MEASURING RANGES |
|
Full scale freely selectable |
Body Size ¼” from 0 … 25 mln/min to 0 … 60 ln/min (from 0 … 27 SCCM to 0 … 64 SLPM)
Body Size ½” from 0 … 60 ln/min to 0 … 450 ln/min (from 0 … 65 SLPM to 0 … 480 SLPM) |
PERFORMANCE DATA |
|
Media (real gas calibration) |
Air, O2*, N2*, He, Ar, CO2, H2, CH4, C3H8 (other gases and gas mixtures on request)
*O2 & N2 are calibrated with air |
Accuracy (air & equivalents) |
Eco: ± 2.0% of full scale; ranges > 200 ln/min (200 SLPM) ± 3.0% of full scale
Special: ± 1.0% of full scale up to 50 ln/min (50 SLPM) |
Turndown ratio |
Eco: 1 : 50
Special: 1 : 100 |
Response time |
Max. 300 msec (depending on filter settings) |
Flow update by sensor |
40 msec (battery mode 500 msec) |
Display update |
240 msec (battery mode 500 msec) |
Repeatability |
± 0.5% of full scale |
Longterm stability |
< 1% of measured value / year |
Power supply Meter & Regulator |
Standard AA battery (lifetime in months depending on operation) or
Micro-USB power supply (DIN 62684)
Option: External power +8…30 Vdc (power consumption max. 120mA) |
Power supply Switch & All-in |
External power +8…30 Vdc (power consumption max. 300mA) or
Micro-USB power supply (DIN 62684) |
Operation pressure |
0.2 – 11 bara (3 – 160 psia) |
Temperature (environment/gas) |
0 – 50°C (32 – 122°F) |
Body Materials |
Anodized aluminium, optional stainless steel electropolished |
Seals |
FKM, optional EPDM (FDA) |
Pressure sensitivity |
< 0.2% / bar (<0.014% / psi) of reading (typical N2) |
Temperature sensitivity |
< 0.025% FS measuring range type per 1°C (<0.012% FS per 1°F) |
Warm-up time |
< 1 sec. for full accuracy |