| Recorder (For power line fault monitoring) |
MEMORY HiCORDER 8808-51 |
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 STANDARD

 Commercially available |
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| Instantaneous Analysis and Long-term Recording of Harmonic Waves for Maintenance of Commercial Power Systems |
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- Measure harmonics up to 40 orders from the fundamental wave
- Analysis display includes RMS value, content factor, phase angle, active power, and power phase angle for each order of harmonics (numeric and graphic display)
- Analysis display of total RMS value, total deitortion, active/ reactive/ apparent power, and power factor (numeric display)
- Bar graph and numeric data display
- Power phase angle can be displayed as a vector
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| Specifications for the harmonic wave analysis section |
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| *The waveform recording functions of the 8807-51 is identical to these of the 8807-01. For details on specifications other than these concerning the harmonic wave analysis functions, refer to the catalog for the 8807-01 |
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| Connection types |
Independent channels, single-phase two-wire, single-phase three-wire, and three-phase three-wire |
| Fundamental frequency range |
45 Hz to 65 Hz, Automatic setting or manual setting (0.1 Hz resolution) |
| Number of orders for analysis |
Fundamental wave to 40th order |
| Analysis frequency band |
45 Hz to 2.6 kHz |
| Sampling speed |
400 kS/s fixed |
| Number of FFT operations |
512 points (sampled during one cycle of the fundamental wave) |
| Time series analysis mode |
For any harmonic wave order number:
RMS value/ content factor/ phase angle/ active power/ active power content factor/ power phase angle
Total RMS value, total distortion-F, total distortion-R, active power, apparent power, reactive power, power factor |
| Time axisat time series analysis mode |
5 minutes to 12 hours/division, 7 settings (80 samples/division) |
| Instantaneous analysis mode |
Numeric data + graph:
harmonic wave RMS value, harmonic wave content factor, harmonic wave phase angle, harmonic wave active power, harmonic wave active power content factor, harmonic wave power phase angle
Numeric data only:
Total RMS value, total distortion-F, total distortion-R, active power, apparent power, reactive power, power factor |
| Other functions |
Harmonic wave trigger function, scaling, wiring and level check, over-range function, tabulated results output, cursor measurement |
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| Basic specifications |
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| Measurement ranges |
10 mV to 100 V/division, 13 ranges (10 division f.s.), resolution: 1/160 of range, AC voltage for possible measurement/ display using the memory function : 450 V rms * 100 V/division excludes the RMS & memory recorder function |
| Frequency characteristic |
DC to 50 kHz ±3 dB |
| Time axisat memory recorder function |
200 µs to 5 minutes/division, 19 settings (1 division =80 samples) |
| Measurement functions |
(1)Memory recorder, (2)Recorder, (3)RMS recorder & memory (50/60 Hz or DC only) (4)Harmonic wave analysis (Time series analysis mode), (5)Harmonic wave analysis (Instantaneous analysis mode) |
| Number of input channels |
Analog (4 channels standard) + logic (8 channels standard) *fixed input section |
| Memory capacity |
256 k words/ch (using CH1) to 64 k words/ch (using 4 channels) |
| Data storage |
Type II PC card slot (9726/ 9727/ 9728/ 9729 PC card, 128MB to 1GB) |
| Interfaces |
RS-232C (the optional RS-232C CABLE 9612 is required for connection to PC) |
Interfaces
(optional, sold separately) |
Detachable printer: PRINTER UNIT 8992 can be connected |
| Recording and display |
5.7-inch STN color LCD, 112 mm (4.4 in) × 18 m (59.06 ft), thermal paper roll |
| Other functions |
DMM function (voltage shown as numerals on the display), Scaling, Parameter calculations, Cursor readout, etc. |
| Power supply |
100 to 240V AC (50/60 Hz) with use the AC ADAPTER 9418-10 (option)
BATTERY PACK 9447 (Continuous use 3 hours) (option) LR6 (AA) × 6 (Continuous use 1 hours) (LR6 batteries cannot be used with PRINTER UNIT 8992) |
| Dimensions, mass |
203 mm(7.99 in)W × 170 mm(6.69 in)H × 52 mm(2.05 in)D, 1.2 kg (42.33 oz) 280 mm(11.02 in)W × 170 mm(6.69 in)H × 52 mm(2.05 in)D, 1.6 kg (56.44 oz) (printer attached) |
| Accessories |
LR6/AA alkaline batteries (6), alkaline battery box (1), shoulder belt (1) |
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