2 Solid State Pressure Sensors D8M
Specifications
■ Electrical Ratings
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
Note: With no icing or condensation
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
4.2 to 5.5 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 -- -- -- --
±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
-- -- -- --
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%
