The Crystal Engineering IS33-300/3000 is a portable pressure calibrator designed for demanding industrial environments. Despite its shirt-pocket size, it delivers exceptional performance with a wide pressure range from inches of water to 3000 PSI (200 bar) and vacuum, all without external transducers. Its all-in-one design integrates stainless steel sensors compatible with gas and liquid, ensuring versatility and reliability.
Key Features & Highlights
- Ultra-compact and rugged: Fits in a shirt pocket; case made from unbreakable aluminum.
- Wide pressure range: Measures from inches (millimeters) of water up to 3000 PSI (200 bar) and vacuum.
- High accuracy: 0.05% of reading for pressure measurements.
- Built-in sensors: No external transducers required; stainless steel, gas and liquid compatible.
- mA measurement: Displays in 0 to 100% for 4-20 mA or 10-50 mA loops.
- RS-232 port: Enables data logging and connectivity.
- Intrinsically safe: Suitable for hazardous locations.
- Temperature compensated: Specifications (including mA) are not affected by temperature; tested and calibrated in an environmental chamber.
- Long battery life: Single alkaline 9V battery provides 90 hours of continuous operation.
Applications
The IS33-300/3000 is ideal for field calibration, maintenance, and troubleshooting in industries such as oil and gas, chemical processing, pharmaceutical manufacturing, and utilities. Its portability and ruggedness make it a reliable tool for on-site pressure and current loop verification.





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