| Number of analogue input channels | 20 channels in standard configuration, Expandable up to 200 channels |
| Number of analogue input terminals | Up to 10 terminals (20 channels / terminal), standard config: 1 |
| Type of analogue input terminal | Multi-input type, Withstand-voltage type |
| Port for digital sensor | 1 port for the sensor/input terminal/adapter of the GL100 |
External input/
output *1 | | Input *2 | Trigger or Sampling (1 channel), Logic/Pulse (4 channels) | | Output *3 | Alarm (4 channels) |
|
| Sampling interval | 10 ms to 1 hour (10ms to 50ms: voltage only) *4, External signal |
| Time scale of waveform display | 1 sec. to 24 hour /division |
| Trigger, Alarm function | | Trigger action | Start or stop capturing data by the trigger | | Repeat action | Off, On (auto rearmed) | | Trigger source | Start: Off, Measured signal, Alarm, External, Clock, Week or Time
Stop: Off, Measured signal, Alarm, External, Clock, Week or Time | | Condition Setting | Combination: OR or AND
Analog signal: Rising (High), Falling (Low), Window-in, Window-out
Logic signal: Pattern (combination of each input signal in high or low)
Pulse (number of count): Rising (High), Falling (Low), Window-in, Window-out |
|
| Alarm output | Outputs a signal when alarm condition occurs in the input signal |
| Pulse input function | Rotation count
(RPM) mode | Counts the number of pulses per sampling interval and converts to rpm
(rotations per minute), Number of pulses for one rotation can be set to
50, 500, 5000, 50k, 500k, 5M, 50M, 500M rpm/F.S. (rpm./Full Scale) | Accumulating
count mode | Accumulates the number of pulses from the start of measurement
50, 500, 5000, 50k, 500k, 5M, 50M, 500M C/F.S. (Counts/Full Scale) | Instant count
mode | Counts the number of pulses per sampling interval
50, 500, 5000, 50k, 500k, 5M, 50M, 500M C/F.S. (Counts/Full Scale) | | Maximum number of pulse inputs | Maximum input frequency : 50kHz
Maximum number of count : 50kC/sampling (16-bit counter) |
|
| Calculation function | | Between channels | Addition, Subtraction, Multiplication, and Division for analog input | | Statistical | Select two calculations from Average, Peak, Maximum, Minimum, RMS |
|
| Search function | Search for analogue signal levels, values of logic or pulse or alarm point
in captured data |
|
| Interface to PC | Ethernet (10 BASE-T/100 BASE-TX), USB (Hi-speed), WLAN (using B-568 option) |
| Storage device | | Internal | Built-in 4GB Flash Memory *6 | | External | One SD card slot (Support SDHC memory card, up to 32GB) *7 | | Saved contents | Captured data, Setting conditions, Screen copy |
|
| Back up recording data function | | Backup interval *8 | Off, 1, 2, 6, 12, 24 hour(s) | | Backup file destination *8 | SD memory card or FTP server | | Data format *8 | GBD (binary) or CSV (test) |
|
| Check-sum function (Verifies data file) | OFF: Not adding check-sum code to data file.
ON: Adding check-sum code to data file. Check-sum code is verified when replaying data on the GL unit or GL-Connection software. |
| Capturing mode | Mode: Normal, Ring, Relay
Ring: Saves most recent data (Number of capturing data: 1000 to 2000000 points) *9
Relay: Saves data to multiple files without losing data until dada capturing is stopped |
| Replay data | Replays captured data that was saved in the GL840 (in GBD or CSV format) |
| Scaling (Engineering unit) function | Measured value can be converted to specified engineering unit
• Analog voltage: Converts using four reference points (gain, offset)
• Temperature: Converts using two reference points (offset)
• Pulse count: Converts using two reference points (gain) |
| Action during data capture | • Displaying past data (using dual display mode (Current + Past data))
• Hot-swapping the SD memory card
• Saving data in between cursors |
| Display | | Size | 7-inch TFT color LCD (WVGA: 800 x 480 dots) | | Language | English, French, German, Chinese, Korean, Russian, Spanish, Japanese | | Information *10 | Waveform in Y-T with digital values, Waveform only, Digital value, Digital values
and statistics values |
|
| Operating environment | 0 to 45 ºC, 5 to 85 % RH (non condensed)
(When operating with battery pack 0 to 40 ºC, charging battery 15 to 35 ºC) |
| Power source | | AC adapter | 100 to 240 V AC, 50/60 Hz (1 pc of adapter is attached as standard accessory) | | DC power | 8.5 to 24 V DC (DC drive cable (option B-514) is required) | | Battery pack | Mountable two battery packs (battery pack (option B-569): 7.2V DC, 2900mAh) |
|
| Power consumption | Max. 38 VA |
External dimensions (W x D x H
in mm, Excluding projections) | GL840-M: Approx. 246 x 161 x 58.2 (with the cover)
GL840-WV: Approx. 246 x 170.4 x 58.2 (with the cover) |
| Weight | GL840-M: Approx. 1218 g (the cover is attached)
GL840-WV: Approx. 1244 g (the cover is attached) |
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Graphtec GL840 User Manual
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