Audio analyzer class 1 HT Italia HT155/ HT157

• DC Voltage
• AC TRMS Voltage
• DC Current
• AC TRMS Current

 

• 1500V Multifunction I-V Curve Tracer for maintenance and efficiency tests on single-phase installations.
• Measurement of efficiency of a single-phase photovoltaic system
• Measurement of I-V Curve of a module or of a string up to 1500V/10A - 1000V/15A
• Measurement of open-circuit voltage of a module or of a string (VOC) 1500V
• Measurement of short-circuit current of a module or of a string (ISC) 15A

 

• I-V Curve Tracer for maintenance and troubleshooting of photovoltaic systems.
• Measurement of I-V Curve of one or more modules or of one whole string up to 1500V/10A
• Measurement of open-circuit voltage and short-circuit current Voc/Isc
• Database of 30.000 selectable photovoltaic modules

 

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

 

• Generation of output voltage signal with amplitude up to 10VDC
• Voltage measurement up to 10VDC
• Generation of output current signal with amplitude up to 24mADC
• Current measurement up to 24mAVDC
• Current measurement in percentage format (4-20mA)
• Loop current measurement of external transducers

 

• 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

 

• 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

 

• TRMS
• Current measuring range 1000A
• AC/DC current AC+DC
• AC/DC voltage 1000VAC/1500VDC
• IR Resolution 120 x 120 pxl

 

• 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

 

• IEC/EN60204-1 and IEC/EN61439-1-2 Measuments
• Continuity of protective circuit with 200mA
• Continuity of protective circuit with I>10A, V<12V
• Continuity of protective circuit with I>25A, V<12V
• Insulation with test voltages 100, 250, 500, 1000VDC
• Dielectric strength with voltage programmable from 250V to 5100VAC