Baratron 226 A

Full-Scale Ranges
0.2, 1, 2, 5, 10, 20, 50, 100, 200, and 1000 Torr and equivalents in kPa, mbar, inches H2O,
and cm H2O
Resolution
0.01% of Full Scale (F.S.)
Accuracy
0.50% of Full Scale unidirectional or bidirectional standard; 0.30% of F.S. unidirectional or
bidirectional, and 0.30% of Reading (unidirectional calibrations only)
Temperature Coefficients
Zero
0.1% Full Scale/°C for standard accuracy specification
Span
0.04% of Reading/°C
Ambient Operating Temperature
0° to 50°C
Maximum Overpressure
Measurement Side
120% of Full Scale or 20 psi (140 kPa), whichever is higher
Reference Side
120% of Full Scale
Maximum Line Pressure
40 psig (275 kPa)
Materials Exposed to Process
Measurement Side
Inconel
Reference Side
Inconel, ceramic, palladium, stainless steel, glass
Sensor Internal Volume
Measurement Side
1.4 cm
3
Reference Side
9.0 cm
3
Input Power
±15VDC (±5%) or +13VDC to +30VDC @ 25 mA, ripple less than 20 mV

Electrical Connector
9-pin D-subminiature standard, terminal block and flying leads optional
Certifications and Approvals
Fully compliant to EMC Directive 2004/108/EC2,
SEMI S2-0706 compliant
Restriction of Hazardous Substances
RoHS compliant to Directive 2002-95-EC

Fittings
Standard:
¼”
OD (6.4 mm) tubes
Optional:
3/16”
OD (4.8 mm) tubes, 4 male VCR®
, 4 female VCR, 4 male VCO®
, 4 female VCO,
NW16-KF
, 1.33” OD (33.8 mm) Conflat®
, 1/8” male and female NPT, 1/4” male and
female NPT