ATA1 and ATWB1 thermocouples have an alligator clip on the end to keep them in place. The ATA1 measures dry bulb and the ATWB1 measures wet bulb. These thermocouples work with any instrument that accepts a standard K-type plug. The thermocouples come with the wrap-tab plug for lead storage.
Fieldpiece Instruments Inc., Attn: Pat Clausen, 580 W. Central, Ste. A, Brea, CA 92821; 714-257-9060; 714-257-9069 (fax); firstname.lastname@example.org; www.fieldpiece.com.