Crystal IS33 pressure calibrator is a wide range pressure calibrator that fits easily into your shirt pocket. Its internal sensors give you 0.05% of reading accuracy and resist damage from overpressure.

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• Wide pressure range can measure vacuum and pressure up to 5000 PSI

• Indicates milliamps to calibrate transmitters

• Ultra compact and light

• Very easy to learn and use

• Battery operated

• Brings laboratory accuracy to outdoor field conditions