Pressure Differential Transducer Specification and Installation Instructions SPD070-161031-ESA.docx www.neptronic.com Page | 1 Models SPD70-010 SPD70-020 SPD70-050 Description Measures the pressure differential and converts the value to an analog signal (mA or Vdc). Primarily used in conjunction with a controller for bypass damper actuators in VAV systems. Features Small footprint Simple and easy to install Selectable analog output signal range High flow impedance in the range of tens to hundreds of kPa SPD Series Technical Specifications Description SPD70-010SPD70-020SPD70-050 Measurement range 0-1" WC (0-0.25 KPa) 0-2" WC (0-0.5 KPa) 0-5" WC (0-1.25 KPa) Power supply 24 Vac or Vdc (±10%) Power consumption 2 VA Electrical connection 0.8 mm 2 [18 AWG] minimum Pressure connection 1/8" (3.175mm) diameter tube fitting with barb for 3/16 ID tubing Signal outputs 0-10Vdc / 2-10Vdc and 4-20mA / 0-20mA DIP switch selectable Burst pressure 1.5 PSI (10.3 KPa) Operating temperature 0ºC to 40ºC [32ºF to 104ºF] Compensated: 5ºC to 55ºC [41ºF to 131ºF] Storage temperature -40ºC to 80ºC [-40ºF to 176ºF] Humidity 0 to 85%RH (non-condensing) Weight 0.25lbs (112g) Dimensions Overview Recycling at the end of life: please return this product to your Neptronic local distributor for recycling. If you need to find the nearest Neptronic authorized distributor, please consult www.neptronic.com. 2.8" (71.6mm) 1.9" (48.4mm) 1.3" (32.8mm) 2.35" (59.6mm) High Pressure Inlet Low Pressure Inlet Common 24Vac or Vdc input 1 2 3 4 Vdc output mA output 1 2 12 m A V d c ON = 0-20mAON = 2-10Vdc 1 2 OFF = 4-20mAOFF = 0-10Vdc Ø 1/8" (3.175mm) tube fitting with barb for 3/16 ID tubingNext >