Eti microcal 1 plus calibrator eti 271 101 p the microcal 1 plus thermocouple calibrator from eti helps ensure the frequent checking of thermometer accuracies is a routine operation the calibrator is designed to simulate a chosen temperature to test thermocouple types k j t r n s and e thermometers without the need for specialised equipment or conversion tables the simulator features a custom 10mm lcd display with alpha numeric display line to prompt the user when changing parameters