Handheld Digital Soundmeter with calibrator HT Italia HT154

• Insulation with test voltage 250, 500, 1000VDC
• Up to 4Gohm measurement range
• Automatic discharge of device under test
• LOCK feature for continuous measurements
• Programmable timer up to 60s
• Continuity of earth conductors with test current of 200mA
• A/DC voltage up to 600V
• Resistance and continuity test with buzzer

 

• Measurement of output voltage from module/string up to 1000V DC
• Measurement of output current from module/string up to 10A DC
• Measurement of solar irradiation [W/m2] with reference cell
• Measurement of environmental/module temperature, automatic or by means probe
• Measurement of output DC and nominal power from module/string
• Numerical and graphical display of I-V characteristic
• Optical/USB port for PC connection

 

• Measuring range 25-140dB
• "Peak", "Fast", "Slow" and "Impulse" integrations
• "A", "C" and "Z (linear)" frequency weighting
• "Peak+" and "Peak-" measurement in C weighting
• Spectral analysis with octave and 1/3 octave digital filter (HT157)
• Class 1 portable calibrator
• Mini-USB output for connection to PC

 

• Tripping time on RCD type A, AC General and Selective with currents 10, 30,100, 300, 500mA
• Tripping time on RCD type AC General with currents 30, 30x5, 100, 300mA
• Tripping current on RCD type A, AC General and Selective Global earth resistance without RCD tripping
• Line/Loop impedance, also with high-resolution (0.1m )( with optional accessory IMP57)
• Optical/USB interface for connection to PC

 

• Step/Contact voltage with separated units
• Synchronization between units
• Test current up to 50A
• Earth resistance measurement
• Ground resistivity measurement
• Internal memory for saving results
• USB and RS-232 ports for communication between units and PC

 

• 3-wire Earth Resistance
• 2-wire Earth Resistance
• 4-wire Earth Resistivity
• High measurement range (50kOhm)
• Noise voltage measure
• Optical /USB PC interface

 

• Safety test of PV installation
• Continuity test on protective conductors with 200mA
• Insulation test with test voltage of 250, 500, 1000VDC
• DC voltage
• DC current
• DC Power
• Solar irradiation [W/m2] with reference cell

 

• Air temperature (°C/°F)
• Air relative humidity (%RH)
• Air speed (m/S)
• Air volume (m3/s)
• Capacity measurements (kW)
• Temperature dew point measurement

 

• AC voltage in single-phase and three-phase systems
• AC current in single-phase and three-phase systems
• Cosphi, Power Factor, K-Factor
• Voltage unbalance
• Flicker
• Active, Reactive, and Apparent power/energy
• Voltage and current harmonic amplitude and phase up to the 63rd order with THD% calculation

 

• 3-wire Earth Resistance
• 2-wire Earth Resistance
• Measurement range up to 50kOhm
• Calibration of test cables
• Automatic regulation of noise voltage disturbances