Description
WATLOW ANAFAZE CLS204 204-11000AL: Precision Temperature Control for Tight Spaces
You know how frustrating it is when your control panel’s packed tighter than a Tokyo subway? That’s exactly where this little WATLOW shines. From my experience troubleshooting cramped semiconductor tool cabinets, the ANAFAZE CLS204’s 1/16 DIN footprint (just 48x48mm!) saves engineers real estate without sacrificing performance. One thing I appreciate is how it handles dual-loop control in applications like medical incubators – you’ll typically get 0.1°C stability even when ambient temps swing during summer heatwaves.
Why Engineers Keep This in Their Toolkit
- •Space-saver design – Fits where competitors won’t; ideal for retrofitting legacy equipment like aging injection molders
- •USB programming port – Skip the clunky software dongles; we’ve seen maintenance teams cut setup time by 40% during night shifts
- •Adaptive tuning – Handles tricky loads like vacuum furnace elements that change resistance over time (a real headache in sintering processes)
- •Modbus RTU standard – Plays nice with existing SCADA systems; no proprietary gateway needed like some European brands
Technical Snapshot
| Brand/Model | WATLOW ANAFAZE CLS204 204-11000AL |
| HS Code | 8537.10.0090 (Programmable controllers) |
| Power Requirements | 100-120VAC ±10%, 50/60Hz (20VA max) |
| Dimensions & Weight | 48x48x100mm / 280g (with mounting clips) |
| Operating Temp | 0°C to 50°C (derate above 40°C) |
| I/O Types | Thermocouple (J/K/T), RTD (Pt100), 0-10V analog out |
Where It Earns Its Keep
I’ve seen this model pull double duty in places you wouldn’t expect – like that chocolate tempering line in Belgium where humidity wrecked cheaper controllers. It’s become the go-to for applications needing surgical precision in confined spaces: semiconductor wafer annealing tools, bioreactor jackets, and even specialty coffee roasters (yes, really – one client told us their $20k espresso machine demanded better temp control than their old setup). The dual-loop capability seems to be the unsung hero for processes like reactor jacket/contents coordination.
Your Procurement Team Will Appreciate This
Let’s be real – reliability trumps fancy features when production lines are running. This unit’s mean time between failures (MTBF) of 150,000 hours typically translates to fewer midnight emergency calls. You might notice the Modbus compatibility saves integration costs versus proprietary systems, and the 365-day warranty covers you through that critical first production cycle. One minor quirk: the USB port’s on the side, so leave 25mm clearance during installation. Oh, and if your panel’s crowded, skip the optional front bezel – we’ve had customers lose 10 minutes of panel space that way.
Keeping It Running Smoothly
Mount it in standard 1/16 DIN cutouts (IEC 60721-3-3 compliant panels), but watch the ventilation – leave at least 10mm top/bottom clearance in control cabinets. From experience, the biggest mistake I’ve seen is routing power and sensor wires in the same conduit; keep them separated to avoid noise issues. Do quarterly visual checks for dust buildup (compressed air works fine), and update firmware when WATLOW releases patches – that last update fixed a rare thermocouple drift issue in high-vibration environments.
Peace-of-Mind Credentials
- CE marked per EN 61010-1 (safety) and EN 61326-1 (EMC)
- UL 61010-1 recognized (File E103786)
- RoHS 3 compliant (no lead/cadmium)
- 365-day warranty – covers parts/labor (excludes improper installation)
Ordering details: In-stock units ship in 1 week (max 4 weeks for custom calibrations). Payment: 50% advance via wire transfer, balance before FedEx/UPS/DHL dispatch. We batch-ship to reduce your freight costs – last month saved a Wisconsin med-device client $220 on three units.










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