Description
🔧 Product Overview
The Yokogawa YHC4150X is a portable handheld HART® communicator designed for commissioning, configuration, calibration, troubleshooting, and maintenance of HART field devices.
It supports HART Universal Commands, Common Practice Commands, and Device Specific Commands, allowing technicians to communicate directly with compatible smart field instruments. Typical applications include pressure transmitters, flowmeters, temperature transmitters, level instruments, and other HART-enabled devices.
The YHC4150X features a backlit graphic display, full alphanumeric keypad, offline configuration functions, configuration cloning, and storage for more than 200 configurations. Its battery operation makes it practical for field service and instrument maintenance work. Yokogawa specifies approximately 60 hours of battery life without the backlight.
⚙️ Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | YHC4150X |
| Series | YHC4150X Series |
| Product Name | Portable Field HART® Communicator |
| Communication | HART® |
| HART Functions | Universal, Common Practice, Device Specific Commands |
| Display | 128 × 128 pixel graphic display, backlit |
| Power Supply | Six AA alkaline batteries / 100–240 VAC adapter |
| Battery Life | Approx. 60 hours without backlight |
| Operating Temperature | -5°C to +50°C |
| Storage Temperature | -40°C to +60°C |
| Dimensions | Approx. 10.375 × 4.25–2.5 × 1.25–1.875 in |
| Weight | Approx. 1.7 lb with batteries |
| Communication Connection | Standard banana jacks |
| Additional Interface | DB-9 serial connection through communication/AC adapter dongle |
| Housing | ABS plastic case with protective boot |
| Hazardous Area Certification | ATEX / cULus Intrinsically Safe versions |
| Product Status | Discontinued |
📌 Main Functions
• Configure and commission HART field instruments
• Poll connected HART devices and read device information
• Perform device-specific setup and adjustment functions
• Support analog trim and loop test functions
• View device error messages and diagnostic information
• Upload, download, and clone instrument configurations
• Store and review field configuration information
• Work in offline mode for configuration preparation and review
• Document as-found and as-left configurations
• Support field replacement by transferring compatible configurations
🔌 HART Connection
The YHC4150X uses two standard banana jacks for HART communication. A HART lead kit and 250 Ω resistor were supplied with the standard configuration. For loops with less than 250 Ω resistance, an additional 250 Ω load resistor may be required for reliable HART communication.
⚠️ Important Compatibility Note
YHC4150X is an older-generation HART communicator and was officially discontinued by Yokogawa on February 18, 2013. The manufacturer’s listed replacement is the YHC5150X. When purchasing a used or surplus YHC4150X, check the installed firmware, device description files, accessories, battery condition, and required HART device revision before deployment.
❓ Common Questions & Answers
Q1: What is the Yokogawa YHC4150X used for?
A: It is a handheld HART communicator used for configuration, commissioning, calibration, troubleshooting, and maintenance of HART-compatible field instruments.
Q2: Can it communicate with non-Yokogawa HART instruments?
A: Yes. The YHC4150X supports HART Universal and Common Practice commands and also supports Device Specific Commands through the appropriate device description files.
Q3: What batteries does the YHC4150X use?
A: The standard unit uses six AA alkaline batteries. For Intrinsically Safe versions, only approved battery types should be used.
Q4: How long can it operate on batteries?
A: Yokogawa specifies approximately 60 hours using AA alkaline batteries with the backlight off. Battery life is shorter when the backlight is continuously used.
Q5: Does it require a 250 Ω resistor?
A: Not in every installation. A 250 Ω resistor may be required when the loop resistance is below approximately 250 Ω to establish reliable HART communication.
Q6: Is the YHC4150X still manufactured?
A: No. Yokogawa lists the YHC4150X as discontinued as of February 18, 2013, with YHC5150X listed as its replacement.
Q7: Is the YHC4150X suitable for hazardous areas?
A: Certain YHC4150X versions were available with ATEX and cULus Intrinsically Safe certifications. The exact certification must be verified from the product label and configuration before use in a hazardous location.
Q8: What should be checked before buying a surplus unit?
A: Check the display, keypad, HART communication, battery compartment, communication dongle, test leads, firmware/device-description support, and Intrinsically Safe markings if hazardous-area use is required.
📦 Recommended Yokogawa Models
- YHC5150X HART Communicator
- YHC4100 Portable HART Communicator
- EJX Series Pressure Transmitters
- EJA Series Pressure Transmitters
- EJA-E Series Pressure Transmitters
- YTA Series Temperature Transmitters
- ROTAMASS Series Coriolis Flowmeters
- ADMAG AXF Magnetic Flowmeters
- ADMAG AXG Magnetic Flowmeters
- DY Series Differential Pressure Transmitters
🛠️ Service & Inspection
For a surplus YHC4150X, functional inspection should include power-up testing, LCD/backlight testing, keypad operation, HART communication, configuration menu operation, battery contact inspection, communication dongle testing, and verification of supplied cables and accessories.
For Intrinsically Safe applications, the certification marking and approved battery requirements should be checked before placing the communicator into a hazardous area.
