Reference Thermometers (222-063) are high accuracy PT100 instruments that are supplied with a 5-point UKAS Certificate of Calibration. Each certificate indicates deviations from standards at various check points: -18, 0, 40, 70 and 100 °C.
The Reference thermometers are ideal for comparison checking the calibration and accuracy of other thermometers and probes, when used in conjunction with a stable temperature heat or chill source. The instruments measure temperature over the range of -199.99 to 199.99 °C with a resolution of 0.01 °C and an accuracy of ±0.05 °C.
The units feature a simple on/off push button with open circuit ‘Err’ and low battery indication, when applicable. The Reference Plus thermometer incorporates the additional features of a max/min and hold function.
The Reference thermometers are supplied with a permanently attached, high accuracy probe incorporating a 1/10th DIN PT100 sensor. The probe measures Ø3.3 x 130 mm and is supplied with a one metre PVC lead.
| specification | reference & reference plus thermometers |
| range | -199.9 to 199.9°C |
| resolution | 0.01°C |
| accuracy | ±0.05°C (-30 to 150°C) otherwise ±0.1°C |
| battery | 3 x 1.5 volt AAA |
| battery life | 2000 hours |
| sensor type | PT100 1/10th DIN |
| display | 10mm LCD |
| dimensions | 25 x 56 x 128mm |
| weight | 210 grams |
a UKAS certificate of calibration is included | |
Click here to download Industrial Thermometer Guide
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