Thomas Scientific Instruments Co.
Thomas Scientific T-N22 Controller Constant Temperature Water Bath

Manufacturer: Thomas Scientific Instruments Co., Ltd.
Model: T-N22
Temperature Controller Unit: 110,000 + Stainless-Steel Water Tank (BM-22): 53,000
This unit-type constant-temperature water bath combines a digital temperature controller with a stainless-steel water tank. In addition, the insulated stainless-steel construction provides excellent heat retention and helps maintain a stable water temperature during operation. The standard stainless-steel tank has a depth of 150 mm. Moreover, users can choose the T-N22D, which offers a deeper 200 mm tank, or the compact T-N22J, which features a smaller 150 mm-deep tank.
- Temperature Control:
The temperature controller uses PID control to maintain precise and stable temperatures. As a result, the system achieves excellent temperature stability within ±0.1°C, allowing users to perform temperature-sensitive applications with greater consistency. - Safety Features:
The system also includes several safety functions to support reliable operation. For example, overheat protection prevents excessive temperature rise, dry-boil protection safeguards the heater when the water level becomes too low, and built-in fuses provide additional electrical protection. - Optional External Circulation:
Furthermore, users can install the optional CP-22 circulation pump to circulate water outside the bath. Therefore, the system can support applications that require external temperature-controlled water circulation. - Optional Lid and Shelf:
When users operate the circulation pump together with a lid and shelf, they need a dedicated lid and shelf designed for the pump configuration. In addition, these dedicated accessories involve an extra cost.
Overall, this unit-type constant-temperature water bath combines precise PID temperature control, excellent heat retention, reliable safety functions, and flexible external circulation options. Therefore, users can select a suitable configuration according to their laboratory, testing, or temperature-control requirements.
Specification
| External dimensions | W520×D390×H320mm |
|---|---|
| Internal dimensions of the tank | W480×D350×H150mm |
| Effective dimensions inside the tank | W400×D350×H150mm |
| Capacity (L) | 20 |
| Temperature range (°C) | Room temperature +5℃ 60℃ (Maximum +80℃, but requires a lid) Lid and shelves are not included. |
| temperature stability | Within ±0.1℃ |
| temperature control | Digital temperature indicator and controller with PID control |
| heater | Sheathed type 1kW (500W x 2) |
| Agitator | Jet agitation method |
| safety equipment | Power fuse, overheat protection, dry-running protection. |
| Material | Inner tank: Stainless steel (SUS-304) Exterior: Steel plate with baked-on paint finish |
| power supply | AC100V 10A 50/60Hz, 2m cord with plug. |
| weight | Approximately 13 kg |
Illustrations

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