M b control & systems supplies the latest low cost hand held multifunction calibrator [model 123]. This multifunction calibrator [model 123] is battery operated precision calibrator provides the most commonly required outputs: 4-20 ma, 0-24 ma, 0-100.00 mv, 0-1.000 v, 0-12.000 v, frequency, thermocouple type k, j, e and t. This calibrator operates on 9 v battery. The multi-function unit comes with a 4-1/2 digit lcd displays and can give accuracy of 0.025%. The silent features of this calibrator are: step and auto ramp functions. The calibrator provides a beep alarm if the ma output is open. It also provides 0-100% for input measurement. This portable instrument is very light weight [only 330 gm] and small in size [88 x 68 x 26 mm] and is very easy to carry on site. It can be used up to 50 degree c ambient temperature. The whole system comes with carrying case, connectors, test leads and operating manual.