Anaesthetic VA Flowmeter

Anaesthetic VA Flowmeter – Overview

The Platon glass Variable Area (VA) flowmeters are ideal for the measurement of anaesthetic gases. The free float is instantaneous in response, and the visible float rotation immediately confirms the correct flowmeter operation to the operator. VA flowmeters are highly repeatable in operation, giving reliability and confidence. The ceramic ink scale is fused into the glass tube’s outer surface, and cannot be removed or displaced. Calibration accuracy can be specified to suit the application, with each tube and float individually gas flow calibrated. Tubes and floats are supplied as a calibrated set, normally without a frame. These are then incorporated into the manufacture of anaesthetics trolleys or other equipment.

Anaesthetic VA Flowmeter – Features

Instantaneous response
Reliable Operation
High visibility scale fused into flow tube surface
Float rotation gives the operator confidence of correct performance
Borosilicate glass tube, anti-static coated to avoid static build-up
Flow ranges from 10:1 to 150:1 available
Individual flow calibration
Standard gases – air, oxygen, nitrous oxide
Bold scale markings
Gas colour coding for easy identification
Keyed lengths to ensure correct installation
Customer logo or flow limit marks

Description

Anaesthetic VA Flowmeter | Platon DS1170

SPECIFICATION

Tube material:

Borosilicate glass anti-static coated

Tube length:

Keyed lengths typically230/240/250/ 260mm (±0.5mm) Ends square cut and flame polished for sealing.

Tube diameter:

OD 12mm or 15mm nominal

Scale:

Fused ceramic black ink

Float:

Precision machined Duralumin, red anodised with coloured dot. Float body is fluted to cause rotation in gas flow

Float end stops:

Polypropylene

Calibration:

Individually gas flow calibrated for tube & float as a matched pair

Accuracy As Required:

Typically: a) ±2% FSD
b) Class 2.5 VDI/VDE 3513
c) ±2.5mm of true scale position
d) ±10% reading

Turndown:

Typical 10:1
Maximum 150:1 (dual taper)

Standard Gases:

Oxygen, Nitrous oxide, Air

Typical Ranges: (at ATP, 1.013 bar abs and 20˚C)

0.1 – 1.0 L/min 1.0 – 10 L/min 0.1 – 15 L/min

Options:

Other gases eg Carbon dioxide, Helium, Cyclohexane, or other flow ranges or calibration conditions

Alternative scale units

Short tubes (150mm) or Imperial lengths

Special flow ranges eg for Premature Baby units

Calibration check and certification from our UKAS-accredited flow test laboratory

Anaesthetic VA Flowmeter | Platon DS1170

Anaesthetic VA Flowmeter | Platon DS1170

Anaesthetic VA Flowmeter | Platon DS1170