WIKA THERMOMETER PART# 52757517 Bimetal thermometer, Process grade according to ASME B40.200 Model: TG53.5Z Specifications according to data sheet: ATM 53.02 Accuracy Class: +/- 1% of Full Scale (ASME B40.3) Nominal size: 5" Connector position: back mount, adjustable Design of Connection: standard, male thread Process Connection: 1/2" NPT Scale Range: 0 �F ... 250 �F Stem Diameter: 1/4" Insertion length L1: 9" Window: Flat Instrument Glass Ingress Protection: IP 66 / NEMA 4X Permissible ambient temperature: -40 ... +100 �C with Serial number Manufacturer logo: *WIKA�* ingress protection on dial: With *IP 66* Your Item number 52757517