Silver Vernier Caliper Range 0 to 125mm tds meter reading 1ºF Response Time 500ms Wavelength 1ºF Response Time 500ms Wavelength 900~1200nm RS232 Recall √ MAX MIN AVG DIF Reading √ High Low Temperature Alarm Set up √ Data Store Recall Function √ ºC ºF Selection √ Data Hold Function √ Laser Target Pointer ON OFF Selection √ Backlight ON OFF Selection √ Auto Power Shut Off √ Unit Size 60*141*200mm Standard Quantity Per Carton 12PCS Standard Carton Size 53*50 This is especially beneficial for users who rely on the device in the field This economical steel Vernier caliper has a 5 Inch capacity with 3 way measuring inside Silver Vernier Caliper fractional scale Vernier caliper is graduated in 16thsInch and millimeters