- Wireless signal from remote sensors to base station
- Both channels displayed simultaneously
- Selectable Temperature Unit oC or oF
- Magnetic, wall mounting or free standing fixing base
- Remote Sensors equipped with spring action clips to secure inside
- fridge/freezer or alternative suction cups.
- Audible and Visual Alarm with 15 minute delay
- Licence free frequency
- Low Battery Indicator
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- Accuracy: 0.1 % FS (incl. calibration certificate)
- Data logger with high measuring rate and large memory
- Chart preview directly on the instrument
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- Accuracy up to 0.1 K (complete measuring chain)
- One- and two-channel versions
- Connection possibilities for various probe types
- Intrinsically safe version Ex ib IIB T4 Gb
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- High accuracy of 0.03 K with Pt100
- One- and two-channel versions
- Connection possibilities for various probe types
- Intrinsically safe version Ex ib IIB T4 Gb
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K type sensor. Temp. range: -200°C to +1350°C.
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K type sensor. Temp. range: -200°C to +1350°C.
- Wide temperature range from -200°C to +1350°C for versatile industrial applications
- Type K thermocouple input according to IEC 60584 for fast and robust temperature measurement
- High accuracy of 0.1% of reading ±0.2°C above -100°C
- 2 pin mini connector for simple and proven probe connection
- Long battery life – typically 500 hours
- Rugged housing with protective rubber boot for daily use in demanding environments
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Built for speed, accuracy and performance at an affordable price, the robust 2006T hand-held digital thermometer covers -200°C to +350°C and provides a range of enhanced features to meet the changing demands of both industrial and food environments.
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Built for speed, accuracy and performance at an affordable price, the robust 2024T hand-held digital thermometer covers a range from -196°C to +600°C and provides a range of enhanced features to meet the changing demands of both industrial, food and laboratory environments.
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- Pt100 technology according to IEC 751 for precise and stable temperature measurement
- Temperature range from -196°C to +600°C for laboratory, process and quality applications
- Additional functions including °C/°F switching, Max/Min, averaging and differential input
- High accuracy of ±0.2% of reading ±0.1°C over the range -150°C to +600°C
- Range lock and hold function for secure and repeatable measurements
- Long battery life – typically 500 hours – combined with rugged construction for portable use
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Built for speed, accuracy and performance at an affordable price, the robust 2029T hand-held digital thermometer covers a range from -200°C up to +1600°C and provides a range of enhanced features to meet the changing demands of both industrial, food and laboratory environments.
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- T Type Thermocouple Sensor
- -10°C to +50°C Operating Temperature
- 0.1 from -199.9°C to +199.9°C Resolution
- -250°C to +400°C
- Food Safe Keypad
- Fast Response Display
- Long battery life typically 500hrs
- IP67 waterproof case
- Selectable Auto Switch OFF
- Magnified backlit digital display
- 'Hold' facility
- 2x AA Batteries
- Probes and Acessories
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- 0.1°C or 1°C Resolution
- 0.1°C resolution: 0.2% reading +0.5°C (-50°C to +199.9°C) Accuracy
- -20°C to +50°C Ambient Operating Temperature
- Certified to EEx ia IIC T4
- Tough enclosure, durable
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- Extremely accurate in very low temperature ranges, i.e. cold storage rooms
- Optional connectable temperature sensor and wireless sensor for different applications in the field
- Audible alarm, user-defined thresholds
- HACCP compliant, certified according to EN 13485 for use in the food sector
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Simple, fast and particularly precise temperature measurement with NTC or Pt100 probes (optionally available)
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Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
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HACCP-compliant, certified according to EN 13485 for use in the food sector
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Highly precise measurement results and high system accuracy with digital Pt100 sensors (calibration without measuring instrument)
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- Convenient temperature measurement on refrigeration, air conditioning and heating systems – thanks to wireless connection to your smartphone or tablet
- Fast identification of temperature changes by graphic progression display
- Live data feed integration now available with the MeasureQuick App
- Problem-free application at measuring points that are a long distance apart thanks to Bluetooth® range up to 350 ft.
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- Port for one RTD or NTC sensor
- Wide range of optional sensors for individual requirements
- User-defined thresholds, audible alarm
- Optional accessories for individual adaptation, like protection against aggressive media for use in laboratories
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- Displays, saves, and prints delta T, min, max, and mean values
- Audible alarm when limit values are exceeded
- Protection class IP65
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- Up to 3 connectable and 3 wireless temperature sensors
- Super-size memory for up to 10,000 readings; PC software and USB cable included
- High-precision optional sensor for accuracy of up to 0.09 °F
- IP65 rated (dust/water ingress) HACCP / EN 13485 compliant
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- Quickly and accurately measure air temperature in rooms, ducts, registers, and outlets
- Fast acting temperature probe quickly tracks changes, and shows trends on a graphic display
- Live data feed integration now available with the MeasureQuick App
- Tough, accurate, and easy to use
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Simple, fast and precise differential temperature measurement via dual Type K thermocouple (2 x Type K probes, Class 1 included)
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Fast in-app configuration, graph display, second screen and measurement data storage in the testo Smart App
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Wide range of applications thanks to the large measuring range from -50 °C to 1000 °C
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Wide selection of optional probes and compatible with standard Type K thermocouple probes
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Precise Differential Temperature Measurement – Dual thermocouple Type K probes for accurate readings
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Fast and Easy In-App Configuration – Quick setup, graph history, and second screen with the testo Smart App.
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Wide Measurement Range – Measures temperatures from -50 °C to 1000 °C for versatile applications.
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Compatible with Commercial TC Type K Sensors – Large probe selection available to suit various needs.
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Ideal for Industry & Trade – Versatile, compact, and efficient for both professional and industrial environments.
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- Compact and magnetized for fixed or portable use
- Wide backlit display
- Recording up to 1 million points
- Communicating via USB or Bluetooth
- Alarms and recording trigger on alarms
- Battery life of up to 3 years
- IP54 casing
- Data Logger Transfer software with automatic report generation
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- Compact and magnetized for fixed or portable use
- Wide backlit display
- Recording up to 1 million points
- ΔT differential temperature measurement
- Communicating via USB or Bluetooth
- Alarms and recording trigger on alarms
- Battery life of up to 3 years
- IP54 casing
- Data Logger Transfer software with automatic report generation
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- Compact and magnetized for fixed or portable use
- Wide backlit display
- Recording up to 1 million points
- Communicating via USB or Bluetooth
- Alarms and recording trigger on alarms
- Battery life of up to 3 years
- IP54 casing
- Data Logger Transfer software with automatic report generation
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Handheld Temperature Instruments – mobile, precise & versatile
Handheld temperature meters are the flexible solution for service, maintenance, QA and validation—from HVAC/buildings to food/HACCP, pharma/labs, and machine & plant engineering.
Depending on the task they use RTD sensors (Pt100/Pt1000), thermocouples (Type K/J/T/N), or infrared (IR). Features like multi-channel, Min/Max/Hold, logging, alarms and interfaces (USB/Bluetooth/Modbus) simplify documentation and data transfer.
ICS Schneider Messtechnik supports sensor/instrument selection, calibration (ISO/DAkkS), validation, and HACCP/GMP-compliant documentation.
FAQ on Handheld Temperature Instruments
Answers on sensors, accuracy, probes, IR measurement, logging, calibration, HACCP/GMP and integration.
Which sensor types are supported?
| Sensor | Range (typ.) | Advantages | Use |
|---|---|---|---|
| RTD (Pt100/Pt1000) | −200…+600 °C | very accurate, stable | QA/lab, reference |
| Thermocouple (K/J/T/N) | −200…+1 200 °C | robust, fast | service/process, high T |
| IR (pyrometer) | −50…+1 000 °C (typ.) | non-contact, fast | moving/delicate surfaces |
How accurate are handhelds?
Typically ±0.1…0.3 K (RTD) or ±0.5…1 % of reading / ±1…2 K (TC/IR)—depending on instrument, sensor, calibration and ambient conditions.
What probe types are available?
| Probe | Properties | Typical use |
|---|---|---|
| Immersion | sealed, slim | liquids, baths |
| Surface | flat tip | plates, pipes |
| Air/gas | perforated sleeve | room/duct |
| Needle penetration | pointed, robust | food core temperature |
| Magnetic/clamp | quick to mount | pipes/machine surfaces |
IR or contact—what’s better?
IR is fast/non-contact but emissivity-dependent. Contact is robust and traceably more accurate with proper coupling. Often a combination is ideal.
How does response time affect results?
Small probe diameters and good thermal coupling (paste/contact pressure) shorten t63/t90. For IR, the D:S ratio and focus are key.
What does D:S (IR spot size) mean?
Distance-to-spot determines the spot size. The spot must be fully covered by the target, otherwise readings are biased.
Are multi-channel handhelds available?
Yes, 2–4 channels are common (e.g., 2×TC + 2×RTD). Running different probes in parallel supports comparison and validation.
Which functions are important for QA?
Min/Max/Hold, averaging, offset/adjustment, time stamp, alarms, and a logger with export (CSV/PDF).
How does data logging work?
Via internal memory or app/PC software. Typical intervals 1 s…60 min, export via USB/Bluetooth; optional cloud upload.
Food/HACCP—what should I consider?
Use fast penetration probes, smooth/easy-to-clean housings (IP rating), documentation with time/user, and calibration labels.
GMP/pharma—how to ensure valid measurements?
Select instruments with traceable calibration, tamper-proof reports, user/audit functions and a clear measurement chain.
How often should I calibrate?
Rule of thumb annually; for critical applications semi-annually or after shock/overheat. Store certificates in a revision-safe way.
Can I adjust offsets?
Many instruments allow a 1-point offset or multi-point adjustment. Document and seal changes (QA).
What IP ratings/form factors exist?
Handhelds typically IP54…IP67. Rubber guards, bumpers and hands-free mounts improve field usability.
Rechargeable or battery-powered?
Both exist. Check runtime, charge time, auto-off, and spare batteries for field work.
Typical sources of error?
- Poor coupling → improve paste/contact pressure
- Wrong ε (IR) → set emissivity, add matte reference spots
- Heat bridges → insulate, avoid drafts
- Wrong spot size → observe D:S
How do I link the handheld to software?
Via USB, Bluetooth or RS-485/Modbus. Export as CSV/PDF; integrate into SCADA/cloud via a gateway.
Are pre-configured sets useful?
Yes: instrument + matching probes (e.g., air/surface/penetration) + calibration saves time and prevents mis-purchases.
Do you support selection & validation?
Yes. We advise on instrument/probe, provide calibration certificates, help with IR setup (ε/D:S) and with logging/report configuration.
Can handhelds measure differential temperature (ΔT) or averaging?
Many multi-channel models offer ΔT between probes and statistical functions (mean/min/max). Useful for heat-exchanger checks, validation and trend analysis.