Audio analyzer class 1 HT Italia HT155/ HT157

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

 

• IR Resolution 384x288 pxl
• Temperature range -20° ÷ 650°C
• Image frequency 50Hz
• Thermal sensitivity / NETD <0.05°C @ 30°C / 50mK
• Field of view (FOV) 17° x 12.7°

 

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

 

• DC Voltage
• AC TRMS Voltage
• Continuity test of protective conductors with 200mA
• Insulation Resistance measurement with 500VDC
• Global Earth Resistance without RCD tripping
• Test executed on twisted pairs cables UTP and STP with RJ45 connector
• Quickly selection of cables pairs

 

• 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
• AC/DC voltage 1000V AC+DC
• AC/DC current 1A AC+DC
• DC 4-20mA current measurement
• DC 0-10V voltage measurement
• DC 4-20mA current generation

 

• Trip out time measure on AC Standard RCD's
• Trip out current: 30, 30x5, 100, 300mA
• Global Earth Resistance with 0.1Ohm resolution
• Global Earth Resistance without RCD's tripping
• DC Voltage
• AC TRMS Voltage
• Automatic detection of AC/DC signals

 

• 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

 

• Insulation measurement up to 1,500V DC even on live systems
• Localization of the faulty module through the new GFL function
• Continuity of the protective conductor with 200mA

 

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