Dual Channel Water Transmitter with Dual 4-20 mA Outputs NEMA 4X Enclosure and USB Upgradable
The 3‑9950‑2 is a field-mount dual-channel SmartPro® transmitter (90-260 VAC) with 2 × isolated 4-20 mA, supporting flow, pH/ORP, cond/res, pressure, level, DO via S³L / frequency / 8058 iGo®--NEMA 4X, USB upgradable.
Mixes two same/different Signet sensors on one unit; derived functions (Sum/Δ/Ratio) and advanced Boolean relay logic drive RO/DI, chemical dosing, neutralization, scrubber, and batch loops without a separate PLC--scale via Relay/Modbus/Cond modules. AC-powered version suits plants with 120/240 VAC panels.
| Parameter | Specification |
|---|---|
| Model / MFR # | 3-9950-2 (Code: 159 001 842) |
| Product Type | Dual‑Channel Universal Transmitter / Controller |
| Mounting Type | Panel Mount (1/4 DIN) |
| Power Supply | AC: 100‑240 VAC, 50‑60 Hz, 24 VA max |
| Sensor Inputs | 2 channels: Digital (S³L) or Frequency (0.5‑1500 Hz) |
| Standard Outputs | Two passive 4‑20 mA outputs (base unit) |
| Accuracy | ±0.5% of reading @ 25°C (77°F) |
| Display | Large auto‑sensing backlit LCD with dual bar graphs |
| Housing Material | PBT (Polybutylene Terephthalate) |
| Enclosure Rating | NEMA 4X / IP65 (front face only) |
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.
- PLC Interface Modules
- I/O Systems and Interface Solutions
- Signal Isolators and Signal Converters
- Relays and Relay Modules
- Industrial Power Supply Units
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- Industrial Pumps
- Process Instrumentation
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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.
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