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简单介绍：
1.美国西特（setra)model 327超高纯压力变送器model LD3302Modular "Block" Gas Sticks and Panels 3.High Purity Gas Delivery Systems 4.Semiconductor Process Tools
详情介绍：
 | Applications
|
| Model 327 Specifications | |
| Digits | -999 to 1999 |
| Type | 7 Segment LCD with yellow backlight |
| Polarity | Automatic (-)display |
| Overload | 1 followed by blank display |
| Accuracy | ±0.25% of Reading ±1 count |
| Size | 0.22 inch high characters |
| Electrical Input Signal (Voltage) | 0 to 5 VDC |
| Electrical Input Signal (Current) | 4-20 mA |
| Zero and Span | Multi-turn potentiometers |
| Electrical Protection | Reverse polarity protection (100 mA current loop) |
| Type of Pressure | Gauge Absolute Compound |
| Pressure Ranges (Available as Non-switchable) | 0 to 10, 20, 25, 50, 100, 250, 500, 1000 psig 0 to 10, 20, 25, 50, 100, 250, 500, 1000 psia 3 Kpsi -14.7 to 10, 20, 25, 50, 100, 250, 500, 1000 psig 0 to 1.7, 3.4, 7, 17, 34, 70, 210 bar |
| Switchable PSI Ranges | 0 to 10, 25, 50, 100 psig 0 to 10, 250, 50, 100 psia -14.7 to 10, 25, 50, 100 psig 0 to 69, 172, 345, 689 Kpa |
| Operating Temperature | +32°F to +140°F (0°C to +60°C) |
| Storage Temperature | -40°F to +158°F (-40°C to +70°C) |
| Electrical Connection, Bottom | Choice of 15 Pin D-sub or 9 Pin D-sub, Rear |
| Electrical Connection, Rear | Choice of 15 Pin D-sub or 9 Pin D-sub. Bottom |
美国西特（setra)model 327超高纯压力变送器model LD330资料下载Click here for data sheet
Model 327