GL840 MAIN UNIT SPECIFICATIONS

Item Description
Model number GL840-M GL840-WV
Number of analog input channels 20 channels in standard configuration, Expandable up to 200 channels
Number of analog input terminals Up to 10 terminals (20 channels / terminal), standard config: 1
Type of analog 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 *5
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)
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 analog 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
Capturing mode Mode: Normal, Ring, Relay
Ring: Saves most recent data (Number of capturing data: 1000 to 2000000 points) *8
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 *9 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 *10 Max. 38 VA
External dimensions (W x D x H
in mm, Excluding projections)		 Approx. 240 x 158 x 52.5 Approx. 240 x 166 x 52.5
Weight *11 Approx. 1010 g Approx. 1035 g
Warranty 3-Yr Standard Warranty

*1. Input/Output cable for GL (option B-513) is required to connect logic/pulse.

*2. Input signal;

  • Voltage range: Up to 24V (common ground)

  • Signal type: Voltage, Open collector, Contact (relay)

  • Threshold: Approx. + 2.5 V (Hysteresis: Approx. 0.5V (2.5V to 3V))

*3. Output signal: Open collector (pull-up to 5V by 10kΩ resistor) <Maximum rating of the output transistor> 

  • Voltage: Max. 30V

  • Current: Max. 0.5A

  • Collector dissipation: Max. 0.2W

*4. Minimum interval varies by number of channels used.

*5. Output port can be specified in each input channel.

*6. Built-in Flash memory is available for units with serial numbers C6043XXX or later. Please contact your local representative for more information.

*7. SD memory card cannot be used on SD card slot while the wireless LAN unit (opton B-568) is used.

*8. Size of the capture data will be limited to 1/3 of available memory.

*9. Display mode is switched every time the dedicated key is pressed. In magnified digital value mode, the displayed channel number can be specified. In the waveform display mode, the changing of the time scale will be effective from the point of the next displayed data.

*10. Rating under maximum power consumption using the AC adapter, with LCD display on, and battery pack being charged.

*11. Excludes AC adapter and battery pack.

 

WIRELESS LAN UNIT SPECIFICATIONS (OPTION)

Item Description
Model number B-568
Supported device GL840
Communication method Wireless communication (using radio waves in the 2.4GHz band)
Supported WLAN system IEEE802.11b/g/n
WPS: Push button or PIN method
Security protocols: WEP64, WEP128, WPA-PSK/WPA2-PSK, AKIP/AES
Communication distance: Approx. 40m (depending on the conditions of radio
communication)
Installed location Attaches to the SD card slot *7
Function Access Point mode: Communicate with the GL100-WL as a remote sensor
(captured data in the GL100-WL is transferred to GL840)
Station mode: Communicate with PC or Smart device (control GL840 and
transfer the data from GL840)
Connected number of GL100-WL GL840: Up to 5 units of the GL100-WL
 

GL840 ANALOG INPUT SPECIFICATIONS

Item Description
Model number GL840-M, Input terminal B-564 GL840-WV, Input terminal B-565
Input method All channels isolated balanced input *12, Scans channels for sampling
Type of input terminal Screw terminal (M3 screw)
Measurement
range		 Voltage 20, 50, 100, 200, 500 mV, 1, 2, 5, 10, 20, 50, 100 V, and 1-5V F.S. (Full Scale)
Thermocouple Type: K, J, E, T, R, S, B, N, W (WRe5-26)
Range: 100, 500, 2000 ºC *13
RTD (Resistance
Temperature Detector)		 Type: Pt100, Pt1000 (IEC751), JPt100 (JIS)
Range: 100, 500, 2000 ºC *13
Humidity 0 to 100 % RH - using the humidity sensor (option B-530)
Filter Off, 2, 5, 10, 20, 40 (moving average in selected number)
Measurement accuracy *14
Voltage ± 0.1% of F.S. (Full Scale) ± (0.05% of F.S. + 10μV)
Temperature (Thermocouple) *15
  Type Measurement range
(TS: Temp Sense)		 Measurement accuracy Measurement accuracy
R 0 ≤ TS ≤ 100 ºC ± 5.2 ºC ± 4.5 ºC
100 < TS ≤ 300 ºC ± 3.0 ºC ± 3.0 ºC
300 < TS ≤ 1600 ºC ± (0.05% of rdg. + 2.0 ºC) ± 2.2 ºC
S 0 ≤ TS ≤ 100 ºC ± 5.2 ºC ± 4.5 ºC
100 < TS ≤ 300 ºC ± 3.0 ºC ± 3.0 ºC
300 < TS ≤ 1760 ºC ± (0.05% of rdg. + 2.0 ºC) ± 2.2 ºC
B 400 ≤ TS ≤ 600 ºC ± 3.5 ºC ± 3.5 ºC
600 < TS ≤ 1820 ºC ± (0.05% of rdg. + 2.0 ºC) ± 2.5 ºC
K -200 ≤ TS ≤ -100 ºC ± (0.05% of rdg. + 2.0 ºC) ± 1.5 ºC
-100 < TS ≤ 1370 ºC ± (0.05% of rdg. + 1.0 ºC) ± 0.8 ºC
E -200 ≤ TS ≤ -100 ºC ± (0.05% of rdg. + 2.0 ºC) ± 1.0 ºC
-100 < TS ≤ 800 ºC ± (0.05% of rdg. + 1.0 ºC) ± 0.8 ºC
T -200 ≤ TS ≤ -100 ºC ± (0.1% of rdg. + 1.5 ºC) ± 1.5 ºC
-100 < TS ≤ 400 ºC ± (0.1% of rdg. + 0.5 ºC) ± 0.6 ºC
J -200 ≤ TS ≤ -100 ºC ± 2.7 ºC ± 1.0 ºC
-100 < TS ≤ 100 ºC ± 1.7 ºC ± 0.8 ºC
100 < TS ≤ 1100 ºC ± (0.05% of rdg. + 1.0 ºC) ± 0.6 ºC
N -200 ≤ TS < 0 ºC ± (0.1% of rdg. + 2.0 ºC) ± 2.2 ºC
0 ≤ TS ≤ 1300 ºC ± (0.1% of rdg. + 1.0 ºC) ± 1.0 ºC
W 0 ≤ TS ≤ 2000 ºC ± (0.1% of rdg. + 1.5 ºC) ± 1.8 ºC
R.J.C. ± 0.5 ºC ± 0.3 ºC
Temperature (RTD) *16
Type Measurement range
(TS: Temp Sense)		 Accuracy Accuracy
Pt100 -200 ≤ TS ≤ 100 ºC ± 1.0 ºC ± 0.6 ºC
100 < TS ≤ 500 ºC ± 0.8 ºC
500 < TS ≤ 850 ºC ± 1.0 ºC
Pt1000 -200 ≤ TS ≤ 100 ºC ± 0.8 ºC ± 0.6 ºC
100 < TS ≤ 500 ºC ± 0.8 ºC
JPt100 -200 ≤ TS ≤ 100 ºC ± 0.8 ºC ± 0.6 ºC
100 < TS ≤ 500 ºC ± 0.8 ºC
A/D converter Sigma-Delta type, 16 bits (effective resolution: 1/40000 of the measuring full range)
Input resistance 1MΩ ±5%
Allowable signal source resistance Up to 300Ω Up to 100Ω
Maximum
input voltage		 Between
(+) / (-) terminal		 20 mV to 2 V range: 60 Vp-p,
5 V to 100 V range: 110 Vp-p
Channels ((-) / (-)) 60 Vp-p 600 Vp-p
Channel / GND 60 Vp-p 300 Vp-p
Max. voltage
(withstand)		 Between channels 350 Vp-p (1 minute) 600 Vp-p
Channel / GND 350 Vp-p (1 minute) 2300 Vrms AC (1 minute)

*12. The terminal "b" for using the RTD is connected each other across all channels.

*13. If the specifications of the temperature sensor is lesser or greater than the selected measurement range, GL840 can measure up to the specifications of the sensor.

*14. Subject to the following conditions: 

  • Room temperature is 23 oC ± 5 oC.

  • When 30 minutes or more have elapsed after power has turned on.

  • Filter is set to 10.

  • Sampling rate is set to 1 sec, using 20-channel in GL840-M and 10-channel in GL840-WV.

  • GND terminal is connected to ground.

*15. Wire size of thermocouple used is 0.32mm diameter in the T or K type and 0.65mm diameter in other types. 

*16. Supports 3-wire type sensor.