Basic Info.
After-sales Service
24 Hours Online
Application
Chemical Instrument, Thermal Power, Mechanical Instrument, Length Instrument, Time Frequency Instrument, Electromagnetic Instrument, Radio Apparatus
Resistance-Temperature Detector (RTD)
Pt100(385)
LCD Display
With LCD Display
Customized Support
OEM ODM
Product Name
Kerui 475 Field Communicator
Material
Stainless Steels
Certification Standards
CE
Application Industry
Power and Chemicals
Transport Package
Cartons and Crates
Product Description
Product Description
The 475 Field Communicator is a handheld device designed for configuring, diagnosing, and maintaining HART® and Foundation Fieldbus (FF) smart instruments in industrial automation. Chinese manufacturers have developed competitive versions of this tool, combining advanced functionalities with cost-effectiveness. These devices are widely used in oil and gas, chemical, power generation, and water treatment industries for real-time device management .
Key Applications:
Configuration and calibration of HART/FF transmitters, valves, flow meters, and temperature sensors.
On-site diagnostics, loop testing, and troubleshooting.
Firmware upgrades and device description (DD) updates via internet or SD cards.
Compatibility with over 1,100 HART and FF devices from 100+ global suppliers
Detailed Photos
Example Models:
HART475MF : A high-configuration model mimicking the Emerson 375 design, supporting HART 5/6/7 protocols and WirelessHART
FLOWLINE Hart 475: Features a 4.8V battery, LCD display, and compatibility with
EJA, and domestic pressure transmitters
Zunxiang 475: Offers intuitive color graphics, EDDL technology, and Windows CE OS for seamless field operations
2. Key Features
2.1 Hardware Design
Robust Build: Designed for harsh environments with IP51-rated casing, anti-static rubber sleeves, and shock-resistant screens (tested for 1m drops onto concrete)
Ergonomic Interface:
3.5-inch Color Touchscreen: Sunlight-readable with auto-backlight adjustment (240x320 pixels)
Large Buttons: Glove-friendly navigation keys for single-handed operation
Battery Life: Rechargeable lithium-ion battery (20-40 hours continuous use) with low-power alerts
2.2 Software Capabilities
Multi-Protocol Support:
HART 5/6/7, WirelessHART, and FF protocols
Compatibility with 1151, 3051, EJA, and domestic transmitters (e.g., Tiankang, Chongqing Weian)
Advanced Diagnostics:
ValveLink Mobile for Fisher FIELDVUE valve testing (e.g., step response, dynamic error bands)
Noise analysis for FF network health checks (DC voltage, signal strength)
EDDL Integration: Graphical data visualization (trends, gauges) for device parameters
2.3 Connectivity & Upgrades
Wireless Options: Bluetooth and IrDA for data transfer to PCs or AMS Device Manager
Convenient Upgrade Tool:
Online updates via internet for DDs, firmware, and licenses, avoiding downtime
SD card compatibility for large-file transfers
PC Compatibility: Works with Windows XP/Vista for configuration backups and printing
3. Selling Points
3.1 Cost-Effectiveness
Lower Pricing: Chinese models (e.g., HART475MF, FLOWLINE 475) are priced 30-50% below imported equivalents (e.g., Emerson 475) while offering similar functionalities
Minimal Maintenance: User-replaceable batteries and modular components reduce lifecycle costs
3.2 Localized Support
Chinese Language Interface: Pre-installed for ease of use in domestic markets
Rapid Delivery: Suppliers like offer nationwide shipping within 1 day
3.3 Customization
OEM Services: Tailored firmware, branding, and protocol extensions (e.g., adding proprietary device support)
Expandable Memory: 32MB RAM + 1GB SD card for future-proof storage
3.4 Safety Certifications
Intrinsic Safety (IS): Compliant with ATEX, FM, CSA, and IECEx standards for hazardous areas
Product Parameters
| Parameter | Specification |
| Model | HART475 (Chinese Version)
HART475 Color Screen |
| Compatibility | HART275, HART375, HART475 protocols; supports 1151, 3051, EJA, and domestic HART devices |
| Display | 128×64 dot matrix LCD (Chinese/English switchable)
Color screen (240×320 pixels) |
| Communication Protocol | HART protocol (Bell 202 standard) |
| Power Supply | Built-in Li-ion battery (3.7V, 3100mAh)
4×AAA batteries (ZH-375) |
| Battery Life | Up to 20 hours (typical) |
| Operating Temperature | -10°C to +50°C
0°C to +50°C (ZH-375) |
| Storage Temperature | -20°C to +50°C (with battery)
-20°C to +55°C (without battery) |
| Dimensions | 230×130×45mm
180×80×30mm (ZH-375)
230×100×33mm (Color Screen) |
| Weight | 0.48kg
0.35kg (Color Screen)
350g (ZH-375) |
| Communication Interface | 3×4mm banana jacks; 1.1m test leads with alligator clips |
| Accuracy | 0.05% F.S. |
| Humidity Resistance | 0-95% RH (non-condensing) |
| Key Features | • Loop monitoring without interrupting 4-20mA signal
• Parameter configuration & diagnostics
• Password protection |
| Standard Accessories | Portable bag, charger, test leads, 250Ω resistor, user manual |
4. Competitive Advantages
4.1 Technical Superiority
Dual-Protocol Mastery: Unlike single-protocol competitors, Chinese 475 models handle both HART and FF devices, reducing the need for multiple tools
Real-Time OS: Windows CE ensures stable performance for complex tasks like valve diagnostics
4.2 User-Centric Design
No-Password Access: Direct menu entry streamlines operations (e.g., HART475MF)
Portable Workbench: Stores 1,000+ device configurations for offline analysis
4.3 After-Sales Service
12-Month Warranty: Coverage for hardware and software issues
Online Authorization: Instant license activation via email, bypassing third-party delays
4.4 Ecosystem Integration
AMS Compatibility: Syncs with Emerson's Asset Management Software for predictive maintenance workflows
5. Market Differentiation
Chinese 475 communicators stand out by balancing high-end features (e.g., Bluetooth, color graphics) with affordability. For instance:
FLOWLINE 475 includes a portable kit (charger, cables, case) at 490-490-550, ideal for SMEs
Zunxiang 475 emphasizes internet-based upgrades, cutting service center dependencies
6. Conclusion
China-made 475 field communicators are redefining industrial handheld tools by merging Emerson-grade functionalities with localized innovation. Their strengths in multi-protocol support, rugged design, and cost-efficiency make them viable alternatives to Western brands, particularly in emerging markets. For detailed specs or supplier contacts, refer to the cited sources
Company Profile
KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters,temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
Packaging & Shipping
The packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.
FAQ
Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.
