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The EDL CRYO-CAL-2 cryostat provides a low-temperature environment for comparison calibration of temperature sensors. Liquid nitrogen supplies the cooling, with a standard block accommodating up to four sensors.
The EDL CRYO-CAL-2 supports temperature sensor comparison calibration from cryogenic conditions to 0°C. It uses liquid nitrogen for cooling and a heated comparison block to establish the required test temperature.
EDL's current model designation is CRYO-CAL-2-LI. For an existing instrument, provide its complete model and serial number when enquiring about accessories or configuration details.
In a comparison calibration, the sensor under test is evaluated against a suitable calibrated reference thermometer under the same temperature conditions. The reference instrument, readout, sensor placement and stabilisation procedure all contribute to the measurement result.
Plan the calibration around the actual temperatures required in service. Include the sensor diameter, usable insertion length and required uncertainty when specifying the system.
| Parameter | Manufacturer specification |
|---|---|
| Temperature range | -196 to 0°C, approximately 77 to 273 K |
| Cooling medium | Liquid nitrogen |
| Standard block | Four 8 mm wells |
| Included sensor tubes | For 0.250-inch sensor diameters |
| Minimum total insertion length | 279.4 mm / 11 inches |
| Published stability over 15 minutes | Less than 5 mK |
| Published uniformity | Less than 5 mK |
| Controller resolution | 0.1°C |
| Computer interface | RS-232 with iTools software |
| Supply options | 120 VAC or 240 VAC configuration |
Stability and uniformity describe the calibration environment. They are separate from the complete calibration uncertainty, which also depends on the reference system and measurement procedure.
Match the well arrangement to the probes being calibrated. Provide the sheath diameter and available insertion length for both the reference sensor and each test sensor.
Specify how many sensors you intend to compare at once, including the reference position. Request suitable spacer tubes or guides where required, and confirm the supplied accessories in the quotation.
Use the equipment according to the manufacturer's instructions and your site's liquid-nitrogen handling procedures.
For other temperature sources, browse our temperature calibrator range.
Send your calibration temperatures, probe dimensions, reference instrument details and preferred supply voltage. For an existing unit, include a nameplate photograph.
Contact us for pricing and availability.
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The EDL CRYO-CAL-2 cryostat provides a low-temperature environment for comparison calibration of temperature sensors. Liquid nitrogen supplies the cooling, with a standard block accommodating up to four sensors.
The Anritsu ACS II series provides controlled temperature sources for calibrating and checking contact temperature probes. Choose a dedicated surface calibrator, an internal probe calibrator or a combined system to suit your measurement work.
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EDL Practi-Cal (PRI) Dry Well / Surface Calibrator (PRI) allows for easy testing and verification of virtually any size or shaped surface and insertion-style sensor – in one compact package. Utilizing an interchangeable dry well system, this calibrator has a uniform flat surface alongside a custom drilled insertion dry well. The PRI is ideal for use in the lab or in the field. It weighs in at under 30lbs., and can be taken virtually anywhere.
EDL offers a complete line of stirred liquid bath calibrators for temperatures from –40 °C up to 550 °C. The Ultra Bath has the highest stability and uniformity possible in any bath. We offer three standard bath models based on the specified temperature range.
