Gasometer: An Inexpensive Device for Continuous Monitoring of Dissolved Gases and Supersaturation
- 1 July 1982
- journal article
- research article
- Published by Oxford University Press (OUP) in Transactions of the American Fisheries Society
- Vol. 111 (4) , 505-516
- https://doi.org/10.1577/1548-8659(1982)111<505:g>2.0.co;2
Abstract
The gasometer is a device that measures differential dissolved-gas pressures (.DELTA.P) in water relative to barometric pressure (as does the Weiss saturometer), but operates continuously without human attention. The gasometer can be plumbed into a water-supply system and requires 8 l/min of water or more at 60 kpascals. The gasometer''s surfaces are nontoxic, and flow-through water can be used for fish culture. The gasometer may be connected to a small submersible pump and operated as a portable unit. The gasometer can activate an alarm system and thus protect fish from hyperbaric (supersaturation) or hypobaric gas pressures (usually due to low dissolved O2). Instructions are included for calculating and reporting data including the pressure and saturation of individual gases. Construction and performance standards are given for the gasometer. Occasional cleaning is required to remove biofouling from the gas-permeable tubing.This publication has 0 references indexed in Scilit: