Installation Guide Model CWS 321 Gas Cylinder Weighing Scale Pressure Transducers and Weighing Systems ISO 9001 ✓ Certified 1-800-257-3872 Toll Free 1-978-264-0292 Fax www.setra.
Setra Model CWS 321 Gas Cylinder Weighing Scale 1.0 GENERAL INFORMATION Every Model CWS 321 has been tested and calibrated before shipment. Specific performance specifications are listed on Page 3 of this Guide. Setra Systems CWS 321 Gas Cylinder Scale is specifically designed to weigh gas cylinders in gas cabinets and gas distribution systems. No mechanical adjustments should be required providing the Model CWS 321 is installed on a flat surface.
.0 MODEL CWS PERFORMANCE SPECIFICATIONS Accuracy Non-Repeatability Hysteresis Off Center Loading Overload Protection ±0.10% FS 0.05% FS 0.10% FS 0.10% FS (at 1 inch) 150% FS Thermal Effects Compensated Range °F(°C) Zero Shift %FS/100°F (50°C) Span Shift %FS/100°F (50°C) Long Term Stability +14 to +122 (-10 to +50) 1.0 (0.9) 1.0 (0.9) 0.5% FS/1 YR 4.0 DIMENSIONAL DIAGRAM 9.25 23.5 R 161 TYP STAINLESS STEEL PAN 9.25 23.5 IN. CM R 161 TYP 0.75/19 0.87/22 0.97/24.6 IN/MM RUBBER FEET IN. CM 9.00 22.
5.0 RETURNING PRODUCTS FOR REPAIR Please contact a Setra application engineer (800-257-3872, 978-263-1400) before returning unit for repair to review information relative to your application. Many times only minor field adjustments may be necessary. When returning a product to Setra, the material should be carefully packaged and shipped prepaid to: Setra Systems, Inc.
