Meco Instruments Pvt. Ltd. Produces products relating to Electrical and Electronics Test and Measuring Instruments. Meco Instruments Pvt. Ltd. Offers digital millimeters 81K 81K - TRMS available with Multi-Display: Primary 80000, Secondary 80000, Bargraph 23 Segments, Basic DC Accuracy : 0.05%, mV Impedence: > 1000M Ohm, More than 50 Measuring Functions, Frequency Measurement : 0.5Hz to 1000.0MHz [with Optional Adaptor], 16 Frequency Points, 1% to 99% Duty Selectable Square Wave Output, Analyzing Component of Current or Voltage Signal, Resistance : 0.1? to 80M?, 10M? to 8000M?, Capacitance: 1nF to 100µF, Temperature : -50°C to 1372°C, -58°F to 2502°F [with Optional Probes], dBm 20 Types of Reference Impedence, Auto Data Hold / Peak Hold, Relative Measurement, 36 Hours Dynamic Recording : MAX / MIN / AVG/ MAX-MIN, Communication : Isolated Optical RS-232, Timer for Measurement, Backlight Display and Auto Power Off.