Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Product Introduction
When your precision thermal processing equipment experiences frequent temperature overshoot that causes product quality defects, this controller eliminates temperature fluctuations to keep process temperature stable within ±0.5°C of setpoint.
It supports direct connection with all common industrial thermocouple types (J/K/T/E/R/S/B) and Pt100 RTD sensors, with built-in auto-tuning PID function that automatically optimizes control parameters for different thermal load characteristics. Its standard 1/4 DIN panel cutout design allows direct drop-in replacement for most legacy temperature controllers.
WATLOW 997D-11CC-JURG
WATLOW 997D-11CC-JURG
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 997D-11CC-JURG |
| Panel Size | 1/4 DIN (96mm × 96mm) |
| Input Types | Universal: J/K/T/E/R/S/B thermocouple, Pt100 3-wire RTD, 0-10V/4-20mA analog |
| Control Accuracy | ±0.1% of full scale |
| Display Resolution | 0.1°C for temperature below 1000°C, 1°C for high temperature range |
| Output 1 | 25A mechanical relay output for heater control |
| Output 2 | 4-20mA analog retransmission output for remote monitoring |
| Power Supply | 100-240 VAC, 50/60Hz, 15VA maximum power consumption |
| Operating Temperature | 0°C ~ 55°C |
| Panel Protection Rating | IP65 front panel, dust and water splash resistant |
| Communication Protocol | Modbus RTU RS-485 for SCADA system integration |
WATLOW 997D-11CC-JURG
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- Semiconductor Diffusion Furnace Control: Delivers ultra-stable temperature regulation for semiconductor wafer diffusion processes, ensuring temperature uniformity across the entire furnace tube within ±0.3°C.
- **Aerospace Composite Curing Oven: Executes precise ramp-and-soak temperature profile control for composite material curing processes, meeting strict aerospace material quality requirements.
- **Pharmaceutical Lyophilizer Temperature Control: Maintains highly stable temperature control for pharmaceutical freeze-drying processes, meeting GMP traceability and precision requirements.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never route thermocouple signal cables alongside high-power heater cables. The third input channel will pick up electromagnetic interference that causes ±2°C temperature reading fluctuations.
- ⚠️ Bold Warning 2: Skipping the auto-tuning PID calibration after installation will leave you with 15% temperature overshoot. This unit must run a full auto-tuning cycle on the actual thermal load to achieve rated ±0.1% control accuracy.
- ⚠️ Bold Warning 3: Do not use a 10A relay to replace the original 25A heater output contact. The contact will burn out within 3 months under full heater load, leading to uncontrolled overheating of the thermal process.
A composite material manufacturing plant maintenance team once swapped a 997D-11CC-JURG controller and skipped the auto-tuning process. The 18% temperature overshoot during the curing cycle caused 12 composite parts to exceed process temperature limits, resulting in 2 hours of downtime and over $12,000 in scrapped high-value aerospace components.
WATLOW 997D-11CC-JURG
WATLOW 997D-11CC-JURG
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial number against WATLOW’s official part registry, confirm the part number 997D-11CC-JURG matches the factory label, and inspect no damage to the IP65 front panel seal.
- Live Rig Testing: Power the unit with 220V AC input, connect to a calibrated temperature signal simulator, and confirm 2 full hours of stable temperature reading and PID control operation.
- Parameter Testing: Verify temperature reading accuracy stays within ±0.1% of full scale, confirm 25A relay output switches correctly under full load, and validate Modbus RTU communication functions meet factory specifications.
- Final QA & Packaging: Seal the tested controller in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I hot-swap this controller while the thermal process is running? No. You must first switch the heater to manual backup control mode before replacing the unit, otherwise the temperature will drift out of control.
- What exact WATLOW systems is this controller compatible with? It works natively with all WATLOW 997 series accessories, and is fully compatible with standard 1/4 DIN panel cutouts for most legacy temperature controllers.
- How long is the standard warranty for this new surplus unit? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by overvoltage, miswiring, or long-term over 25A heater load operation.
- How do I tell a genuine OEM unit apart from a refurbished clone? Genuine WATLOW 997D-11CC-JURG units have a laser-etched part number on the rear housing, not a printed sticker. Clone units almost always fail the ±0.1% full-scale control accuracy test.
- What is the typical lead time for shipment? In-stock units ship within 48 hours. If you require official WATLOW factory temperature calibration documentation, add 2 extra business days to the turnaround window.
- Can this controller replace the older 997A legacy single-channel temperature controller? Well, technically it fits the same 1/4 DIN panel cutout, but you will need to reconfigure the sensor type, PID parameters and alarm settings to match your existing thermal process requirements.
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