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ASTM Digital Alternative Thermometers

These popular thermometers are mercury-free options for construction materials testing. Regulations or outright bans restrict the sale and shipment of scientific instruments containing mercury.

Basic Type K or J Thermometers, -328°–2,498°F (-200°–1,370°C)
Models: MA-321A, MA-321AT, MA-322A, MA-322AT
4-Channel Thermometer, -328°–2,498°F (-200°–1,370°C)
Models: MA-323, MA-323C
Type K Thermocouple Probes

Type K Thermocouple Probes

Starting at $22.00
Models: MAA-286, MAA-287, MAA-288, MAA-290, MAA-291, MAA-295, MAA-296, MAA-297, MAA-298, MAA-299, MAA-300, HMA-320
Thermocouple Wires and Connectors
Models: HMA-323, HMA-324, HMA-20, HMA-321

Most ASTM, AASHTO, and ISO standard test methods now indicate the performance required from a “thermometric device,” rather than specifying a certain type of mercury thermometer.