Descripción
Hioki MR8870-20 PRO KIT – Memory HiCorder Pro Kit
- Kit includes Memory HiCorder (MR8870-20), Carrying case (9782), Battery pack (9780), 9728, test leads (x2) L9197
- Mode for recording instantaneous waveform and RMS fluctuations
- Save values in real time to a CF card
- Record four channels at once by synchronizing two instruments with the bundled PC application
- Compact and easy to carry
Hioki Memory HiCorders are high-speed waveform monitoring and recording devices that can simultaneously measure multiple quick-changing phenomena due to complete isolation between channels and from each channel to the ground. The MR8870 is a handheld data acquisition (DAQ) recorder built in with 2 analog channels and 2MW of memory, suitable for elevator maintenance, machine, motor and inverter fault analysis, testing and inspections.
Record Motor Rush Current
Precisely record motor power-on inrush current waveforms when paired with the 9018-50 Clamp On Probe or 3283 Clamp On Leak HiTester. Measure direct current waveforms with a variety of AC/DC current sensors.
Measure CB Timing
Analyze the relationships of multi-point logic signals and analog waveforms to detect timing issues that can affect power supply circuit breakers. Use logic probes to record relay operations on up to four channels, or use the Differential Probe P9000 for three-phase 440 v power line measurements and for support of CAT III 600 V measurement categories.
Analyze Sequence Controller Issues
When sequence controllers being used in processes such as production and testing lines stop due to errors or generate warning output, potential causes include momentary AC power interruptions and brownouts. The MR8870 is ideal for analyzing the operation of such systems since it can record the correlation of sequence relay signals, AC power circuits, and DC voltage circuits as waveforms using power supply anomalies as a trigger.
Manufacturer Specs
| Hioki MR8870-20 PRO KIT Specifications | |
| 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 盜 to 5 min/div, 20 ranges, at 100 points/div resolution, three steps of time-axis magnification from x2 to x10, and 9 steps of time-axis compression from x1/2 to x1/1,000 |
| 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 x 2M-words/ch (1 word = 2 bytes) |
| Removable storage | CF card TYPE I slot x1 (Up to 2 GB) |
| Display | 4.3-inch WQVGA-TFT color LCD (480 x 272 dots) |
| Displayable languages | English, Japanese |
| Interfaces | USB 2.0 mini-B receptacle x1, 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蚓 reference value; when used with the Z1005, the Z1005 takes priority), charging time of 200 min. using the AC adapter (25蚓 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 x 101 mm (3.98 in)H x 41 mm (1.61 in)D, 600 g (21.2 oz) (with the Battery pack 9780 installed) |
| Accessories | Instruction manual x1, Measurement guide x1, AC adapter Z1005 x1, Strap x1, USB cable x1, Application disk (Dedicated program for the MR8870) x1, Protection sheet 9809 x1 |
Tech Specs
Dataloggers / Data Acquisition/Data Recorders Template |
|
|---|---|
| Type (Recorders) | Data Logger |
| Style (Recorders) | Bench / Portable |
| # Channels Expanded plus Logic (Recorders) | 6 EA |
| # Channels Base Unit (Recorders) | 6 EA |
| Display (Recorders) | Built-in, Included w/ Base Unit |
| # Logic / Digital Channels (Recorders) | 4 |
| Sampling Interval (Controllers/Recorders) | 0.001 ms |
| Sampling Frequency (Recorders) | 1 MS/S |
| Input Types (Controllers/Recorders) | Digital / Logic / On-Off, Voltage |
| Bits | 12 |
| Power Source | AC Line, Battery |
| Screen Size | 4.3 IN |
| Special Functions (Recorders) | External Trigger, PC Software Available |
| Data storage | Yes |
| Isolated Inputs (Recorders) | Yes |
| Accuracy | ±0.5 % f.s. (after zero-adjust, in measurement range, f.s. = 10 div) |
Test Equipment General Attributes |
|
| Warranty | 2 YEARS |
| Interfaces I/O | Analog Input , Remote Sense, USB |
| Product Weight | 1.32 LBS |
| Product Height | 1.61 IN |
| Product Length | 3.98 IN |
| Product Width | 6.93 IN |
| Shipping Weight | 5.00 LBS |
| Data Logging | Yes |
| Battery Type | NimH |
| Power Supply Voltage | 120V/220V Universal, Battery Powered |
| Country of Origin | Japan |
| Shipping Height | 5.5 IN |
| Shipping Length | 9 IN |
| Shipping Width | 7 IN |
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