Descripción
Testo 635-1 Compact Pro Thermohygrometer
- Connection of 2 plug-in probes and 3 wireless probes
- Measurement of temperature, air humidity, material equilibrium moisture, pressure dewpoint, absolute pressure and U-value
- Display of dewpoint distance, min., max. and mean values Illuminated display
- Protection class IP 54
- Probes sold separately
The testo 635-1 is designed for measuring air moisture, material equilibrium moisture, and pressure dew point in compressed air systems. Up to 3 temperature or humidity probes can be displayed: data transmission is radio-controlled, or wireless, and measurement data can be transmitted by infrared to the Testo printer. It is also possible during cyclical printing to print measurement data at an interval set by the user.
The testo 635-1 immediately displays the dew point difference between ambient air and the wall surface, when analyzing moisture on walls and ceilings.
Testo offers precision probes up to -60°C tpd available to inspect pressure dewpoint in compressed air systems. The humidity sensor developed by Testo has proven itself world-wide and has outstanding performance in precision, long-term stability and temperature resistance.
Manufacturer Specs
| Temperature – NTC | |
| Measuring range | -40° to 302 °F / -40 to +150 °C |
| Accuracy | ±0.4 °F (-13° to 166.8 °F) / ±0.2 °C (-25 to +74.9 °C) ±0.7 °F (-40.0° to -13.2 °F) / ±0.4 °C (-40 to -25.1 °C) ±0.7 °F (167° to 211.8 °F) / ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range) |
| Resolution | 0.1 °F / 0.1 °C |
| Temperature – Type K TC | |
| Measuring range | -328.0° to 2498 °F / -200 to +1370 °C |
| Accuracy | ±0.5 °F (-76° to 140 °F) / ±0.3 °C (-60 to +60 °C) ±(0.4 °F + 0.3 % of mv) (Remaining Range) / ±(0.2 °C + 0.3 % of mv) (Remaining Range) |
| Resolution | 0.1 °F / 0.1 °C |
| Humidity – Capacitive | |
| Measuring range | 0 to +100 %rH |
| Accuracy | See probe data |
| Resolution | 0.1 %rH |
| Absolute Pressure | |
| Measuring range | 0.0 hPa to +800.0 InH₂O / 0 to 2000 hPa |
| Accuracy | See probe data |
| Resolution | 0.0 InH₂O / 0.1 hPa |
| General technical data | |
| Dimensions | 9 x 3 x 2 in. / 220 x 74 x 46 mm |
| Operating temperature | -4° to 122 °F / -20 to +50 °C |
| Housing | ABS / TPE / Metal |
| Warranty | 2 years |
| Battery type | Alkaline, type AA |
| Battery life | 200 h |
| Storage temperature | -22° to 158 °F / -30 to +70 °C |
| Weight | 15 oz. / 428 g |
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