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The Sauermann Si-RP4 Wireless Pressure Probe provides high and low-pressure measurements for air conditioning, refrigeration, and heat pump installations when combined with Si-RM350 or Si-RM450 Digital Manifold.
The Sauermann Si-RP4 Wireless Pressure Probe provides high and low-pressure measurements for air conditioning, refrigeration, and heat pump installations when combined with Si-RM350 or Si-RM450 Digital Manifold.
The Si-RP4 pressure probe features a light, curved design that makes plug-in and handling easier in the field, along with a quick and reliable wireless automatic connection with a range of up to 328 ft. (100 m). It provides real-time readings through a direct connection to the Sauermann Pilot mobile app, while its IP54-rated construction offers protection against dust and rain for dependable jobsite use. The device is also compatible with A1, A2, A2L, and A3 refrigerants, making it suitable for a wide range of HVAC/R applications.
| Measuring Range | From -1 to 60 bar (-14 to 870 psi) |
| Pressure Accuracy | ±0.5% of full scale |
| Available Units | Bar, psi, kPa, MPa |
| Resolution | 0.01 bar/0.1 psi/1 kPa/01 MPa |
| Overload | 65 bar (943 psi) |
| Burst Pressure | 150 bar (2175 psi) |
| Power Supply | From -4 to 122°F (-20 to 50°C) |
| Battery Life | From -4 to 122°F (-20 to 50°C) |
| Wireless Frequency Range | 3 x LR03 AAA 1.5 V alkaline batteries |
| Wireless Range | 150 h @ 20°C/68°F |
| Compatibility | From 2402 MHz to 2480 MHz with a transmission power of 8 dBm. |
| Connections | Smartphone minimum required versions: Android 11.0, iOS 15, BLE 5.0* |
| Operating Temperature | 1/4 FFL female |
| Dimesnions | -4 to 122°F (-20 to 50°C) |
| Weight | 7/16 lb (200 g) |
| Protection | 7" x 1 1/2" x 1 13/16" (178 x 37.7 x 45 mm) |
| Measuring Range | From -1 to 60 bar (-14 to 870 psi) |
| Pressure Accuracy | ±0.5% of full scale |
| Available Units | Bar, psi, kPa, MPa |
| Resolution | 0.01 bar/0.1 psi/1 kPa/01 MPa |
| Overload | 65 bar (943 psi) |
| Burst Pressure | 150 bar (2175 psi) |
| Power Supply | From -4 to 122°F (-20 to 50°C) |
| Battery Life | From -4 to 122°F (-20 to 50°C) |
| Wireless Frequency Range | 3 x LR03 AAA 1.5 V alkaline batteries |
| Wireless Range | 150 h @ 20°C/68°F |
| Compatibility | From 2402 MHz to 2480 MHz with a transmission power of 8 dBm. |
| Connections | Smartphone minimum required versions: Android 11.0, iOS 15, BLE 5.0* |
| Operating Temperature | 1/4 FFL female |
| Dimesnions | -4 to 122°F (-20 to 50°C) |
| Weight | 7/16 lb (200 g) |
| Protection | 7" x 1 1/2" x 1 13/16" (178 x 37.7 x 45 mm) |
