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Testo 835-H1 Infrared Thermometer with Moisture Measuring
The Testo 835-H1 infrared thermometer is an advanced 2-in-1 hybrid climate evaluation instrument that combines non-contact thermal mapping with capacitive surface moisture measurement. Uniquely engineered for commercial building auditing, facility management, and HVAC system monitoring, it measures temperature alongside relative humidity and dynamically calculates the dew point matrix. Featuring premium 50:1 optics and an integrated 4-point laser marker, it explicitly defines the measurement area to prevent spatial detection errors over greater distances. It also features a peripheral connection port supporting standard TC Type K contact probes for flexible automated surface emissivity alignment.
Industrial Applications
- Building Diagnosis & Mold Prevention: Fast calculation of critical surface moisture content to localize moisture fields and structural flaws before mold forms.
- HVAC & Ventilation Systems Optimization: Simultaneous tracking of air duct ambient humidity thresholds and surface temperature parameters.
- Industrial Manufacturing Controls: High-precision temperature monitoring of industrially processed materials and component coatings.
Technical Characteristics
| Infrared Measuring Range | -30 to +600 °C |
| Contact Probe Range (TC Type K) | -50 to +600 °C |
| Capacitive Humidity Range | 0 to 100 %RH |
| Infrared Measurement Accuracy | ±1.0 °C (0.0 to +99.9 °C); ±1.5 °C (-20.0 to -0.1 °C); ±2.5 °C (-30.0 to -20.1 °C); ±1% of m.v. for remaining range |
| Humidity Channel Accuracy | ±2 %RH; ±0.5 °C |
| Optical Resolution Ratio (D:S) | Advanced 50:1 distance-to-spot ratio (generates a 10 cm spot size at 5 m distance) |
| Targeting System Array | Integrated high-visibility 4-point laser marker for precise surface bounds |
| Data Logging Capacity | Internal memory storage up to 200 measuring values with custom site routing |
| Display Architecture | Dot-matrix backlit interface screen navigated by user-friendly structural joystick |
| Housing Material Profile | Robust industrial ABS + PC shell casing with an active IP-rating; weight 514 g |
Package Contents
- Testo 835-H1 multi-functional infrared laser thermometer with humidity sensor
- 3 standard AA batteries for immediate outfield hardware implementation
- Factory calibration certificate and technical setup reference guide