NO low upgrade module (0-300 ppm low range 0.1 ppm res.)$1,075.00 For Testo 330-1 & 330-1-LL, 330-2 & 330-2-LL Call us for a quote Product Model: 0554 3931 NO low upgrade module (0-300 ppm low range 0.1 ppm res.) quantity Add to cart SKU: 0554 3931 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description For Testo 330-1 & 330-1-LL, 330-2 & 330-2-LL Related products Plug-in head cable0 out of 5 $81.00 Add to cart Handle for plug in thermocouples0 out of 5 $132.00 Add to cart TC with tube and plug NiCr-Ni0 out of 5 $366.00 Add to cart