Mesalabs FlexCal-L Volumetric Flow Calibrator (5 - 500 ccm)

Flow range: 50 ccm - 5 LPM

Accuracy: 0.5% of reading

User-selectable measurement units:

Volumetric flow: mL/min, L/min, cc/min, cf/min

Standardized flow: smL/min, sL/min, scc/min, scf/min

Temperature: °C, °F

Pressure: mmHg, PSI, kPa

Temperature & pressure sensors: Yes, integrated in flow stream

Dimensions (H × W × D): 170 × 159 × 73.5 mm

Weight: 1.36 kg

Approximate time per reading: 1 – 15 seconds

Gas compatibility: Use with non-corrosive, non-condensing, non-combustible gases, humidity < 70%

Flow modes: Pressure or suction

Measurement cell style: Integrated

Reading modes: Single (manual), continuous or burst, with averaging function user-selectable from 1–100 measurements

Power supply / charger: 12 VDC, >250 mA, 2.5 mm center positive

Battery: 6V rechargeable sealed lead-acid, typical operation time 6–8 hours

Battery operational time (5 cycles/min): 3 hours (backlight on), 8 hours (backlight off)

Pressure and suction fittings: 1/4” ID Swagelok® fittings; 3/8” fittings for High model

Storage temperature: 0 – 70°C

Ambient humidity: 0 – 70% RH, non-condensing

Operating pressure (absolute): Atmospheric, 15 PSIA max

Display: Backlit graphical LCD

Data port (PC interface): USB

Data cable: 1 meter (FlexCal data port to PC serial port)

Protective case: Pelican case available

Datasheet