testo 735-1 - Temperature measuring, instrument, 3-channel
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The testo 735-1 temperature measuring instrument can deal with almost all measuring tasks. That is because the comprehensive selection of optional probes enables reliable temperature measurement in a variety of areas. This means you can for instance use the measuring instrument in chemical laboratories for temperature measurement in aggressive media, for measuring temperature distribution in air conditioning cabinets and refrigerators, for calibrating stationary temperature probes or in the food industry for measuring core temperature. Measure surface, air and core temperature – in up to 6 locations at the same time Whether your work involves core temperatures, surface temperatures or air temperatures – choose the temperature probes that are appropriate for you from our large selection of probes and measure the temperature in up to six locations at the same time with the testo 735-1. The temperature measuring instrument has one probe input for attaching high-precision Pt100 probes and two inputs for attaching fast thermocouple probes of the K, T, J and S types. Take advantage of wireless measurement data transfer by radio as well. The optional radio module means you can receive readings from up to three further optional radio temperature probes on the testo 735-1. The radio probes send the temperature values to the temperature measuring instrument over a distance of up to 20 meters where there are no obstructions. Wireless measurement enables you to avoid damage to cables or hindrances to handling. Accurate temperature measurement with Pt100 temperature probe Pt100 technology enables you to achieve very accurate temperature measurements with the testo 735-1. The high-precision Pt100 immersion/penetration probe (optional) thus achieves system accuracy of up to 0.05 °C with a resolution of 0.001 °C. The temperature measuring instrument is therefore ideally suited to use as a working standard for calibration of stationary temperature probes. The testo 735-1 temperature measuring instrument offers great features and standard-compliant work The testo 735-1 does not just display the temperatures currently being measured. Min./max. and mean values are also shown on the instrument display. When two temperature probes are attached, the temperature measuring instrument calculates the differential temperature and displays this as delta T. In addition, an acoustic alarm sounds when limit values are undershot or exceeded. You are free to define the limit values. The display illumination also enables easy reading of measuring values even in dark surroundings. In addition, the testo 735-1 temperature measuring instrument is waterproof according to protection class IP 65, has been tested in accordance with EN 13485, is HACCP-compliant and has international HACCP certification. Documentation of measurement data on site via the testo fast printer If you need evidence of the measured temperature values, we offer our optional testo fast printer as an accessory for the temperature measuring instrument. You can use this to print out the current temperature values or the min./max. values on site. Use the practical cyclical printing function on the testo 735-1 as well. It not only enables the printout of individual readings, but also of whole series of measurements on the testo fast printer at freely adjustable intervals (for example once a minute). We recommend you use the testo 735-2 version for saving, documenting and archiving measurement data. This temperature measuring instrument also has a reading memory and PC software.
more | (-) Technical data: | |
|---|---|
| Number of channels: | 3 |
| Low limit of temperature range: | -200 °C |
| Upper limit of temperature range: | 1760 °C |
| Measurable parameters: | Temperature |
| Protection type IP: | IP65 |
| Voltage supply: | Battery |
| Width: | 74 mm |
| Depth: | 46 mm |
| Height: | 220 mm |
| EAN Code: | 4029547004384 |
| Mobile instrument: | Yes |
| Display-Typ: | LCD |
| (-) Compliance information: | |
|---|---|
| WEEE obligation: | Yes |
| WEEE registration number: | DE75334352 |
| WEEE brand according to EAR register: | Testo |
| WEEE type of equipment: | Small equipment for use in other than private households only |
- Catalogue-No: 100907351
- Category: Other temperature measuring products
Show all Other temperature measuring products from Testo - Validity: 31.12.2026
- Last Update: 31.12.2025
Accessories:
- 05540188
Radio module 869.85MHz, for measuring, instrument - 05540189
Radio handle for plug-in probe heads,, incl. T/C adapter - 05540447
Plug-in mains adapter, 5 VDC 500 mA,, with European adapter - 06020092
Spare measuring head, TC type K, for, pipe wrap probes - 06020193
Fast-reaction paddle surface probe, TC, type K - 06020293
T/C probe head, T/C Type K, to measure, air/immersion/penetration - 06020393
Fast-action surface probe (TC type K) - 06020394
T/C probe head, T/C Type K, for surface, measurement - 06020593
Flexible, fast-action immersion probe,, TC type K - 06020644
Flexible thermoelectric couple, TC type, K temperature sensor,glass fibre - 06020645
Flexible thermoelectric couple, TC type, K temperature sensor,glass fibre - 06020646
Flexible thermoelectric couple, with TC, type K temperature sensor, PTFE - 06020693
Surface probe Type K - 06020993
Fast-action, angled surface probe, TC, type K - 06021293
Waterproof immersion/penetration probe,, TC type K - 06021793
Robust air temperature probe (TC type K) - 06021993
Surface probe, TC type K, with widened, measuring tip - 06022394
Surface temperature probe, TC Type K,, with telescope - 06022693
Fast-action immersion/penetration probe,, TC type K - 06024592
Temperature probe with clamping bracket,, TC Type K - 06024692
Clamp probe, TC type K, to measure, temperature on pipes Ø15-25mm - 06024792
Magnetic probe, TC type K, for surface, temperatures - 06024892
Surface temperature probe, TC type K,, with magnet - 06025693
Flexible immersion measuring tip, TC, type K, to measure in air/ flue gases - 06025792
Immersion measuring tip (TC plug type K) - 06031993
Waterproof surface probe, with widened, measurement tip - 06091273
Immersion/penetration probe, Pt100 ,, robust, waterproof - 06091773
Efficient, robust air probe, Pt100 - 06091973
Robust, waterproof surface probe (Pt100) - 06092272
Robust stainless steel food probe Pt100 - 06097072
Glass-coated laboratory probe, with, Pt100 temperature sensor - 06140235
Immersion/penetration probe, Pt100 ,, high-precision - 06280020
Temperature probe with Velcro, TC Type K



