Distrelec and RS have joined forces, providing you with a broader range of products, local support and expertise – we are stronger together.
Distrelec and RS have joined forces, providing you with a broader range of products, local support and expertise – we are stronger together.
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Environmental Test Probes

Our range of air, penetration and surface probes offers a variety of options for catering and scientific applications. Environmental test probes are typically used to measure variables such as temperature, air flow, humidity, pressure or light levels. With the high quality equipment in our range, you can ensure optimal conditions with a high level of accuracy and data logging. Air probes measure the temperature of an air flow. Temperature probes are often used in storage or production rooms to monitor the environmental conditions and may include humidity sensors and Wi-Fi capabilities.
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Price
Manufacturer
Temperature Sensor
Test Probe Functions
Probe Configuration
Measuring Temperature Max.
Measuring Temperature Min.
Response Time
Length
Diameter
Cable Length
Other Measuring Ranges
Suitable for
New to us
Temperature Probe, Penetration, Pt100, 100mm, -100 ... 250°C 304-04-646 3482433Temperature Probe, Penetration, Pt100, 100mm, -100 ... 250°C
CHF 59.13 (Exc. Vat)
Per piece
CHF 59.13
RS PROPt100TemperaturePenetration250 °C-100 °C10 s100 mm3.3 mm2 m--
New to us
Temperature Probe, Penetration, Type K, 100mm, -100 ... 250°C 304-04-644 3428855Temperature Probe, Penetration, Type K, 100mm, -100 ... 250°C
CHF 50.56 (Exc. Vat)
Per piece
CHF 50.56
RS PROType KTemperaturePenetration250 °C-100 °C3.6 s100 mm6 mm2 m--
New to us
Temperature Probe, Immersion, Pt100, -50 ... 250°C 304-73-073 SE012Temperature Probe, Immersion, Pt100, -50 ... 250°C
CHF 90.20 (Exc. Vat)
Per piece
CHF 90.20
Pico TechnologyPt100TemperatureImmersion250 °C-50 °C-150 mm4 mm2 m--
New to us
Temperature Probe, Air, 41mm, -50 ... 105°C 303-90-776 1241079Temperature Probe, Air, 41mm, -50 ... 105°C
CHF 16.32 (Exc. Vat)
Per piece
CHF 16.32
RS PRO-TemperatureAir105 °C-50 °C-41 mm6 mm1.5 m--
New to us
Smart Ventilation Probe Kit with Bluetooth, Air, NTC, -30 ... 250°C 301-76-759 0563 0003 10Smart Ventilation Probe Kit with Bluetooth, Air, NTC, -30 ... 250°C
CHF 461.32 (Exc. Vat)
Per piece
CHF 461.32
TestoNTCAir Velocity ...Air250 °C-30 °C----Air Velocity: 0 ... 30 m/s-
Offer
Temperature Probe, Waterproof, Penetration / Immersion, NTC, -50 ... 150°C 176-66-134 0613 1212Temperature Probe, Waterproof, Penetration / Immersion, NTC, -50 ... 150°C
CHF 73.92 CHF 86.96 (Exc. Vat) Save 15%
Per piece
CHF 73.92
CHF 86.96
TestoNTCTemperaturePenetration ...150 °C-50 °C10 s115 mm5 mm1.2 m-110
Offer
CO2 Probe Head, Air, NTC, 0 ... 50°C 301-05-571 0632 1550CO2 Probe Head, Air, NTC, 0 ... 50°C
CHF 374.14 CHF 467.68 (Exc. Vat) Save 20%
Per piece
CHF 374.14
CHF 467.68
TestoNTCCO2 Concentration ...Air50 °C0 °C-130 mm30 mm-CO2: 0 ... 10000 ppm440
Temperature Probe Kit, Surface / Immersion / Air, Type K, 1100°C 304-05-590 3429151Temperature Probe Kit, Surface / Immersion / Air, Type K, 1100°C
CHF 139.24 (Exc. Vat)
Per piece
CHF 139.24
RS PROType KTemperatureSurface ...1100 °C----2 m--
Hot Wire Probe, Air, -20 ... 60°C 304-04-539 2207279Hot Wire Probe, Air, -20 ... 60°C
CHF 105.19 (Exc. Vat)
Per piece
CHF 105.19
RS PRO-Air Flow ...Air60 °C-20 °C-325 mm--Air Velocity: 0 ... 30 m/s-
Temperature Probe, Air, 15mm, -30 ... 80°C 303-90-777 1241080Temperature Probe, Air, 15mm, -30 ... 80°C
CHF 16.32 (Exc. Vat)
Per piece
CHF 16.32
RS PRO-TemperatureAir80 °C-30 °C-15 mm6 mm1.5 m--
Vane Probe Head, 16mm, Air, NTC, -10 ... 70°C 301-05-587 0635 9570Vane Probe Head, 16mm, Air, NTC, -10 ... 70°C
CHF 646.91 (Exc. Vat)
Per piece
CHF 646.91
TestoNTCAir Velocity ...Air70 °C-10 °C-230 mm16 mm-Air Velocity: 600 mm/s ... 50 m/s400 ...
Temperature Probe, Immersion, 48mm, -60 ... 150°C 303-91-450 1241082Temperature Probe, Immersion, 48mm, -60 ... 150°C
CHF 22.38 (Exc. Vat)
Per piece
CHF 22.38
RS PRO-TemperatureImmersion150 °C-60 °C-48 mm6 mm1.5 m--
Temperature and Humidity Probe, Air, NTC, -30 ... 70°C 302-24-321 0572 2155Temperature and Humidity Probe, Air, NTC, -30 ... 70°C
CHF 273.61 (Exc. Vat)
Per piece
CHF 273.61
TestoNTCTemperature ...Air70 °C-30 °C---1.3 mHumidity: 0 ... 100%Saveris 2-H2
Smart Mould Detection Probe Kit with Bluetooth, Air / Surface, NTC, -30 ... 250°C 301-76-761 0563 0005 10Smart Mould Detection Probe Kit with Bluetooth, Air / Surface, NTC, -30 ... 250°C
CHF 220.58 (Exc. Vat)
Per piece
CHF 220.58
TestoNTCAir Humidity ...Air ...250 °C-30 °C----Humidity: 0 ... 100%-
Smart Temperature and Pressure Probe Kit with Bluetooth, Air / Surface, NTC, -40 ... 250°C 301-76-760 0563 0004 10Smart Temperature and Pressure Probe Kit with Bluetooth, Air / Surface, NTC, -40 ... 250°C
CHF 304.36 (Exc. Vat)
Per piece
CHF 304.36
TestoNTCTemperature ...Air ...250 °C-40 °C----Differential Pressure: -15 ... 15 kPa-
Smart AC and Refrigeration Probe Kit with Bluetooth, Air / Surface, NTC, -40 ... 150°C 301-76-758 0563 0002 41Smart AC and Refrigeration Probe Kit with Bluetooth, Air / Surface, NTC, -40 ... 150°C
CHF 586.46 (Exc. Vat)
Per piece
CHF 586.46
TestoNTCAir Humidity ...Air ...150 °C-40 °C----Humidity: 0 ... 100%-
Pressure Probe with Bluetooth, -1 ... 60bar 301-76-755 TESTO 549IPressure Probe with Bluetooth, -1 ... 60bar
CHF 92.26 (Exc. Vat)
Per piece
CHF 92.26
Testo-Pressure-------Gauge Pressure: -1 ... 60 bar400 ...
Clamp Temperature Probe with Bluetooth, Surface, NTC, -40 ... 150°C 301-76-754 TESTO 115IClamp Temperature Probe with Bluetooth, Surface, NTC, -40 ... 150°C
CHF 80.60 (Exc. Vat)
Per piece
CHF 80.60
TestoNTCTemperatureSurface150 °C-40 °C-183 mm---400 ...
Smart AC and Refrigeration Probe Kit with Bluetooth, Air / Surface, NTC, -40 ... 150°C 301-73-833 0563 0002 10Smart AC and Refrigeration Probe Kit with Bluetooth, Air / Surface, NTC, -40 ... 150°C
CHF 349.97 (Exc. Vat)
Per piece
CHF 349.97
TestoNTCAir Humidity ...Air ...150 °C-40 °C----Humidity: 0 ... 100%-
Vane Probe, 16mm, Air 301-05-586 0635 9532Vane Probe, 16mm, Air
CHF 335.12 (Exc. Vat)
Per piece
CHF 335.12
Testo-Air VelocityAir---330 mm16 mm1.7 mAir Velocity: 600 mm/s ... 50 m/s400 ...
Hot Wire Probe, Air, NTC, -20 ... 70°C 301-05-575 0635 1032Hot Wire Probe, Air, NTC, -20 ... 70°C
CHF 267.25 (Exc. Vat)
Per piece
CHF 267.25
TestoNTCTemperature ...Air70 °C-20 °C-315 mm9 mm1.7 mAir Velocity: 0 ... 30 m/s440
CO2 Probe with Bluetooth, Air, NTC, 0 ... 50°C 301-05-572 0632 1551CO2 Probe with Bluetooth, Air, NTC, 0 ... 50°C
CHF 579.03 (Exc. Vat)
Per piece
CHF 579.03
TestoNTCCO2 Concentration ...Air50 °C0 °C-130 mm30 mm-CO2: 0 ... 10000 ppm440
Clamp Temperature Probe, Surface, NTC, -40 ... 125°C 301-05-566 0615 5505Clamp Temperature Probe, Surface, NTC, -40 ... 125°C
CHF 57.27 (Exc. Vat)
Per piece
CHF 57.27
TestoNTCTemperatureSurface125 °C-40 °C60 s--1.5 m-440
Temperature Probe, Air, NTC, -50 ... 125°C 176-66-142 0613 1712Temperature Probe, Air, NTC, -50 ... 125°C
CHF 89.08 (Exc. Vat)
Per piece
CHF 89.08
TestoNTCTemperatureAir125 °C-50 °C60 s115 mm5 mm1.2 m-435
Offer
Bead Temperature Probe, Surface, Type K, -50 ... 285°C 302-57-552 P03652906Bead Temperature Probe, Surface, Type K, -50 ... 285°C
CHF 82.12 CHF 93.32 (Exc. Vat) Save 12%
Per piece
CHF 82.12
CHF 93.32
Chauvin ArnouxType KTemperatureSurface285 °C-50 °C--1 mm1 m-CA 1821 ...