Regulator SS with integrated rotometer* Call us for a quote SKU: 400554 90242 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Related products RS 232 data transfer cable 5.9 ft / 1.8 m0 out of 5 $104.00 Add to cart Self service replacement CO measuring sensor – 325-1 & 325-3 only0 out of 5 $219.00 Add to cart Handle for plug in thermocouples0 out of 5 $132.00 Add to cart