Solid State Pressure Sensors D8M Solid State Pressure Sensors with Analog, Pulse or Frequency Outputs • Compact housing measures 30L x 30W x 12.4H mm. • Accept 4 mm OD tubing (D8M-A1, -R1); 3 mm OD tubing for (D8M-D1, -D2), 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. • Pre-wired and PCB mounting models available. Ordering Information Operating pressure range Output signal Output frequency Power supply voltage Withstand pressure Model 0 to 4.9 kPa (0 to 0.71 psi) Analog, 15 to 1247 mV -- 2.2 ±0.1 VDC 58.8 kPa (8.53 psi) for 3 D8M-A1 minutes 0 to 5.88 kPa (0 to 0.85 psi) Pulse count, 1 pulse/9.81 Pa (1/0.0014 psi) -- 2.2 to 3.4 VDC with regulator 58.8 kPa (8.53 psi) for 3 minutes D8M-D1 0 to 5.88 kPa (0 to 0.85 psi) Pulse count, 1 pulse/9.81 Pa (1/0.0014 psi) -- 2.2 to 3.4 VDC with regulator 58.8 kPa (8.53 psi) for 3 minutes D8M-D2 0 to 4.9 kPa (0 to 0.71 psi) Pulse count, 1 pulse/9.81 Pa (1/0.0014 psi) -- 2.2 to 3.4 VDC with regulator 19.6 kPa (2.84 psi) for 5 minutes D8M-D82 0 to 196.13 Pa (0 to 0.028 psi) Frequency, 1 kHz/9.81 Pa (1 kHz/0.0014 psi) 80 to 300 kHz 4.2 to 5.5 VDC with regulator 3 kPa (0.435 psi) for 10 seconds D8M-R1 Solid State Pressure Sensors D8M 1 Specifications ■ Electrical Ratings Item D8M-A1 D8M-D1 D8M-D2 D8M-D82 D8M-R1 Power supply voltage 2.2 ±0.1 VDC 2.2 to 3.4 VDC with regulator 2.2 to 3.4 VDC with regulator 2.2 to 3.4 VDC with regulator Current consumption 2.5 mA max. 25 mA max. 25 µA 100 mA ±5% at 3 VDC 10 mA max. Load resistance 1 MΩ min. -- -- -- -- Output resistance 500 Ω max. -- -- -- -- Leakage current 1 mA or less 1 mA or less 1 mA or less 1 mA or less 1 mA or less Output voltage 15 to 1247 mV -- -- -- -- Output pulses -- -- -- -- 80 to 300 kHz Output resolution (Note 1) 1 pulse/9.81 Pa 1 pulse/9.81 Pa 1 pulse/9.81 Pa 1 kHz/9.81 Pa Output voltage rate of change with resistance load change 1 MΩ or more into 30 -kΩ is made within 2.5% -- -- -- Output voltage by input pressure 0.98 kPa = 261 mV 1.96 kPa = 508 mV 3.73 kPa = 951 mV 4.9 kPa = 1247 mV (Note 1) -- -- -- -- Operating characteristics ±62 mV initial 4.2 to 5.5 VDC with regulator -- -- -- -- ±37 mV during test and after 0 kPa = 30 pulses 0.59 kPa = 60 ±32 pulses 1.96 kPa = 200 ±24 pulses 3.73 kPa = 380 ±24 pulses 5.39 kPa = 530 ±82 pulses (Note 2) 0 kPa = 30 pulses 0.59 kPa = 60 ±32 pulses 1.96 kPa = 200 ±24 pulses 3.73 kPa = 380 ±24 pulses 5.39 kPa = 550 ±82 pulses (Note 2) 0 kPa = 30 pulses 0.15 kPa = 45 ±30 pulses 2 kPa = 204 ±15 pulses 4 kPa = 438 ±46 pulses 0 Pa = 180 ±100 kHz; Incremental change from 0 value: 49.03 Pa = 5 ±0.9 kHz 73.55 Pa = 7.5 ±1.0 kHz 147.10 Pa = 15 ±0.8 kHz 196.13 Pa = 20 ±1.4 kHz (Note 2) ±62 mV temperature influence -- -- -- -- Note: 1. Output voltage (mV) = Supply voltage V (2.2) x (2.464 x Pressure (kPa)/9.8 x 1000 + 15) 2. Values measured during and after testing. ■ Operating Characteristics Item D8M-A1 D8M-D1 D8M-D2 D8M-D82 D8M-R1 Pressure type Gauge Pressure range 0 to 4.9 kPa (0 to 0.71 psi) 0 to 5.88 kPa (0 to 0.85 psi) 0 to 5.88 kPa (0 to 0.85 psi) 0 to 4.9 kPa (0 to 0.71 psi) 0 to 196.13 Pa (0 to 0.028 psi) Withstand pressure 5.88 kPa for 3 minutes 58.8 kPa for 3 minutes 58.8 kPa for 3 minutes 19.6 kPa for 5 minutes 3 kPa for 10 seconds Repeatability/hystersis ±0.5% FS ±0.5% FS NA ±0.5% FS ±0.5% FS Non-linearity characteristics -- -- -- ±2% FS max. ±2% FS max. Response time 3.0 ms 2.5 ms (pressure) 18 ms max. (switch) 100 ms (discharge) 3 ms (pressure) 32 ms max. (switch) 250 ms (discharge) 1.5 ms (pressure) 30 ms max. (switch) 45 ms (discharge) 3 seconds max. Operating temperature (Note) -30° to 70°C -30° to 70°C -30° to 70°C -10° to 60°C -20° to 70°C Storage temperature (Note) -40° to 80°C -40° to 80°C -40° to 80°C -20° to 70°C -30° to 80°C Operating humidity 25 to 95% 25 to 95% 25 to 95% 25 to 95% 25 to 95% Note: With no icing or condensation 2 Solid State Pressure Sensors D8M ■ Environmental Characteristics Item D8M-A1 D8M-D1 D8M-D2 D8M-D82 D8M-R1 Insulation resistance 100 mΩ min., 250 VDC between lead terminals and the base Dielectric strength 250 VAC, 50/60 Hz for 1 minute between lead terminals and the base Degree of protection NA IP40 IP40 IP40 IP40 Pressure port 4 mm OD 3 mm OD 3 mm OD 6 mm OD 4 mm OD Connection method Solder on PC boards Wiring connector on top Wiring connector on top Three AWG26 wires, Wiring connector on 115 mm long bottom Weight NA NA NA Material PBT (polybutylene terephthalate) NA 500 VAC, 50/60 Hz for 1 minute between terminals and the base NA Operation ■ Response Timing Charts ■ Interface Circuit Diagram D8M-D1, D2, D82 D8M-R1 Model D8M-D1 D8M-D2 D8M-D82 T1 2.5 ms min. 3.0 ms min. 1.5 ms min. T2 18 ms max. 32 ms max. 30 ms max. T3 100 ms min. 250 ms min. 45 ms max. Legend: T1, Pressure measurement time T2, Response time T3, Electrical discharge time D8M-R1 Response time to 90% of 0.2kPa Max. 3 seconds (excluding time for pressure change) Application Examples Compact D8M solid state pressure sensors provide reliable detection for gas and air inflow for burner controls in water heaters, furnaces and other gas-fired devices. They can also be used in gas usage meters. Solid State Pressure Sensors D8M 3 Dimensions Unit: mm (inch) ■ D8M-A1 17.7 (0.70) 30 (1.18) 23 (0.92) ±0.2 10.1 (0.40) 5 (0.20) 2 (0.08) 1.6 (0.06) 4.4 (0.17) 4 (0.16) OD Two 3.2 (0.13) dia. mounting holes 30 (1.18) 18.8 (0.74) 18.6 (0.73) 23 (0.92) ±0.2 LOT NUMBER TYPE NAME 11.6 (0.46) 2 (0.08) 7 (0.28) Two, 1.5 (0.06) dia. standoff pins Three, 0.635 (0.025) square terminal leads 4 (0.16) OD Two, 3 (0.12) dia. Mounting Holes (Top View) Terminal Arrangement (Top View) GND VOUT VCC 10.7 (0.42) 15.6 (0.61) ±0.01 23 (0.91) ±0.1 Two, M3 holes 5.08 (0.20) 5.08 (0.20) ■ D8M-D1 4 Solid State Pressure Sensors D8M 23 (0.91) ±0.1 ■ D8M-D2 ■ D8M-D82 Solid State Pressure Sensors D8M 5 ■ D8M-R1 17.7 (0.70) 30 (1.18) 10.1 (0.40) 23 (0.91) 5 (0.20) 2 (0.08) 2 (0.08) 30 (1.18) Two, 3.2 (0.13) dia. 1.6 (0.06) 18.8 (0.74) 2 (0.08) dia. 18.6 (0.73) 4 (0.16) OD 23 (0.91) 11.6 (0.46) 7 (0.28) LOT NUMBER TYPE NAME 5 (0.20) dia. CONNECTOR VCC (Pin 1) FOUT (Pin 2) GND (Pin 3) Precautions Be sure to abide by the following precautions for the safe operation of the Sensor. ■ Soldering Solder D8M-A1 on PC boards within 5 seconds using a soldering iron whose tip temperature is adjusted to 345° to 355°C. ■ Mounting For proper operation, mount the sensor within ±10 degrees of level. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, divide by 25.4 OMRON ELECTRONICS LLC OMRON CANADA, ON-LINE INC. OMRON One East Commerce Commerce DriveDrive Schaumburg, IL 60173 885- http://www.omron.com Milner Avenue 885 Milner Avenue Global - http://www.omron.com Global Ontario M1B 5V8 Toronto, Ontario M1B 5V8 USA - http://www.omron.com/oei USAToronto, - http://www.omron.com/oei Canada - http://www.omron.com/oci Canada - http://www.omron.ca 416-286-6465 416-286-6465 847-882-2288 1-800-55-OMRON Cat. No. T026-E3-1 CS01WAD1 Cat. No. CS01WAD1(A) 6 OMRON CANADA, INC. OMRON ON-LINE 10/02 07/02/7.5M Specifications Specifications subject subject to to change to change without without notice notice 11/02 Specifications subject change without notice Solid State Pressure Sensors D8M Printed Printed in in USA USA