DTF Triple Point of Water Maintenance Bath
The DTF triple point of water maintenance bath is an automatic freezing system composed of a refrigerated temperature calibration bath and a water triple point cell holder. It features a refrigeration unit with low noise, high reliability, and long service life. A high-precision temperature controller enables fully automatic freezing and storage, ensuring compact structure, easy operation, and intuitive bath temperature readings. This system is ideal for metrology, biochemical, petroleum, meteorology, energy, environmental protection, pharmaceutical industries, as well as manufacturers of thermometers and temperature controllers for physical parameter testing. Additionally, it provides a stable temperature source for other experimental research applications.
Product characteristics
3-in-1 Bath：
Supports auto-freezing; integrates TPW freezer, TPW bottle storage, and refrigerated bath.
Full Lifecycle Sensor Management：
Supports create, delete, update, read, and copy functions.
Built-in High-Precision Measurement：
Standard 6½/7½ digit modules (optional); resolution ≥ 0.0000001℃.
4-Wire RTD Current Reversal Technology:
Enables multi-point calibration and correction for minimal deviation.
Multi-Point Self-Correction:
Set multiple calibration points at once with one-click auto-calibration.
Real-Time Process Monitoring:
Displays electrical data, temperature status, progress, runtime, and countdown.
Technical Parameters
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Model |
DTF-CT01SG |
DTF-CT30SG |
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Control style |
Intelligent touch screen |
Intelligent touch screen |
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Temp range |
-10 to 105 ℃ |
-30 to 105℃ |
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Temp stability |
±0.005 ℃ / 10 min @0℃ |
±0.005 ℃ / 10min @0℃ |
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Temp uniformity |
≤ 0.01 ℃ |
≤ 0.01 ℃ |
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Freezing time |
≤ 120 min |
≤ 120 min |
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Storing time |
≥ 6H |
≥ 6H |
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Working media |
L15N-95-R |
L35N-95-R |
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Working area |
Φ130×480 |
Φ130×480 |
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Bath volume |
18.5L |
18.5L |
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Freezing number |
1~3 piece |
1~3 piece |
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Refrigerant |
R404a |
R404a |
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Total power |
2 kW |
2 kW |
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External dimensions |
660（L）×540（W）×1120（H）（mm） |
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