Manufacturer/
Description |
Low Flow (mL/min.) |
High Flow (mL/min.) |
Accuracy |
Gases Measured |
Volumetric or Mass Flow Measured |
Gas Exhaust |
Data Port |
List Price |
Power Supply |
Restek ProFLOW 6000 |
0.5 |
500 |
±2% of reading, or ±0.2mL/min., whichever is greater |
Most* |
Volumetric |
Yes |
USB |
$698 |
2-AA |
Agilent Precision Gas Flowmeter |
5 |
500 |
±0.8% |
N2, H2, He, Air, CO2, CH4, 95% Ar/CH4 |
Mass and volumetric |
No |
RS232 |
$1,208 |
9 volt |
Agilent ADM 1000 |
0.5 |
1,000 |
±3% of reading or ±0.2mL/min., whichever is greater |
Most |
Volumetric |
No |
RS232 |
$698 |
9 volt or AC power supply |
Agilent ADM 2000 |
0.5 |
1,000 |
±3% of reading or ±0.2mL/min., whichever is greater |
Most |
Volumetric with mass flow calculated |
No |
RS232 |
$816 |
9 volt |
Agilent ADM 3000 |
0.5 |
1,000 |
±3% of reading or ±0.2mL/min., whichever is greater |
Most |
Volumetric |
No |
RS232 |
$1,045 |
9 volt |
Alicat M Series |
Five versions of flow |
Five versions of flow |
±0.4% |
30 single and combo gases |
Mass |
No |
RS232 |
$975 |
9 volt |
Humonics OptiFlow Bubble Flowmeter |
0.5 |
500 |
±3% |
NA |
Volumetric |
No |
NA |
$725 |
9 volt |