high accuracy digital thermometers & Calibrating software

ASL F900 Primary Standards Resistance Bridge

The worlds primary standards resistance bridge.

The Model F900 is designed specifically for resistance thermometry to provide you with the best possible accuracy.

Accuracy: 20ppb (+/- 5 micro K)

ASL F18 Primary Standards Resistance Bridge

The F18 includes a wide range of features specifically tailored for temperature metrology.

Accuracy: 0.1ppm (+/- 25 micro K)

ASL F650 Precision Bench Top Digital Thermometer

Accuracy: 1ppm over full range, typically ±0.25mK at 0.01C
Resolution: 0.1ppm / 0.001m Ohm/ 0.01mK.

ASL F500 Precision Bench Top Digital Thermometer

Accuracy: ±0.005°C, ±5mK, over the full range (Typically ±0.001°C, ±1mK, at 0.01°C)
Resolution: 0.001°C /0.0001°C
Temperature ranges: -200°C to +962°C

25R & 100R Internal reference resistors (user or auto selectable)

Platinum Resistance Thermometer Probes

Full range of probes for use in every application, from standards calibration to site temperature measurement.

Precision External Standards Reference Resistors

A range of Reference Test Resistors  such as Wilkins type for use as an external reference resistor when calibrating Platinum Resistance Thermometers using precision A/C & DC Thermometry Bridges.

Dostmann DDM 1000 Precision Bench Top Digital Thermometer

Accuracy:10mK (Pt100)

Resolution:0.1mK

Dostmann DDM1000HRL High Resolution Precision Bench Top Digital Thermometer

Accuracy: 0.3mK (Pt100)

Resolution: 0.02mK

Dostmann DDM900

Precision Bench Top Digital Thermometer

2 Channels, option of up to 8 internal channels.

Accuracy: ±10/15mK (5mK over -50C..250C, 7mK with Pt500)

Resolution: 1mK, optional 0.1mK

Different models for different Ro PRT's (Pt25/100/500/1000).

Dostmann T4200 Bench Top Digital Thermometer

Accuracy: +/- 10mK (5mK over -50C...+250C)

Resolution: 0.001°C

Two versions for Pt25 & Pt100 thermometers.

Memory function: 125KB or optional 512KB

ASL F252 Bench Top Digital Thermometer

Accuracy: +/-0.01°C over the full range.
Resolution: 0.001°C / 0.0001 Ohms.
Temperature ranges: -200°C to +962°C.
Display update rate: 500ms to full instrument performance.

ASL F200 Bench Top Digital Thermometer

2 or 8 channel models, 3 or 4 wire Prt's

Accuracy:0.01°C

Resolution:0.001°C

ASL F100 Hand Held Digital Thermometer

Accuracy:0.02°C

Resolution:0.001°C

Supplied with re-chargeable battery & charger.

Various Pt100 un calibrated & calibrated probes available.

Other optional extras available.

ASL F100 Digital Thermometer Sets

Two F100 sets are available, call us on 01767 692692 to request details.

This is a cost saving way to purchase additional items.

Dostmann T905 Bench Top Digital Thermometer

The T905 Bench Top Instrument for Pt100, thermocouple types J, K, L, N, R, S, T.

• Measuring Range: -200°C to + 1760°C

• Accuracy: +/- 0.1°C

• Resolution: 0.1°C

• RS232 Digital output

• 0-1VDC Analogue output

• Integrated sensor calibration.

Dostmann T955 Bench Top Digital Thermometer

The T955 Bench Top Instrument for Pt100 & thermocouple types J, K, N, L, R, S, T, Humidity & Airflow.

• Measuring Range : -200°C to +1760°C

• 0-100% rH

• 0-40m/s

• Accuracy +/-0.03°C

• +/-1.5% rH

• +/-0.5m/s

Dostmann T995 Bench Top Thermometer for 4 wire Pt100 probes.

Integrated calibration function (acc. EN60751  up to 14 data pairs).

2 Measuring channels for Pt100 Probed

Measuring range:-200°C...+850°C

Accuracy: +- 0.015°C from -50°C to 199.99°C, otherwise +/- 0.025%

Resolution: 0.001 (-200°C to +200°C) 0.01 remaining range.

Data Memory: Approx 6000 measurements.

Interface: USB (Cable supplied)

Dostmann P795 High Precision/Resolution Hand Held Digital Thermometer with USB Interface.

2 Channels for 4 wire Pt100 probes.

Accuracy:0.015°C (-50C ..+199.99°C) otherwise 0.025%

Resolution: 0.001°C. (0.01°C above +199.99°C)

Memory with real time clock of about 6000 measurements (Data stored in .dbf files for easy exporting to spread sheets such as Excel.

"Smart probes" available (calibration data stored in EE Prom within the probe handle).

Calibration(probe linearisation) by CVD, EN60751, data pairs, or 2 line hex code.

Easy to use software for probe calibration data management or on line monitoring in numerical & graphical formats.

Humpage Technology Caliso Temps Automated Temperature Calibration Software

Consists of 2 separate programs:

Laboratory Interface to connect your instruments and carry-out your calibration.

Wide range of manufacturers hardware is supported, including web- cam support for equipment such as LIG thermometers, or digital indicators which have no digital interface.

Builder to analyse data, perform calculations & also design your own calibration certificates.