Definer 220


Model & Flow Ranges 220L, 5 -500 ccm
220M, 50-5,000 ccm
220H, 300-30,000 ccm
Accuracy 1% Standardized / 0.75% Volumetric
Gas Compatibility: Use with non-corrosive, non-condensing, non-combustible gases, less than 70% humidity
Flow Modes: Pressure or Suction
Temperature and Pressure Sensors: In the flow stream
Pressure Accuracy +/- 3.5 mmHg (typical), 7.0 mm (max);
Temperature Accuracy +/- 0.8° C (typical), 1.3° C (max)
User-Selectable Measurement Units
Volumetric Flow mL/min   L/min   cc/min   cf/min
Standard Flow smL/min   sL/min   sccm   scf/min
Pressure mmHg   PSI   kPa
Temperature ºC   ºF
Reading Styles: Single (manual), Continuous or Burst,
with averaging function user-selectable
from 1 to 100 measurements
Approximate Time Per Reading: 1-15 seconds
AC Adapter/Charger: 12V DC, >250ma, 2.5 mm, center positive
Battery System: 6V rechargeable, sealed lead-acid, 6–8 hrs typical operation
Battery Operational Time (5 cycles/min): 3 hrs backlight on, 8 hrs backlight off
Pressure and Suction Fittings: ¼” ID Swagelok® compression fittings
Storage Temperature: 0–-70° C
Operating Pressure (Absolute): 15 PSI
Operating Temperature 0-50° C
Display: Backlit graphical LCD
Data Port (for use with Optimizer software): Serial (RS-232)
Data Cable (for use with Optimizer software): 1 meter (Definer Data Port to PC serial port)
Size Small enough to fit easily in your hand;
slim enough to slide into a briefcase or tote
Weight 29 oz / 820 g
Dimensions (H x W x D) 5.5 x 6 x 3 in / 140 x 150 x 75 mm
Protective Case: Soft side or Pelican case available
RoHS compliant Yes
CE compliant Yes
Warranty: 1 year; battery 6 months
Calibration Turnaround Time 2 weeks (expedited for an additional fee)