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  Name SKU Description Category
Testo 0628 0109 Comfort Level Probe with Stand and a Telescopic Handle Measuring Range: 0 to +120° F 0 to +1000 fpm Accuracy ±0.5° F ±(6 fpm +4% of rdg) 32 in. telescopic handle Test Leads & Probes
Testo 0628 9992 Type K Surface probe for cooking surfaces (grills, etc.) Probe with PTFE standing area Temperature max 230° C Cooking surfaces, heating and baking trays Metal protection hose Test Leads & Probes
Testo 0632 1240 Ambient CO2 Probe w/Plug-in Head and Connection Cable for 950/650/400/330 Meters Ambient CO probe For 950/650/400/330 measuring instrument Measuring range: 0 to 1 volume percent CO2, 0 to 10000 ppm CO2 Accuracy: +/-(50 ppm CO2 +/-2 percent of mv) (0 to +5000 ppm CO2), +/-(100 ppm CO2 +/-3 percent of mv), (+5001 to +10000 ppm CO) Test Leads & Probes
Testo 0632 1260 Dual Wall Clearance Probe for O2 Supply Air Measurement Dual wall clearance probe For O2 supply air measurement Test Leads & Probes
Testo 0632 1535 Humidity, CO2, and Temperature Probe for HVAC and Indoor Air Quality Meters Measuring Range: 32 to +122° F 0 to +100% RH 0 to +10000 ppm CO2 +240 to +460 H2O Accuracy ±0.5° F ±2% RH (+2 to +98% RH) ±(50 ppm CO2 ±2% of mv)(0 to +5000 ppm CO2) ±(100 ppm CO2 ±3% of mv) (+5001 to +10000 ppm CO2) ±2 H2O Test Leads & Probes
Testo 0635 0545 Lux probe for measuring Light Intensity with HVAC and IAQ meters Accuracy to DIN 5032, part 6: f1 = 6% = V(Lambda) adjustment f2 = 5% = cos-like weighting Lux 0 to +100000 Test Leads & Probes
Testo 0635 1025 Hot-wire probe with a telescopic handle 32" telescopic handle Ø probe head 7.5 mm Measuring range 0 to +4000 fpm ± (6 fpm +5% of rdg.) 0 to 65.5 ft/s 0 to +20 m/s -4 to 158° F -20 to +70° C Test Leads & Probes
Testo 0635 1535 Temperature, Air Velocity and Humidity probe with a telescopic handle Measuring Range: -4 to +158° F 0 to +100% RH 0 to +4000 fpm Accuracy ±0.5° F ±2% RH (+2 to +98% RH) ±(6 fpm +4% of rdg.) 0.5 in. Ø with telescopic handle (max. 29 in.) Test Leads & Probes
Testo 0635 9335 Vane Velocity probe with 2.36 in. diameter and Telescopic handle Ø 2.4 in. 36 in. telescopic handle Measuring range: +50 to +4000 Accuracy ±(20 fpm +5% of rdg.) Test Leads & Probes
Testo 0635 9535 Vane Velocity Measurement Probe with a Telescopic Handle Ø 0.6 in. 35 in. telescopic handle Measuring range: +118 to +8000 Accuracy ±(40 fpm +1.5% of rdg.) Test Leads & Probes
Testo 0636 9735 Duct humidity / temperature probe for 435 HVAC and IAQ meters Measuring Range: -4 to +160° F 0 to +100% RH Accuracy ±0.5° F ±2% RH (+2 to +98% RH) 0.5 in. Ø probe tip Test Leads & Probes
Testo 0636 9736 Plug-in Humidity Probe Head for wireless handles Humidity probe Measuring range: -20 to +70° C 0 to +100% RH Test Leads & Probes
Testo 0638 1645 Absolute pressure probe, 0 to +2000 hPa Range, +/- 5 hPa Accuracy Absolute pressure probe 1.5m Cable length Measuring range: 0 to 2000 hPa Accuracy: +/-5 hPa (0 to +2000 hPa) Test Leads & Probes
Testo 0638 1741 Stainless Steel Low Pressure probe, -1 to +10 bar Range, 7/16" UNF Screw-in Thread Low pressure probe Refrigerant-proof stainless steel Measuring range: -1 to 10 bar 7/16" UNF screw-in thread Accuracy: +/-1 percent of fsv Test Leads & Probes
Testo 0638 1742 Oil Pressure Probe with 2.9m Cable for Refrigeration System Analyzers Oil pressure probe to monitor the oil level With 2.9 m cable, refrigerant and oil resistant For 556/560/570 Refrigeration System Analyzers Measuring range: 0 to 25 barrel Accuracy: 1.5 percent of fsv Test Leads & Probes
Testo 0638 1835 Absolute pressure probe Absolute pressure probe 1.5m Cable length Measuring range: 0 to 2000 hPa Accuracy: +/-5 hPa (0 to +2000 hPa) Test Leads & Probes
Testo 0638 1841 Stainless Steel High Pressure Probe, 7/16" UNF Screw-in Thread High pressure probe Refrigerant-proof stainless steel 7/16" UNF screw-in thread Accuracy: +/-1 percent of fsv Accuracy: +/-1 percent of fsv Test Leads & Probes
Testo 0638 1847 Absolute pressure probe, 0 to +2000 hPa Range, +/- 5 hPa Accuracy Absolute pressure probe 1.5m Cable length Measuring range: 0 to 2000 hPa Accuracy: +/-5 hPa (0 to +2000 hPa) Include quick-closing coupling (M8 x 0.5), magnet for fast attachment Test Leads & Probes
Testo 0638 1941 Stainless Steel High Pressure Probe, 7/16" UNF Screw-in Thread, High pressure probe Refrigerant-proof stainless steel 7/16" UNF screw-in thread Accuracy: +/-1 percent of fsv Accuracy: +/-1 percent of fsv Test Leads & Probes
Testo 0638 2041 Stainless Steel High Pressure Probe, 7/16" UNF Screw-in Thread, High pressure probe Refrigerant-proof stainless steel 7/16" UNF screw-in thread Accuracy: +/-1 percent of fsv Accuracy: +/-1 percent of fsv Test Leads & Probes