- Isolated air cavity design to prevent condensation and avoid pollution to the media
- Designed for food and pharmaceutical industry, suitable for CIP/SIP cleaning and sterilization
- Double diaphragm overload protection structure can easily cope with high overload tests
Electric Contact Gauge, 3 inches
Model: PRE3
- Suitable for observation and automatic control
- Adjustable magnetic strength to avoid frequent, accidental collision of contacts due to vibration
- A variety of contact types to choose from
- Responsive after-sales service / Customizable
- High quality / One-year warranty
- The image is for reference; the actual product willbe based on your custom specifications.
Description
The PRE3 is a 3-inch electric contact pressure gauge designed for visual monitoring and automatic control. It features an adjustable magnetic mechanism that prevents accidental contact activation due to vibration. The gauge offers customizable pressure ranges with ±3.0% F.S. accuracy, a 316L stainless-steel wetted system, and a PC window. Equipped with EC1 snap-action contacts (70% silver & 30% nickel, gold-plated), it supports multiple switching functions. Available in bottom mount, back mount, and back flange configurations, the PRE3 is suitable for general industrial use, pump control, fan operation, and pipeline pressure monitoring.
Specifications
| Connection location | Bottom mount, back mount, back mount with flange |
|---|---|
| Electrical connections | Cable outlet |
| Nominal size | 3" |
| Accuracy | ±3.0% F.S. |
| Process connection | 316L SS 1/4, 3/8, 1/2 PT, G, NPT |
| Window | PC |
| Movement | Copper alloy |
| Bourdon tube | 316 SS |
| Pressure limitation | Steady: full scale value Fluctuating: 0.9 x full scale value |
| Ambient temperature | -20℃ … 70℃ |
| Medium temperature | -20℃ … 150℃ |
| Contact | EC1 snap-action contacts, 70% silver & 30% nickel, gold-plated |
| Electrical contact specification | Rated voltage: 250 V (Max.) Contact capacity: 30 W ~ 50 VA (Max.) Starting current: 1.0 A (Max.) Persistent current: 0.6 A (Max.) Switching voltage: 24 V (Min.) |
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