Gas Cylinder Weighing Scale Setra Model CWS 321

Gas Cylinder Weighing Scale The Model CWS 321 Weighing Scale is designed to weigh gas cylinders to within 0.10% accuracy, reducing gas replacement costs and shutdown time. Its compressed pivot design results in a low profile (less than 1 inch) scale, ideal for easy gas bottle replacement. The multiple strain gauge design eliminates off-center-loading errors. High resistance strain gauges, combined with an additional RFI shield, produce lower susceptibility to output noise and RFI error.

Applications

Gas Cabinets
Weigh Gas Cylinders

Model CWS 321 Specifications
Platform Size	9.25" (23.5cm) x 9.25" (23.5cm)
Height	0.97" (24.6mm
Platform Material	Stainless Steel
Weight	10 lbs. (4.5kg)
Capacity	0 to 60, 0 to 300, lbs 0 to 30, 0 to 135 kg
Electrical Termination	10 ft. Cable or End of Cable
Zero and Span Adjustments	External to Case

Performance Data
Accuracy	0.10% FS
Non-Repeatability	0.05% FS
Hysteresis	0.10% FS
Off Center Loading	0.10% FS (One half Scale load at 1 inch)
Overload Protection	150% FS
Thermal Effects Compensated Range 慚 (慢) Zero Shift %FS/100 慚 (50 慢) Span shift %FS/100 慚 (50 慢)	+14 to +122 (-10 to +50) +/-1.0% (+/-0.9%) +/-1.0% (+/-0.9%)
Long Term Stability	0.5% FS/1YR
Environmental Data
Temperature Operating 慚 (慢) Storage 慚 (慢)	+14 to +122 (-10 to +50) +14 to +140 (-10 to +60)
Electrical Data (Current Output)
Circuit	2-wire
Output	4-20 mA
External Load	0 to 800 Ohms
Minimum supply voltage (VDC) = 15 + 0.02 x (Resistance of receiver plus line). Minimum supply voltage (VDC) = 30 + 0.02 x (Resistance of receiver plus line). A regulated power supply or a power supply with low ripple noise is recommended for best performance.

* Specifications subject to change without notice.
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