Humidity meter

Details Humidity meter Humidity meter

1994-06-15

1995-03-14

Warden, Robert J.

Measuring and testing

Instrument casing

7333502, G01D 1124, G01N 3318

Patent

active

053967968

ABSTRACT:
A humidity meter has a housing (1) which has a separated sensor room (5) recessed in said housing (1) for securing a humidity sensor assembly (3). The humidity meter also has an electronic circuit (2) mounted on a printed circuit board (21) fixed in said housing (1), for processing humidity signal supplied by said humidity sensor assembly (3). Some examples of the process are analog-digital conversion of measured humidity signal, visible indication on a display screen, and/or interface with external circuit. Said humidity sensor assembly (3) is removably fixed on said printed circuit board (21) which doubles as a bottom wall (53) of said sensor room (5).

REFERENCES:
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patent: 3719810 (1973-03-01), Ahlquist et al.
patent: 4298855 (1981-11-01), Mills
patent: 4399404 (1983-08-01), Resh
patent: 4514722 (1985-04-01), Batcheler et al.
patent: 4643351 (1987-02-01), Fukamachi et al.
patent: 4706808 (1987-11-01), Guetersloh
patent: 4869874 (1989-09-01), Falat
patent: 4942383 (1990-06-01), Lam et al.
patent: 5001436 (1991-03-01), Scot et al.
patent: 5012360 (1991-04-01), Yamauchi et al.
patent: 5060108 (1991-10-01), Baker et al.
patent: 5065625 (1991-11-01), Nakagawa et al.
patent: 5195358 (1993-03-01), Bleek et al.

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