The BTT789 temperature transmitter with integrated sensor and with or without LCD or LED display is extremely compact and has a 4-20mA output. The temperature range is within -50 to +400°C. The design of the probes allows insertion into a G ½”, G 3/8″, M16, M18, M20, 3/8″ NPT, 1/2″ NPT or thermo well. The probe stem is constructed of stainless steel 316. Besides the standard range of imperial and metric dimensions, custom sizes are also available to order.