| KHA3000 | KHA1000 | |||
|---|---|---|---|---|
| Common input specifications | Maximum input voltage | 600 Vrms / 900 Vpeak (CAT I), 400 Vrms (CAT II) | 300 Vrms / 560 Vpeak (CAT I), 250 Vrms (CAT II) | |
| Maximum input current | 40 Arms / 100 Apeak, whichever is smaller 160 Apeak (within 20 ms) | 24 Arms / 50 Apeak, 80 Apeak (within 20 ms) | ||
| Number of input channels | 3 channels for both voltage input and current input (L1, L2 and L3) | 1 channels for both voltage input and current input | ||
| Voltage measurement input switching | Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire and three-phase 4-wire | Single-phase 2-wire | ||
| Voltage measurement function | Rated voltage for the range | 150 V/300 V/600 V | 150 V/300 V | |
| Allowable crest factor | 2 | |||
| Display item | TrueRMS and ±peak | |||
| Accuracy | ± (0.4 % of rdng +0.04 % of range) | |||
| Current measurement function | Rated current for the range | 0.5 A/1 A/2 A/5 A/10 A/20 A/ 40 A | 0.5 A/1 A/2 A/5 A/10 A/20 A | |
| Allowable crest factor | 0.5 A to 20 A range: 4, 40 A range: 2.5 and 4 (up to 20 ms) | 0.5A to 10 A range: 4, 20 A range:2.5 | ||
| Accuracy *1 | 45 Hz to 65 Hz | 0.5 A range: ± (0.5 % of reading +0.2 % of range) 1 A to 40 A range: ± (0.5 % of reading +0.1 % of range) | 0.5 A range: ± (0.5 % of reading +0.2 % of range) 1 A to 20 A range: ± (0.5 % of reading +0.1 % of range) | |
| 66 Hz to 2.4 kHz | 0.5 A range: ± ((0.5 +0.417 ×n kHz) % of reading +0.2 % of range) 1 A to 40 A range: ± ((0.5 +0.417 ×n kHz) % of reading +0.1 % of range) | 0.5 A range: ± ((0.5 +0.417 ×n kHz) % of reading +0.2 % of range) 1 A to 20 A range: ± ((0.5 +0.417 ×n kHz) % of reading +0.1 % of range) | ||
| Power measurement function | Display item | Effective power, apparent power, reactive power and power factor | ||
| Effective power accuracy | P ≥ 150 W (±1 % of range) , P < 150 W (±1.5 W) | |||
| Frequency measurement function | Measurement input | Independent measurement of frequencies for voltages of L1, L2 and L3 | Measurement of frequency for voltage | |
| Measurement frequency range / accuracy / resolution | 45Hz〜65Hz/±(0.15% of reading+2digits)/0.001Hz | |||
| Phase measurement function | Measurement items | Voltage/current phases, line voltage phase *2 and harmonic phase | ||
| Measuring range/resolution | 0.00° to 359.99° / 0.01° | |||
| Harmonic current measurement function | Compliant standards | IEC 61000-3-2 Ed5.0, IEC 61000-3-2 Ed3.0, IEC 61000-3-2Ed2.2, JIS C61000-3-2(2019), JIS C61000-3-2(2005), IEC 61000-3-12 Ed2.0, IEC 61000-3-12 Ed1.0 | IEC 61000-3-2 Ed5.0(2018), IEC 61000-3-2 Ed2.2(2004), IEC 61000-3-2 Ed3.0(2005), JIS C61000-3-2(2003), JIS C61000-3-2(2005), JIS C61000-3-2(2019) | |
| Requirements for measuring instrument standard | IEC 61000-4-7 Ed2.1(2009), IEC 61000-4-7 Ed2.0(2002), IEC 61000-4-7 Ed1.0(1991) | |||
| Harmonic analysis order | 40 th (HA mode), 180 th (OTHER mode) | |||
| Interharmonics processing | Processing ON (2nd order and more): IEC 61000-4-7 Ed2.1(2009), Processing ON: IEC 61000-4-7 Ed2.0(2002) Processing OFF: IEC 61000-4-7 Ed1.0(1991) | |||
| Window function | Rectangular | |||
| Window width | 10 cycles(50 Hz) 12 cycles(60 Hz), 16 cycles(50 Hz/60 Hz) | |||
| Anti-aliasing filter | Cutoff frequency: 6 kHz, 4 th Butterworth type (HA mode), 15 kHz 4 th Butterworth type (Other mode) | |||
| Class D judgment function | Current waveform inclusion rate of 95 % or more (equivalent to JIS C61000-3-2:2003 Class D) *3 | |||
| Harmonic voltage measurement function | Measurement items | Voltage, frequency and voltage harmonic inclusion rate | ||
| Voltage harmonic analysis order | 40 th | |||
| Flicker/voltage fluctuation analysis function | Compliant standards | IEC 61000-3-3 Ed3.1(2017), IEC 61000-3-3 Ed2.0(2008) *2, IEC 61000-3-11 Ed2.0(2007) *2 | ||
| Requirements for measuring instrument standard | IEC 61000-4-15 Ed2.0(2010), IEC 61000-4-15 Ed1.1(2003) | |||
| Flicker | Pst accuracy | 1 ± 5 % | ||
| Pst measurement time | 30 to 900 seconds | |||
| Voltage fluctuation | Measurement method | Selectable between simultaneous measurement with Pst and independent measurement | ||
| dmax measurement of manual switching equipment | 3 to 24 times (Measuring time for each time: 30 to 180 seconds) | |||
| General measurement function | Current/voltage waveform monitor, FFT analyzer and In-rush current measurement | |||
| Communication interface | GPIB, RS232C, and USB interfaces are equipped as standard. | |||
| Removal data storage | Supported media | Compact Flash memory card (CF card) *4, maximum capacity: 512 MB, USB Memory*2, maximum capacity: 16 GB | ||
| External equipment control function | PCR-LE control (RS232C) | Voltage, frequency, range, ON phase, OUTPUT ON and OFF | ||
| Power supply | Nominal voltage range | 100 V to 240 V AC 50 Hz to 60 Hz | ||
| Environmental conditions | Operating temperature and humidity ranges | 0 °C to +40 °C (+32 °F to +104 °F), 20 %rh to 80 %rh (no condensation) | ||
| Withstanding voltage | 1500 VAC, 1 minute (AC input ↔ chassis), 3550 VAC, 1 minute (measuring terminal ↔ chassis) | 1500 VAC, 1 minute | ||
| Dimensions Unit: mm (inches) | 430(16.93)(455(17.91))W × 177(6.97)(195(7.68))H × 270(10.63)(330(12.99))D mm(inch) | |||
| Weight | Approx. 10 kg (22.05 lb) | Approx. 8 kg | ||
| Safety | Conforming to the following standard requirements: IEC 61010-1:2001 (Class I, Pollution degree 2) | |||
| Electromagnetic compatibility | IEC61326-1 A3:2003 | |||
| Accessories | Power cord, voltage sensing terminal plug and short-circuit wire kit (with a dedicated screwdriver), spare fuse and operation manual | |||
*1: n = indicates frequency. *2: Only Model KHA3000. *3: Users are requested to prepare the CF card. Note that the maximum supported capacity of a CF card is 512 MB.

