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

Model name

GL100_240_840-APS

Supported OS

Windows 10, 8.1, 8, 7, Vista (32/64-bit edition)

Supported device

GL840 (USB, Ethernet, WLAN), GL100 (USB, WLAN)

Functions

Control the GL series, Real-time data capture, Replay data, and Data format conversion

Supported units & channels

Up to 1000 channels total, Up to 4 groups (number of units is limited by model)

Settings control

Input condition, Capturing condition, Trigger/Alarm condition, Report, etc.

Capturing data

Saved to PC

Saves captured data in real time (in GBD binary or CSV format)

Saved to GL unit

Saves to the SD memory card (in GBD binary or CSV format)

Displayed information

Y-T waveform, Digital values, Report, X-Y graph (specified period of data, data
reply only), Two displays for the current and past data, and Statistical calculation

File operation

Converting data format to CSV from GBD binary, merge multiple data files
in the time axis or as an additional channel

Warning function

Send e-mail to the specified address when the alarms occur

Statistical calculation

Maximum, Minimum, and Avarage during data capturing

Report function

Creates the daily or monthly report automatically

Model name

GL-Connect

Supported OS

Android 4.1 to 6.0, iOS 7/8/9 (up to 9.3.4)

Supported device

GL840 (WLAN), GL100 (WLAN)

Functions

Control the GL series, Display measured data in waveform or digital value

Supported units

Up to 10 units

Settings control

Start/Stop, Sampling interval

Capturing data

Saves captured data in the GL main body (data cannot be saved in the smart device)

Displayed information

Data captured in real time by digital value, Replay the data stored in the GL body by the waveform

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

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)