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Hioki 8870-20
Palm-Size Memory HiCorder
Click image to enlarge
Hioki 8870-20
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 Datasheet
Includes:
- AC Adapter
- PC Wave Processor Program
- USB Cable
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Features:
Applications:
- Automobile fault analysis, testing and road-testing
- Elevator maintenance
- Power plant and machine fault analysis, testing and inspection
- Motor and inverter device fault analysis, testing and inspection
- Fault analysis on overseas business trips and at machine installation sites
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Additional Photos:
Click images to enlarge
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Description
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Easy recording anytime, anywhere!
Hioki's traditional Memory HiCorder functions are now condensed into a lowprofile, turn-key device. The compact design includes a beautiful wide-screen QVGA-TFT LCD. Easy to use, with great functionality and performance, you will want to keep this extraordinarily compact MEMORY HiCorder close to hand.
The new 8870-20 builds on the good reputation earned by the Hioki compact (B5-size) Memory HiCorder (Model 8807-01). Hioki has further miniaturized HiCorder volume by 40% for this new palm-sized model. Weight has also been reduced by about 55% from the earlier model, to 600 grams, but the new instrument nevertheless offers powerful analysis capabilities for abnormal waveforms, resulting in a handy, but high performance device that is portable and convenient enough to take along to onsite surveys and remote measurement locations.
Measurement inputs consist of two isolated analog channels and four logic channels rated at 400 V DC. High-speed recording is provided by a maximum sampling rate of one megasample per second. Two Megawords of (12-bit) internal memory is built-in, and data is saved to a CF card (up to 1 GB capacity) for display and analysis on a personal computer. An external USB 2.0 port is included for direct transfer of data from the installed CF card to the computer. (The 8870-20 appears like an external drive on your PC.)
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Features In Detail
- Compact design for easy portability
The ultra-compact design has only 40% of the volume of its predecessor MEMORY HiCorder 8807-01, and weight has been reduced to just 600 grams. The new 8870-20 fits inconspicuously a briefcase, so it can easily be carried even on overseas business trips.
- Simple, intuitive operation
The "Settings Navigator" feature easily guides the user through operations, usually without need to refer to the instruction manual. Target waveforms can be reliably captured using only simple memory recorder functions. Pull-down menus provide easy access to settings while viewing input signal levels and waveforms.
- Easy PC connection
Connect the MEMORY HiCorder to a personal computer using the supplied USB cable to easily transfer data that has been automatically saved to the CF card. Use the bundled Windows application program to display and print waveforms from the PC. CSV file conversion is provided for displaying measurement data in Excel spreadsheets. USB 2.0 compliance supports high-speed data transfers.
- Ultra-compact instrument with high-speed recording at 1 MS/s
The compact design includes a large two-Megaword (12-bit) internal memory and supports high-speed recording at up to 1 Megasample per second. Reliably capture waveforms of interest to analyze anomalies.
- Includes built-in, compact-but-sharp wide QVGA-TFT LCD screen
The high-resolution 4.3-inch WQVGA-TFT waveform monitoring screen, similar to those used in popular video game consoles, has already received praise from many sources for its excellent visibility, despite its small size.
- Record high voltage and large current (two isolated measurement channels)
MEMORY HiCorder 8870-20 supports measurements up to 400V DC by itself, and records waveforms up to 2000V DC and 1000V AC when using the HIOKI Differential Probe Model 9322, as well as current measurements up to 1000A AC when using a clamp sensor.
Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 8870-20 |
2 Channel Memory HiCorder Includes: AC Adapter, PC Wave Processor Program, USB Cable |
$1295.00 |
| $1178.45 |  |
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| 8870-20PRO |
2 Channel Memory HiCorder Includes: 9782 Hard Carrying Case, Rechargeable Battery Pack 9780, 2ea. 9197 Connecton Cord, 9726 128 MB CFC, AC Adapter, PC Wave Processor Software, USB Cable |
$1795.00 |
| $1633.45 | |
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| Model |
Accessories |
List Price |
Sale Price |
| 9320-01 |
Logic Probe for 8807/8808, 8860/8861 1MHz |
$349.00 |
| $317.59 | |
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| 9321-01 |
Logic Probe for 8807/8808, 8860/8861 20MHz |
$389.00 |
| $353.99 | |
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| 9323 |
Conversion Cable |
$69.00 |
| $62.79 | |
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| 9322 |
Differential Probe |
$695.00 |
| $632.45 | |
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| 9418-15 |
AC Adapter |
$169.00 |
| $153.79 | |
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| 9197 |
Test Lead up to 500V |
$109.00 |
| $99.19 | |
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| 9198 |
Test Lead up to 300V |
$69.00 |
| $62.79 | |
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| 9790 |
Connection Cord |
$119.25 |
| $108.52 | |
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| 9790-01 |
Alligator Clip |
$34.95 |
| $31.80 | |
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| 9790-02 |
Grabber Clip |
$43.95 |
| $39.99 | |
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| 9790-03 |
Contact Pin |
$37.95 |
| $34.53 | |
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| 9780 |
Battery Pack 8870-20 |
$119.00 |
| $108.29 | |
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| 9199 |
Conversion Adapter (Banana-BNC) |
$49.00 |
| $44.59 | |
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| 9809 |
Protection Sheet of LCD |
| Call | |
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| 9782 |
Carrying Case 8870-20 |
$119.00 |
| $108.29 | |
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| 9812 |
Soft Case for the 8870-20 |
$26.95 |
| $24.52 | |
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| 9726 |
128MB Compact Flash Card |
$225.00 |
| $204.75 | |
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| 9727 |
256MB Compact Flash Card |
$275.00 |
| $250.25 | |
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| 9728 |
512MB Compact Flash Card |
$445.00 |
| $404.95 | |
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| 9729 |
1GB Compact Flash Card |
$890.00 |
| $809.90 | |
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| 9018-50 |
AC Clamp On Transducer |
$295.00 |
| $268.45 | |
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| 9132-10 |
Clamp On Adapter |
$239.00 |
| $217.49 | |
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Specifications
| No. of channels |
2 analog and 4 logic channels (standard configuration, logic grounds are common with instrument ground) |
| Measurement functions |
MEM (high-speed recording) |
| Fastest sampling rate |
1 MS/s (1 ms, all channels simultaneously) |
| Memory capacity |
12 bits × 2 MWords/ch |
| Removable storage |
CF card Type I slot (standard equipment) × 1: Up to 1 GB (Flash ATA), supports FAT16 and FAT32 formats |
| Backup function |
Clock and settings: 5 years or more (@25°C 77°F)
Waveform backup function: available when BATTERY PACK 9780 is installed with charge remaining or AC adapter is connected (up to 100 hours with fully charged battery pack). |
| External interface |
USB: 1 port USB 2.0 High Speed mini-B receptacle, transfers files from the installed CF card to a PC when connected (mass storage class device)
Note: The CF card installed in the HiCORDER appears as a removable disk on the PC, but communication functions such as the capability to change HiCORDER settings from the PC are not provided. |
| External control terminals |
Terminal block: External trigger input, trigger output |
| Display type |
4.3-inch WQVGA-TFT color LCD (480 × 272 dots) |
| Display resolution |
Waveform section: 20 × 10 divisions (time axis × voltage axis), each division is 20 × 20 dots |
Environmental conditions
(no condensation) |
Temperature and humidity range for use: 0°C (32°F) to 40°C (104°F), 80% rh or less
Temperature and humidity range for storage: -10°C (14°F) to 50°C (122°F), 80% rh or less |
| Compliance standard |
Safety: EN61010,
EMC: EN61326, EN61000-3-2, EN61000-3-3 |
| Power requirements |
AC ADAPTER 9786: 100 to 240 V AC (50/60 Hz)
BATTERY PACK 9780: About 2h continuous operation
(AC adapter has priority when both are used)
12 V DC supply: 10 to 16 V (cable available by special order) |
| Charging functions |
The installed battery pack charges when the AC adapter is connected.
Charging time is about 200 minutes at 25°C (77°F).
Notes: Charging time depends on battery condition. Charging is disabled to protect the battery at ambient temperatures out of 5°C (41°F) to 30°C (86°F). |
| Power consumption |
30 VA max. (charging with the AC adapter)
10 VA max. (charging with a 12 V supply) |
| Dimensions and mass |
Approx. 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) |
| Supplied accessories |
Instruction Manual × 1, Measurement Guide × 1, AC ADAPTER 9786 × 1, Strap × 1, USB cable × 1, Application Disk (dedicated program for the 8870-20) × 1, PROTECTION SHEET 9809 × 1 |
| Trigger modes |
Single or continuous |
| Trigger sources |
Two analog and four logic channels, external trigger (falls below 2.5 V, or shorted terminals),
ON/OFF switching of each source, AND/OR between sources, manual triggering |
Trigger types
(analog) |
Level trigger: Triggering occurs when the signal rises or falls through a specified voltage level.
Window trigger: Triggering occurs when the signal level rises above or falls below specified upper and lower limits. Voltage drop trigger: Intended particularly for 50/60 Hz commercial power, triggering occurs when the peak voltage is below the specified value. |
| Level setting |
Resolution: 0.5% of full scale (full scale = 10 divisions) |
| Logic Trigger |
1, 0, ×, or specified pattern |
| Trigger filter |
Set by the number of samples, from 0 to 100, in five steps |
| Other functions |
Pre-trigger recording to capture waveforms before and after triggering, trigger output (terminal block, 5-volt open-collector active low with at least 1 ms pulse width) |
| Measurement functions |
Number of channels: 2, for voltage measurement |
| Input connectors |
Isolated BNC connector (input impedance 1 MΩ, input capacitance 7 pF)
Max. rated voltage to earth: 300 V AC, DC, CAT II (with input isolated from the unit, the maximum voltage that can be applied between input channel and chassis and between input channels without damage) |
| Measurement range |
10 mV to 50 V/div, 12 ranges, full scale: 10 div, AC voltage for possible measurement/display using voltage axis × 1/2: 280 Vrms,
Low-pass filter: 5 Hz/50 Hz/500 Hz/5 kHz |
| Measurement resolution |
1/100 of measurement range (using 12-bit A/D conversion, measurement range is ±10 times per-division range value) |
| Highest sampling rate |
1 MS/s (simultaneous sampling in 2 channels) |
| Accuracy |
DC amplitude: ±0.5 % of full scale (after zero-adjust, f.s. = 10 div of per-division measurement range) |
| Frequency characteristics |
DC to 50kHz -3dB |
| Input coupling |
DC/GND |
| Max. allowable input |
400 V DC (the maximum voltage that can be applied across input pins without damage) |
| Time axis |
100 μs to 5 min/div, 20 ranges, time axis resolution 100 points/div,
time axis zoom: ×2 to ×10 in 3 stages, compression: 1/2 to 1/1,000 in 9 stages, Auto roll mode display at 50 ms/div or slowely range |
| Sampling speed |
1/100th of time axis range, (1 μs period maximum, simultaneous sampling in all channels) |
| Recording length |
Ten settings from 20 to 20,000 div, or continuous
(limited by timebase, only the last 20,000 div are saved) |
| Pre-trigger |
Records waveforms prior to trigger events, from 0 to 100% of the specified recording length |
| Screen types |
Split screen (none, only 1 screen), X-Y screen (none, but possible at use with the supplied PC software), Waveform or numerical logging (switched), Voltage axis zoom (×2 to ×10), compression (×1/2 to ×1/5) |
| Numerical display |
Instantaneous value or RMS value display (only DC and 50/60 Hz)
Reflesh rate: 0.5 sec, Sampling speed: 10 kS/sec, 4 digits: (the lowest digit displays as 0 for values 0 to 4, and 5 for values 5 to 9)
Voltage axis range 10 mV, 50 mV, 100 mV, 500 mV, 1 V, 5 V, 10 V, 50 V/div, auto ranging,
Accuracy : ±2.5 % of reading ±5 digits |
| Numerical calculation |
Up to four simultaneous calculations (common to all channels), calculation results are saved to CF card,
Calculation contents: average, peak, maximum and minimum values, RMS, period and frequency
Calculation range: specified by A/B cursors or whole recording length |
| Saving function |
Setting configurations, measurement data (binary and text), screen data (compressed bitmap format), numerical calculation results, thinned data saving (text) |
| Cursor readout |
Trace, vertical and horizontal |
| Scaling function |
Selectable by model (clamp or Differential Probe 9322), specified conversion ratio (output ratio, division ratio), 2-point setting method |
| Comment entry |
Title comments can be entered for each channel (including logic) |
| Screen capture |
The displayed screen is saved to CF card as a compressed bitmap |
| Gauges |
Vertical axis gauges can be displayed for two channels on the waveform screen |
| Preserve starting conditions |
If power fails while measuring, measurement can be automatically resumed when power is restored |
| Auto save |
Included |
| Scroll bar |
To jump to a specific waveform location |
| Waveform monitor |
Setting is possible while monitoring waveforms on the Settings screen |
| Logic signal view |
In 4-bit units, four selectable display positions |
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