Description
The Testo 635-2 is a high-precision thermohygrometer and moisture meter designed for professional building climate analysis, industrial process monitoring, and HVAC commissioning. This instrument features advanced memory management, USB data transfer, and multi-probe compatibility for simultaneous measurement of air humidity, material moisture, and pressure dew point.
Technical Specifications:
Model: 635-2
Manufacturer: Testo SE & Co. KGaA
Sensor Compatibility: NTC, Type K/J Thermocouples, Capacitive Humidity Sensors
Temperature Measuring Range: -200 to +1370 °C (Probe Dependent)
Humidity Measuring Range: 0 to 100 %RH
Absolute Pressure Range: 0 to 2000 hPa
Resolution: 0.1 °C / 0.1 %RH / 0.1 hPa
Accuracy (System): ±0.2 °C / ±2 %RH
Memory Capacity: Up to 10,000 measurement values
Data Interface: USB interface for PC connectivity
Software: ComSoft Professional for data analysis and archiving
Power Supply: 1.5V AA batteries or optional mains unit
Battery Life: Approx. 200 hours (without backlight/radio)
Housing Material: ABS / TPE / Metal
Protection Class: IP54
Dimensions: 220 x 74 x 46 mm
Weight: 428 g
Operational Features:
Technical Compatibility: Supports up to 3 radio probes and 2 plug-in probes simultaneously.
Original Engineering: German-engineered sensor technology ensures long-term stability and resistance to condensation.
Measurement Modes: Cyclic printing, timed mean calculation, and multi-point mean calculation.
Material Moisture: Integrated characteristic curves for wood and building materials (UGL logic).
Industrial Application:
In large-scale pharmaceutical warehousing, maintaining specific equilibrium moisture content is critical for product stability. The Testo 635-2 allows technicians to identify dew point violations and moisture ingress in building envelopes before structural damage occurs. Its high-density data logging capability is essential for ISO 9001 compliance and environmental auditing.
Logistics and Availability:
Condition: New, Original Equipment
Lead Time: Immediate dispatch available from stock
Package Includes: Instrument, calibration protocol, and battery set.
Key Attributes
Type: Thermohygrometer
Place of origin: Germany
Model number: 635-2
Brand name: Testo
Customized support: OEM, ODM
Warranty: 1 years
Product name: Testo
Model: 635-2
Temperature - NTC range: -40° to 302 °F / -40 to +150 °C
Temperature - Type K TC range: -328° to 2498 °F / -200 to +1370 °C
Humidity - Capacitive range: 0 to +100 %rH
Absolute Pressure Measuring range: 0 to 2000 hPa
Dimensions: 9 x 3 x 2 in. / 220 x 74 x 46 mm
Housing: ABS / TPE / Metal
Battery type: Alkaline, type AA
Packaging and Delivery
Selling Units: Single item
Single package size: 36X23X19 cm
Single gross weight: 2.300 kg
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