Ashcroft Instruments Aid Common Calibration Tasks

The Heise PTE-1 handheld calibrator and the ST-2H bench-top pressure indicator from Ashcroft are specifically designed to meet modern inline or calibration laboratory test requirements. Each is equipped with features that facilitate common calibration tasks such as setting pressure switches and relief valves and calibrating pressure transmitters and meters.

With the data-logging option, calibration results can be stored for subsequent upload to a PC. The HQS Quick Select modular sensor system provides interchangeable onboard sensors for both the PTE-1 and the ST-2H in ranges from 0-0.25in H2O D/P to 0-10,000psi, in accuracies of up to +/-0.025 per cent FS. Onboard jacks measure transmitter voltage and current (mA) outputs, while temperature measurements can be performed through Quick Select interface modules that support RTDs or thermocouples.

With two sensor bays and a twin LCD, both instruments provide the simultaneous display of any two measurements. For more challenging field-test applications, the PTE-1 handheld calibrator is available in both FM-approved (intrinsically safe for hazardous environments) and CE-compliant EMI-/RFI-immune versions.

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