Dry Gas Meters

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Details

This portable industrial meter has been adapted for experimental use. It is a diaphragm-type, positive displacement Meter that is accurate to ±1.5%. It is ideal for measuring the volume of expired gases collected in Douglas Bags or the volume of gases drawn through a system.

The inlet and outlet tubing connections fit the two most frequently selected hose sizes for gas equipment. Hoses with a nominal bore of 22 mm fit directly onto the first step of the connectors. A tapered fitting accepts the 30 mm airway systems with such equipment as Harvard Douglas Bags.

An optically-coupled detector drives a 4-digit LED display in cumulative 0.1 liter increments from 0.1 to 999.9 liters maximum with an electrical zero reset. A 2.5 mm output socket produces a TTL compatible, 5 V pulse with each 0.1 liter increment.

This meter measures, H x W x D, 30 x 20 x 17.5 cm (12 x 8 x 7 in), weighs 4 kg (9 lb) and operates on one 9 V transistor battery (included).

Specifications

Specifications	50-6164	50-6163	50-6162
Accuracy	±1.5%	±1.5%	±1.5%
Battery Requirements	9 V transistor battery	9 V transistor battery	9 V transistor battery
Dimenions (H x W x D)	30 x 20 x 17.5 cm (12 x 8 x 7 in)	30 x 20 x 17.5 cm (12 x 8 x 7 in)	30 x 20 x 17.5 cm (12 x 8 x 7 in)
Output Socket	A 2.5 mm output socket produces a TTL compatible, 5 V pulse with each 0.1 liter increment.	A 2.5 mm output socket produces a TTL compatible, 5 V pulse with each 0.1 liter increment.	A 2.5 mm output socket produces a TTL compatible, 5 V pulse with each 0.1 liter increment.
Power Requirements	115 V	220 V	230 V
Volume	0.1 to 999.9 L	0.1 to 999.9 L	0.1 to 999.9 L
Increments	0.1 L	0.1 L	0.1 L
Weight	9 lb (4 kg)	9 lb (4 kg)	9 lb (4 kg)