Specifications
■ Electrical Ratings
Item
Power supply voltage
D8M-A1
2.2 ± 0.1 VDC
D8M-D1
2.2 to 3.4 VDC with
regulator
D8M-D2
2.2 to 3.4 VDC with
regulator
D8M-D82
2.2 to 3.4 VDC with
regulator
D8M-R1
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
Output resistance
Leakage current
Output voltage
Output pulses
Output resolution
1 M ? min.
500 ? max.
1 mA or less
15 to 1247 mV
--
(Note 1)
--
--
1 mA or less
--
--
1 pulse/9.81 Pa
--
--
1 mA or less
--
--
1 pulse/9.81 Pa
--
--
1 mA or less
--
--
1 pulse/9.81 Pa
--
--
1 mA or less
--
80 to 300 kHz
1 kHz/9.81 Pa
Output voltage rate of
change with resistance
load change
1 M ? or more into 30 --
k ? is made within
2.5%
--
--
--
Output voltage by input
0.98 kPa = 261 mV
--
--
--
--
pressure
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
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
Withstand pressure
Repeatability/hystersis
Non-linearity
0 to 4.9 kPa
(0 to 0.71 psi)
5.88 kPa for 3
minutes
± 0.5% FS
--
0 to 5.88 kPa
(0 to 0.85 psi)
58.8 kPa for 3
minutes
± 0.5% FS
--
0 to 5.88 kPa
(0 to 0.85 psi)
58.8 kPa for 3
minutes
NA
--
0 to 4.9 kPa
(0 to 0.71 psi)
19.6 kPa for 5
minutes
± 0.5% FS
± 2% FS max.
0 to 196.13 Pa
(0 to 0.028 psi)
3 kPa for 10
seconds
± 0.5% FS
± 2% FS max.
characteristics
Response time
3.0 ms
2.5 ms (pressure)
3 ms (pressure)
1.5 ms (pressure)
3 seconds max.
18 ms max. (switch)
100 ms (discharge)
32 ms max. (switch)
250 ms (discharge)
30 ms max. (switch)
45 ms (discharge)
Operating temperature
-30 ° to 70 ° C
-30 ° to 70 ° C
-30 ° to 70 ° C
-10 ° to 60 ° C
-20 ° to 70 ° C
(Note)
Storage temperature
-40 ° to 80 ° C
-40 ° to 80 ° C
-40 ° to 80 ° C
-20 ° to 70 ° C
-30 ° to 80 ° C
(Note)
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
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