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 M

Ω 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 M

Ω or more into 30

k

Ω 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%