Hioki Memory HiCorders adalah perangkat pemantauan dan perekaman gelombang kecepatan tinggi yang secara bersamaan dapat mengukur berbagai fenomena yang berubah cepat karena isolasi penuh antara saluran dan dari setiap saluran ke tanah. MR8870 adalah perekam akuisisi data genggam (DAQ) yang dibuat dengan 2 saluran analog dan memori 2MW, cocok untuk pemeliharaan elevator, pengujian, dan inspeksi kesalahan mesin, motor dan inverter.
| Number of channels | 2 analog channels + 4 logic channels (standard) Note: Isolated analog channels, isolated input and frame, logic has common GND |
|---|---|
| Measurement ranges | 10 mV to 50 V/div (10 div full-scale), 12 ranges, Resolution: 1/100 of range |
| Max. rated voltage | Between terminals: 400 VDC, Between terminal to earth: 300 VAC, DC CAT II |
| Frequency characteristics | DC to 50 kHz (-3 dB) |
| Time axis (Memory mode) | 100 µs to 5 min/div, 20 ranges,at 100 points/div resolution, three steps of time-axis magnification from ×2 to ×10, and 9 steps of time-axis compression from ×1/2 to ×1/1,000 |
| Recording intervals (RMS mode) | 1 ms to 1 min., 16 settings, sampling period: 200 μs (fixed) (for AC voltage/current, 1,000 RMS values/sec.), envelope mode always on Note: Only the maximum value and minimum value for each recording interval are recorded. |
| Measurement functions | Memory recorder (high speed recording), RMS recorder (50/60 Hz, DC only) |
| Memory capacity | 12-bits × 2M-words/ch (1 word = 2 bytes) |
| Removable storage | CF card TYPE I slot ×1 (Up to 2 GB) |
| Display | 4.3-inch WQVGA-TFT color LCD (480 × 272 dots) |
| Displayable languages | English, Japanese |
| Interfaces | USB 2.0 mini-B receptacle ×1, Functionality: Connect the instrument to a PC to send files on the CF card to the PC. The instrument cannot be controlled from a PC. |
| Printer | N/A |
| Power supply | AC Adapter Z1005: 100 to 240 VAC (50/60 Hz) , 30 VA max. (when using the AC adapter and charging the 9780 with the instrument) Battery Pack 9780: 3 VA, continuous operating time of approx. 2 hr. (25°C reference value; when used with the Z1005, the Z1005 takes priority), charging time of 200 min. using the AC adapter (25°C reference value) (option) External DC power: 10 to 16 V, 10 VA max. (connection cord of 3 m or less is available by special-order) |
| Dimensions and mass | 176 mm (6.93 in)W × 101 mm (3.98 in)H × 41 mm (1.61 in)D, 600 g (21.2 oz) (with the Battery pack 9780 installed) |
| Accessories | Instruction manual ×1, Measurement guide ×1, AC adapter Z1005 ×1, Strap ×1, USB cable ×1, Application disk (Dedicated program for the MR8870) ×1, Protection sheet 9809 ×1 |
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