For Si-RM350 and Si-RM450 manifolds
This wireless pressure probe provides accurate high and low-pressure measurements for air conditioning, refrigeration and heat pump installations.
The Si-RP4 allows all types of refrigerant-based installations to be serviced quickly and safely. It connects easily to the mobile application Sauermann Pilot via a low-power wireless communication protocol.
A1 / A2L / A2 / A3 refrigerants compatible
Compatible with some B1 refrigerants, see list of refrigerants for details on which refrigerants are compatible. The device must not be used with ammoniac refrigerant (NH3 / R717).
Measure details
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Unitsbar, MPa, kPa, psi

Measuring ranges
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Pressure-1.00 bar ... 60.00 bar
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Pressure-14.00 PSI ... 870.00 PSI

Technical details
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ParametersPressure
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IP ProtectionIP 54
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Battery life150 hours
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Standards2011/65/EU RoHS II2012/19/EU WEEE2014/53/EU RED
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Wireless connectionYes
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Power supply3x LR03 AAA 1.5 V alkaline batteries
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Connections
1x 1/4 FFL female
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Refrigerant databaseA1, A2L, A2 and A3 refrigerants compatible

Instrument Dimensions
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LengthWidthHeightWeight
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7 inches , 178 mm1 1/2 inches , 37.7 mm1 13/16 inches , 45 mm7/16 pounds , 200 g

Operating temperature
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MinMax
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-20.00 °C50.00 °C
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-4.00 °F122.00 °F

Storage temperature
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MinMax
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-20.00 °C50.00 °C
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-4.00 °F122.00 °F