"The METRAHIT ULTRA M248A is a precision high resolution TRMS system digital multimeter with IR remote control capability, temperature measurement and data logging for demanding, universal applications in the laboratory or out in the field on service calls.Instruments included in the Gossen high-resolution series are extremely rugged, reliable digital multimeters with housings made of impact resistant ABS. With a resolution of 310,000 digits and roughly 30 different measuring functions, they’ve been developed for professional use.Triple display with a resolution of ±310,000 digits,Intrinsic error: ± (0.02% rdg. + 20 digits),Measuring functions: 1 µV to 600 VDC and 10 µV to 600 VAC\/AC+DC TRMS (bandwidth: 15 Hz to 100 kHz), 1 nA to 10 ADC and 10 nA to 10 AAC\/AC+DC TRMS (bandwidth: 15 Hz to 10 kHz),Resistance, frequency, capacitance and temperature measurement: 1 mΩ to 30 MΩ, 0.001 Hz to 1 MHz, 1 pF to 3 mF, °C\/°F Pt100, Pt1000, type K thermocouple: -270 to +1372 ºC,Automatic range selection and battery cutoff,Min-Max measured value storage,Integrated 2 MByte measurement data memory for approx. 300,000 measured values, sampling rate: 100 ms to 9 hrs.,IR data interface (this instrument can be controlled via the IR interface with optional accessory Z216C - RS Stock No 606-3776),CAT IV @ 300 V or CAT III @ 600 V per IEC 61010-1,DAkkS calibration certificate as standard featureMultimeter Type = HandheldAbsolute Maximum AC Current Measurement = 10A acAbsolute Maximum DC Current Measurement = 10A dcAbsolute Maximum AC Voltage Measurement = 600V acAbsolute Maximum DC Voltage Measurement = 600V dcAbsolute Maximum Resistance Measurement = 30MOhmsAbsolute Maximum Capacitance Measurement = 3mFAbsolute Maximum Temperature Measurement = +100 (PT100) °C, +1372 (Type K) °C, +80 (Internal) °C, +850 (PT1000) °CFunctions Measured = AC Current, AC Voltage, Capacitance, DC Current, DC Voltage, Diode, Frequency, Resistance, TemperatureTrue RMS = Yes"