+GF+ 3-2751-1 - pH-ORP-Detect/EasyCal-One-Touch-Calib - PBT DryLoc 15ft Cable Inline Smart pH ORP Sensor Electronics
Submersible DryLoc® pH/ORP Smart Electronics (J-Box Version)
The 3‑2751‑1 is the submersible junction‑box variant of Signet's 2751 pH/ORP electronics, processing electrode millivolt into isolated 4-20 mA (12-24 VDC) or digital S³L (5-6.5 VDC) for direct PLC or 9900/9950 tie‑in. Compatible with all DryLoc pH/ORP electrodes, pH -1…15 / ORP ±2000 mV, NEMA 4X, ≤ 305 m cable.
Automation Role – Probe Health & EasyCal
Enables broken‑glass/high‑Z diagnostics, memory‑chip calibration transfer, auto pH/ORP detect, ATC via Pt1000. Typical applications: WW neutralization, scrubber, plating, pool/spa. DryLoc® hot‑swaps electrodes without rewiring—audit‑ready 24/7.
Product Specifications: +GF+ Signet 3‑2751‑1
| Parameter |
Specification |
| Model / Part No. |
3‑2751‑1 (Mfr No. 159 001 804) |
| Product Type |
In-line pH/ORP Smart Sensor Electronics (Preamplifier) |
| Output Signals |
Digital (S³L) or 4‑20 mA (two‑wire loop) |
| Power Supply |
12‑24 VDC (±10%) for 4‑20 mA; 5‑6.5 VDC for S³L |
| Compatible Instruments |
Signet 9900, 9950, and 0486 Profibus Concentrator |
| Connector Type |
Patented DryLoc® with gold‑plated contacts |
| Housing Material |
PBT (yellow body) with polypropylene retaining nut |
| Operating Temperature |
0°C to 85°C (32°F to 185°F) |
| Standard Cable Length |
4.6 m (15 ft), 3‑conductor shielded |
| Key Features |
Auto‑configuration for pH/ORP, glass impedance & broken glass detection, memory chip interface |
Packaging & Shipping
Company Introduction
Xiamen Zhicheng Automation Technology Co., Ltd. is a professional supplier of industrial automation products and solutions, dedicated to providing reliable, cost-effective, and high-performance products to customers worldwide.
With extensive experience in industrial automation and process control, we specialize in supplying a comprehensive range of automation components for industries such as oil & gas, power generation, petrochemical, water treatment, manufacturing, and industrial infrastructure.
Our Main Products
- PLC Interface Modules
- I/O Systems and Interface Solutions
- Signal Isolators and Signal Converters
- Relays and Relay Modules
- Industrial Power Supply Units
- Control Valves and Actuators
- Industrial Pumps
- Process Instrumentation
Why Choose Us
- Professional industrial automation supplier
- High-quality products with competitive pricing
- Fast response and technical support
- Reliable supply chain and stable product availability
- Customized solutions for industrial applications
- Global export experience and customer-oriented service
We are committed to helping customers improve operational efficiency, system reliability, and process performance through dependable automation products and professional support.
Whether you are an end user, system integrator, engineering contractor, or distributor, Xiamen Zhicheng Automation Technology Co., Ltd. is ready to become your trusted partner in industrial automation.
