Technical data, Temperature dependence – Vaisala HMD70 User Manual

Page 14

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HMD70U/Y Transmitters
Operating Manual

U303en-1.1

10

1997-07-31

6.

TECHNICAL DATA

6.1

Relative humidity

Measurement range

0...100 %RH

Accuracy at 20

°

C:

1 0

4 0

2 0

6 0

5 0

3 0

8 0

7 0

% R H

%RH

3

2

1

0

-1

-2

-3

0

9 0

1 0 0

Temperature dependence:

- 2 0

2 0

0

2.0
1.5
1.0
0.5

0

-0.5
-1.0
-1.5
-2.0

8 0

4 0

6 0

° C

1 0

- 1 0

3 0

5 0

7 0

%RH

Response time (90%) at +20

°

C in still air

15 s with membrane filter

Humidity sensor

HUMICAP

180

6.2

Temperature (Y model only)

Measurement range

-20...+80

°

C

Accuracy:

- 1 0

0.8

0.6

0.4

0.2

0

-0.2

-0.4

-0.6

-0.8

°C

0

- 2 0

1 0

2 0

3 0

4 0

5 0

6 0

7 0

8 0 ° C

Linearity

better than 0.1

°

C

Temperature sensor

Pt 1000 IEC 751class B

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