D8M-R1

Solid State Pressure Sensors D8M Solid State Pressure Sensors with Pulse or Frequency Outputs Compact housing measures 30L x 30W x 12.4H mm. Accept 4 mm OD tubing (D8M-R1); 6 mm OD tubing for D8M-D82. Chemical-resistant plastic (PBT) body. Metal shield mounted version (D8M-D82) available. IP40 enclosure rating for embedded applications. Ordering Information Operating pressure Output signal Output frequency Power supply Withstand pressure Model range voltage 0 to 4.9 kPa Pulse count, 2.2 to 3.4 VDC with 19.6 kPa (2.84 psi) for 5 D8M-D82 (0 to 0.71 psi) 1 pulse/9.81 Pa regulator minutes (1/0.0014 psi) 0 to 196.13 Pa Frequency, 80 to 300 kHz 4.2 to 5.5 VDC with 3 kPa (0.435 psi) for 10 D8M-R1 (0 to 0.028 psi) 1 kHz/9.81 Pa regulator seconds (1 kHz/0.0014 psi) Solid State Pressure Sensors D8M 41Specifications Electrical Ratings Item D8M-D82 D8M-R1 Power supply voltage 2.2 to 3.4 VDC with regulator 4.2 to 5.5 VDC with regulator Current consumption 100 mA 5% at 3 VDC 10 mA max. Leakage current 1 mA or less 1 mA or less Output pulses 80 to 300 kHz Output resolution 1 pulse/9.81 Pa 1 kHz/9.81 Pa Operating characteristics 0 kPa = 30 pulses 0 Pa = 180 100 kHz; 0.15 kPa = 45 30 pulses Incremental change from 0 value: 2 kPa = 204 15 pulses 49.03 Pa = 5 0.9 kHz 4 kPa = 438 46 pulses 73.55 Pa = 7.5 1.0 kHz 147.10 Pa = 15 0.8 kHz 196.13 Pa = 20 1.4 kHz (Note) Note: Values measured during and after testing. Operating Characteristics Item D8M-D82 D8M-R1 Pressure range 0 to 4.9 kPa (0 to 0.71 psi) 0 to 196.13 Pa (0 to 0.028 psi) Withstand pressure 19.6 kPa for 5 minutes 3 kPa for 10 seconds Repeatability/hysteresis 0.5% FS 0.5% FS Non-linearity characteristics 2% FS max. 2% FS max. Response time 1.5 ms (pressure) 3 seconds max. 30 ms max. (switch) 45 ms (discharge) Operating temperature -10 to 60 C -20 to 70 C (Note) Storage temperature -20 to 70 C -30 to 80 C (Note) Operating humidity 25 to 95% 25 to 95% Note: With no icing or condensation. Environmental Characteristics Item D8M-D82 D8M-R1 Insulation resistance 100 M min., 250 VDC between lead terminals and the base Dielectric strength 250 VAC, 50/60 Hz for 1 minute 500 VAC, 50/60 Hz for 1 minute between lead terminals and the base between terminals and the base Degree of protection IP40 IP40 Pressure port 6 mm OD 4 mm OD Connection method Three AWG26 wires, 115 mm long Wiring connector on bottom Material PBT (polybutylene terephthalate) 42 Solid State Pressure Sensors D8M