16′ electrical connection cable for 6440 series with M12x1 socket & 4 open wire ends$57.00 Testo 6440, 6740; Call for pricing on these items for other components Custom built part numbers are non-returnable Call us for a quote Product Model: 0699 3393 16' electrical connection cable for 6440 series with M12x1 socket & 4 open wire ends quantity Add to cart SKU: 0699 3393 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Related products CO2 replacement sensor kit with board0 out of 5 Read more Handle for plug in thermocouples0 out of 5 $132.00 Add to cart NO replacement sensor (0-3000 ppm 0.1 ppm resolution H2 compensated)0 out of 5 $868.00 Add to cart