G, 11 ms |
4-20 mA HART Loop Protocol & Channel Isolation
The sensing assembly conditions piezoresistive element strain into a linear 4-20 mA analog current loop proportional to applied line pressure with +/- 0.25% full-scale accuracy. Internal circuit architecture integrates channel-to-channel isolation between measurement sensing elements and external loop power connections. This suppresses common-mode noise and ground loop interferences while transmitting analog signals across extended two-wire process control loops under heavy mechanical vibration up to 20G.
Frequently Asked Questions
Q: What output signaling range does the 51454416-400 transmitter execute?
A: The device outputs a standard two-wire 4-20 mA analog current loop proportional to applied process pressure across its full measurement scale.
Q: What are the physical environmental limits for vibration and shock?
A: The transmitter housing and internal electronics are rated to withstand mechanical vibration forces up to 20G across 10 to 500 Hz and mechanical shocks up to 50G for an 11 ms duration.
Q: Is external power required for transmitter loop operation?
A: The module functions as a loop-powered device, drawing operating power directly from the 24 VDC nominal field instrument loop circuit.
Field Installation Guidelines
- Mount the transmitter housing securely to process piping or a 2-inch pipe stand to prevent mechanical stress on process connections.
- Thread process connections using standard NPT fittings, ensuring a minimum of 5 full threads of engagement with approved PTFE thread sealant.
- Route field wiring through conduit entries, maintaining drip loops to prevent moisture ingress into the terminal compartment.
- Connect the twisted shielded pair 4-20 mA signal wires to the internal screw terminals, observing correct DC voltage polarity.
- Ground the cable shield drain wire at a single point within the DCS/I/O cabinet ground bar to prevent ground loop offsets.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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