(19)
(11) EP 0 729 564 A1

(12)

(43) Date of publication:
04.09.1996 Bulletin 1996/36

(21) Application number: 95900159.0

(22) Date of filing: 16.11.1994
(51) International Patent Classification (IPC): 
G01F 23/ 00( . )
 G01F 25/ 00( . )
(86) International application number:
PCT/FI1994/000513
(87) International publication number:
WO 1995/014217 (26.05.1995 Gazette 1995/22)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE

(30) Priority: 16.11.1993 FI 19930005083

(71) Applicant: Aspo Systems Oy
FIN-6450 Porvoo (FI)

(72) Inventors:
  • HAPUOJA, Ilkka
    FIN-06400 Porvoo (FI)
  • KOIVISTO, Kimmo
    FIN-06150 Porvoo (FI)
  • HOVATTALA, Veli-Matti
    FIN-06650 Hamari (FI)
  • HEIKKINEN, Mikko
    FIN-02210 Espoo (FI)

(74) Representative: Järveläinen, Pertti Tauno Juhani, et al 
Oy Heinänen Ab, Annankatu 31-33 C
00100 Helsinki
00100 Helsinki (FI)

   


(54) PROCEDURE AND APPARATUS FOR THE CALIBRATION OF A LIQUID MEASURING APPARATUS