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Sauermann Si-TH4 wireless temperature-hygrometer (psychrometer) probe - 28145
Item #:
SAU-28145
Brand:
Sauermann
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28145 Si-TH4 wireless temperature-hygrometer (psychrometer) probe by Sauermann
This wireless psychrometric probe provides accurate indoor and outdoor temperature and hygrometry measurements to work on air conditioning, refrigeration and heat pump installations.
The Si-TH4 calculates dry and wet bulb temperatures quickly and easily, using a flexible probe with a sliding magnet for convenient positioning. It connects easily to the Si-RM350 and Si-RM450 manifolds, as well as to the mobile application Sauermann Pilot.
| Temperature | Humidity | |
| Type of sensors | CMOS | CMOS |
| Measuring range | -20 to 60°C (-4 to 140°F) | 0 to 100%RH |
| Accuracy* | -20 to 0°C (-4 to 32°F): ±0.3°C (0.6°F) 0°C to 60°C (32 to 150°F): ±0.5°C (0.9°F) |
±2 %RH (from 15°C to 25°C and from 10 to 90 %RH) ±5 %RH (from 15°C to 25°C and from 0 to 10 %RH and from 90 to 100 %RH) Temperature dependence: ±0.04 x (T-20)%RH (if T<15°C or T>25°C) |
| Available units | °C, °F | %RH |
| Resolution | 0.1°C, 0.1°F | 0.1%RH |
| Response time T90 | 60 s | 60 s |
| Probe | ||
| Power supply | 3x LR03 AAA 1.5 V alkaline batteries | |
| Battery life | 50 h @ 20°C / 68°F | |
| Wireless frequency | Range frequency from 2402 MHz to 2480 MHz with a transmission power of 8 dBm. | |
| Wireless range | Range between manifold and wireless probes up to 100 m (328 ft). App connection: depends on smartphone radio strength, range up to 100 m (328 ft). | |
| Compatibility | Smartphone minimum required versions: Android 11.0, iOS 15, BLE 5.0** | |
| Storage temperature | From -20 to 50°C (-4 to 122°F) | |
| Environmental conditions of use | In non-condensing condition Altitude: from 0 to 2000 m (0 to 6561’) Non-corrosive gases | |
| European directives | 2011/65/EU RoHS II; 2012/19/EU WEEE; 2014/53/EU RED | |
