" Sensing : TRMS sensing Jaw Opening : 55mm max. Display : 3-5/6 digits 6000 counts & 3½ digits 1,999 counts for Hz. Update Rate : 5 per second nominal Polarity : Automatic Low Battery : Below approx < 2.4V Operating Temperature : 0 ° C to 40 °C Relative Humidity : Maximum 80% R. H. for temperature upto 31 °C decreasing linearly to 50% Relative Humidity at 40oC Storage Temperature : -20 °C to 60 °C, < 80% R.H. (With battery removed) Altitude : Operating below 2000m Temperature Coefficient : nominal 0.15 x (specified accuracy) / °C @ (0 °C-18 °C or 28 °C-40 °C), or otherwise specified Power supply : Standard 1.5V AAA Battery x 2. Power Consumption : Typical 14mA for Current function, & 5.2mA for others. APO Timing : Idle for 34 minutes APO Consumption : 10mA typical Dimension : 264(L) x 97(W) x 43(H) mm Weight : Approx. 608gm. Accessories : Test leads (pair), user’s manual, Bkp60 banana plug K-type Thermocouple x 1 & carrying case. Optional Accessories : USB interface kit BRUA-19X, BKB32 banana plug to type-K socket plug adaptor"