Model KM 822sEX Special Features Splash / Drop Proof 1000V AC / DC USB Interface Dual Display Backlit Display Intrinsically Safe Beep-Jack Audible & Visible Input Warning Relative Zero Mode PC Interface Capability Data Hold Exrating : Ex ib I/IIC T6 1A / 1kV (IR10kA)for mA & mA (1000V HRC Fuse) 11A / 1kV (IR20kA) for A (1000V HRC Fuse) These meters comply to IEC SANS 600790:2000 & IEC SANS 60079-11:1999, which is an electrical apparatus for explosive gas atmospheres. Part 0 (general requirements) & part 1 (intrinsic). The approved explosive protection rating of this equipment is suitable for use in Zone 1 hazardous area. Group I (coal mines) underground & Group II (surface). Features DC Voltage Basic Accuracy 0.08% 4 Digit 10,000 counts large easy to read Backlight LCD display Fast Measurements, 5/sec; Fully Auto-Ranging Logic & Line Level Frequency Logic Level Duty Cycle Readings & Diode Tester Fast Audible Continuity Auto Power Off General Specification Sensing : AC True RMS Display : 9999 Counts : ACV, DCV, Hz & nS 6000 Counts : mV, mA, mA, A, Ohm & Capacitance Update Rate : Digital Display : 5 per second nominal; 41 Segments Bar-graph : 60 per second max Operating Temperature : 0°C to 45°C Relative Humidity : Max. 80% R.H. for Temperature up to 31°C decreasing linearly to 50% R.H. at 45°C Pollution degree : 2 Altitude : Operating below 2000m Temperature Coefficient : nominal 0.15 x ( specified accuracy)/°C @ (0°C ~ 18°C or 28°C ~ 45°C), or otherwise specified Power Consumption : 5mA typical APO Timing : Idle for 30 minutes APO Consumption : 50mA typical