Dostmann temperature reference thermometers
For thermocouple sensor calibration of the complete EaziVal system the actual temperature of the Techne Dri-Block® must be accurately known. EaziVal provides multi-point calibration at "high", "low" and "check-point" temperatures with the scale and offset values automatically calculated for each sensor. Using a Dostmann digital thermometer as the UKAS calibrated temperature reference this information can be entered into EaziVal. The calibration results are then stored for reporting.
Two products with the same accuracy are available, the P650 single channel and the T955 dual channel units. Both thermometers are supplied complete with UKAS calibration and both have a maximum and minimum facility which checks the temperature stability in the Techne Dri-Block®.
Dostmann P650 single channel thermometer
The P650 is a single channel, hand held temperature measuring system consisting of a platinum resistance sensor coupled with a high accuracy digital thermometer. The combination of sensor and thermometer is calibrated by a UKAS accredited test house at five temperatures.
- Digital thermometer
- Range -100.00°C to 150.00°C Accuracy ±0.03°C
- Range -200.00°C to 250.00°C Accuracy ±0.05°C
- Resolution 0.01°C
- Dimensions 82mm wide x 200mm high x 40mm deep
- Power supply 9V battery
- Operating ambient 0°C to 40°C
- PT100 sensor The P650 is supplied with a single 1/10 DIN 100Ω sensor in a stainless steel sheath 6mm diameter x 150mm length with 2m PTFC lead. Range: -80°C to 250°C.
- UKAS calibration points 0°C, 100°C, 121°C, 134°C and 150°C
Dostmann T955 dual channel thermometer
The T955 is a two channel, bench mounting temperature measuring system consisting of up to two platinum resistance sensors coupled with a high accuracy digital thermometer. The combination of sensor and thermometer is calibrated by a UKAS accredited test house at five temperatures.
- Digital thermometer
- Range -100.00°C to 150.00°C Accuracy ±0.03°C
- Range -200.00°C to 250.00°C Accuracy ±0.05°C
- Resolution 0.01°C
- Dimensions 200mm wide x 80mm high x 200mm deep
- Power supply 230VAC
- Operating ambient 0°C to 40°C
- PT100 sensor The T955 is supplied with a single 1/10 DIN 100Ω sensor in a stainless steel sheath 6mm diameter x 150mm length with 2m PTFC lead. Range: -80°C to 250°C.
- UKAS calibration points 0°C, 100°C, 121°C, 134°C and 150°C
Annual re-calibration
The Dostmann temperature reference thermometers requires an annual re-calibration and issue with a new UKAS certified calibration certificate.
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