Product Presentation T12 Thermometer

T12 Contents Introduction Key features and USP Specifications Applications Competitors Target markets Sales Promotion June 2017 © MBW Calibration

T12 Introduction Multi-Channel Reference Thermometer Twelve channel temperature measurement High precision, stability and reproducibility Internal reference resistors PC software for system control and data acquisition Simple to configure and use RS-232 serial interface SCS 17025 calibration option June 2017 © MBW Calibration

T12 USP Fast 12 channel measurement Uncertainties at a level that is neglectible in humidity measurement Can be used as reference bridge as well as scanner for validation work Perfect combination with Dew Point Mirrors through GeckoR2 Live relative humidity calculation Temperature probe information can be stored locally or synchronized with server drive 17025 Calibration in resistance value and/or temperature June 2017 © MBW Calibration

How does it work? Selectable current (0.33 / 0.67 / 1 mA) 4-wire measurement Current +/- Known resistance values on hidden channels Linear fit to measurand A/D value June 2017 © MBW Calibration

How does it work? June 2017 © MBW Calibration

How does it work? June 2017 © MBW Calibration

How does it work? June 2017 © MBW Calibration

T12 Specifications Measuring Ranges Temperature Resistance   -200...800 °C (PRT Pt-100) 0…380 Ω Performance Resolution Accuracy (T12 only) Temperature coefficient for the range of -200…250 °C 0.1 mK ≤ ± 2 mK @ 23 °C (95% confidence level, 1 year) 0.1 mK/ °C June 2017 © MBW Calibration

Why performance from -200 … 250 °C ? Usual range for all our humidity applications Tested by NSAI National Metrology Laboratory, Ireland Input Range 16.8 to 140 Ω Evaluated range. Repeatability 0.000 20 Ω Repeatability 0.5 mK Linearity 0.000 33 Ω Long Term Stability 0.000 12 Ω /year Evaluated at start and end of seven month period, after exposure to temperature extremes (5°C to 40°C). Long Term Stability 0.18 mK/year Temperature Coefficient 0.05 ± 0.001 mK/ °C Based on device exposure from 5°C to 40°C. RMS Measurement Noise 0.000 20 Ω June 2017 © MBW Calibration

History data from MBW lab T12 June 2017 © MBW Calibration

T12 Applications Climatic Chamber Validation part of the IEC 60068 Requires nine sensors for temperature measurement June 2017 © MBW Calibration

T12 Applications Climatic Chamber Validation Combine with dew point mirror for relative humidity values June 2017 © MBW Calibration

T12 Applications Temperature calibration Calibration by comparison Validation of fluid baths June 2017 © MBW Calibration

T12 Applications Ice Point Check your working standard Check your T12 probes Simple, but precise! (<5 mK) June 2017 © MBW Calibration

T12 Maintenance T12: only calibration PRT Calibration using a set of fixed resistors PRT Ice Point Check Internal comparison Internal or external recalibration June 2017 © MBW Calibration

T12 Competitors Fluke (Hart) Blackstack June 2017 © MBW Calibration

T12 Competitors ASL F200 June 2017 © MBW Calibration

T12 Promotion Opportunity Development: Development divisions, validation of sensors and calibration setups Combination with 473 -> Chamber validation June 2017 © MBW Calibration