GRAPHTEC DATA LOGGER : GL820

GRAPHTEC
Instrument products : DATA LOGGER / RECORDER

GRAPHTEC GL820

GRAPHTEC GL820
DATA LOGGER / RECORER

: Modular system allows expansion up to 200 channels

The standard configuration has 20 analogue input channels. It can be expanded up to 200 channels by adding optional 20 channelextension terminal kits.

 

GL820 Main Unit Specifications

item		Description
Number of analog input channels		20 ch, Expandable up to 200 ch by unit of 20 ch
External input output	Input *1	Trigger or Sampling input 1ch, Logic or Pulse input 4 ch
	Output *1	Alarm output 4 ch
Sampling interval		10 ms to 1 h (in 10 ms to 50 ms, voltage only and limited channel), External
Time scale		1 sec to 24 hour/division
Trigger function	Action	Start or stop capturing data by the trigger
	Source	Start: Off, Input signal, Alarm, External *1, Clock, Week or Time
		Stop: Off, Input signal, Alarm, External *1, Clock, Week or Time
	Combination	OR or AND condition at the level of signal or edge of signal
	Condition	Analog: Rising, Falling, Window-in, Window-out
		Pulse: Rising, Falling, Window-in, Window-out
		Logic: Rising, Falling
Alarm function	Detecting method	Level or edge of signal
	Condition	Analog: Rising, Falling, Window-in, Window-out
		Pulse: Rising, Falling, Window-in, Window-out
		Logic: Rising, Falling
	Alarm output*1	4 channels, Output type: Open collector (pulled-up to 5 V by resistor 10 kΩ)
Pulse input function *1	Accumulating count mode	Accumulating the number of pulses from the start of measurement Range: 50, 500, 5k, 50k, 500k, 5M, 50M, 500M counts/F.S.
	Instant count mode	Counting the number of pulses per sampling interval Range: 50, 500, 5k, 50k, 500k, 5M, 50M, 500M counts/F.S.
	Rotation count (RPM) mode	Counting the number of pulses per second and then it is converted to RPM Range: 50, 500, 5k, 50k, 500k, 5M, 50M, 500M rpm /F.S.
	Max. input pulse rate	50k pulses/sec or 50k counts per sampling interval (16 bits counter is used)
Calculation function	Between channels	Addition, Subtraction, Multiplication and Division for analog input
	Statistical	Select two calculations from Average, Peak, Max., Min., 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 (Full speed)
Storage device		Built-in Flash memory (2 giga-bytes), USB memory device *2
Data saving function	Captured data	Direct saving of data into built-in Flash memory or USB memory device
	Others	Setting conditions, Screen copy
Ring capturing mode		Function: ON/OFF, Number of capturing point: 1000 to 2000000 (size of the capture data will be limited to 1/3 of available memory when in Ring Mode)
USB memory device emulation		USB Memory emulation mode (Transfer or delete the file in built-in memory)
Engineering scale function		Set based on the reference point of the scaled output and input signal for each channel (Voltage measurement: four points are necessary to scale the output, Temperature measurement: two points are necessary to scale the output).
Display	Size	5.7 inch TFT color LCD (VGA: 640 x 480 dots)
	Formats	Waveform + Digital, Waveform only, Calculation + Digital, Expanded digital
Operating environment		0 °C to 45°C, 5 % to 85 % RH (When operating with battery pack 0 °C to 40 °C, charging battery 15 °C to 35°C)
Power source		AC adapter (100 V to 240 V, 50/60 Hz) DC power (8.5 V to 24 V DC, max. 26.4 V)*3, Battery pack*3
Power consumption		32VA or lower (When operating with AC adapter, displaying LCD, charging battery pack)
External dimensions (WxDxH)		approx. 232 x 152 x 50 mm
Weight		approx. 900 g (Excluding AC adapter and battery pack)

Software specifications

Item	Description
Supported OS	Windows XP / Vista / 7 (32 bits and 64 bits edition)
Functions	Control GL820, Real-time data capture, Replay data, Data format conversion
GL820 setting control	Input settings, Memory settings, Alarm settings, Trigger settings
Controlled units	Up to 10 units or 500 channels
Captured data	Transfers data in real-time (in binary or CSV format), saved data in GL820 or the USB memory
Displayed information	Analog waveforms, Logic waveforms, Pulse waveforms, Digital values
Display modes	Y-T waveforms, Digital values, Report, X-Y graph (specified period of data, data reply only)
Warning functions	Sends E-mail to the specified address when the alarms occur
File format conversions	Converts the specified period data or all data to the CSV format (thinning function is available)
Report functions	Creates the daily or monthly report automatically (can also export directly to Excel)

Standard accessories

Item	Description	Quantity
AC adapter	100 V to 240 V AC, 50/60 Hz (with specified type of power cord)	1set
CD-ROM	User’s manual (PDF format), Application software	1piece
Quick Start Guide		1copy

Analog input specifications

Item			Description
Type of input terminal			Screw terminal (M3 screw)
input method			Scans by the photo-MOS-relay, all channels isolated, balanced input
Measurement range	Voltage Temperature		20, 50, 100, 200, 500 mV, 1, 2, 5, 10, 20, 50 V, and 1-5 V /F.S. Thermocouple: K, J, E, T, R, S, N, and W (WRe5-26)
			Resistance Temperature Detectors (RTDs): Pt100, JPt100 (JIS), Pt1000 (IEC751)
	Humidity		0 to 100% (using humidity sensor (B-530 optional), power is supplied to only one sensor)
Filter			Off, 2, 5, 10, 20, 40 (moving average in selected number)
Measurement accuracy *4	Voltage		0.1% of F.S.
	Temperature	Thermocouple	Measurement range	Measurement accuracy
		R/S	0 °C ≦ TS ≦ 100 °C 100 °C ≦ TS ≦ 300 °C R: 300 °C ≦ TS ≦ 1600 °C S: 300 °C ≦ TS ≦ 1760 °C	±5.2 °C ±3.0 °C ±(0.05 % of reading +2.0 °C) ±(0.05 % of reading +2.0 °C)
		B	400 °C ≦ TS ≦ 600 °C 600 °C ≦ TS ≦ 1820 °C	±3.5 °C ±(0.05% of reading +2.0 °C)
		K	-200 °C ≦ TS ≦ -100 °C -100 °C ≦ TS ≦ 1370 °C	±(0.05 % of reading +2.0 °C) ±(0.05 % of reading +1.0 °C)
		E	-200 °C ≦ TS ≦ -100 °C -100 °C ≦ TS ≦ 800 °C	±(0.05 % of reading +2.0 °C) ±(0.05 % of reading +1.0 °C)
		T	-200 °C ≦ TS ≦ -100 °C -100 °C ≦ TS ≦ 400 °C	±(0.1 % of reading +1.5 °C) ±(0.1 % of reading +0.5 °C)
		J	-200 °C ≦ TS ≦ -100 °C -100 °C ≦ TS ≦ 100 °C 100 °C ≦ TS ≦ 1100 °C	±2.7 °C ±1.7 °C ±(0.05 % of reading +1.0 °C)
		N	0 °C ≦ TS ≦ 1300 °C	±(0.1 % of reading +1.0 °C)
		W	0 °C ≦ TS ≦ 2000 °C	±(0.1 % of reading +1.5 °C)
			Reference Junction Compensation (R.J.C.): ±0.5 °C
		RTD	Measurement range	Measurement accuracy
		Pt100	-200 °C to 850 °C (FS=1050 °C)	±1.0 °C
		JPt100	-200 °C to 500 °C (FS=700 °C)	±0.8 °C
		Pt1000	-200 °C to 500 °C (FS=700 °C)	±0.8 °C
A/D Converter			ΣΔtype, 16 bits (effective resolution: 1/40000 of measuring full range)
Maximum input voltage	Between +/- terminal		60 Vp-p
	Between channels		60 Vp-p
	Between channels / GND		60 Vp-p
Withstand voltage	Between channels		350 Vp-p (1minute)
	Between channels(-) / GND		350 Vp-p (1minute)

*1

Logic alarm cable (B-513) option is required.
Input signal of External sampling, Logic, Pulse; Maximum voltage: 24 V, Threshold: approx. 2.5 V, Hysteresis: approx. 0.5 V

*2

Size of the USB memory device is unlimited. Maximum file size is limited to 2 GB

*3

DC drive cable (B-514) or battery pack (B-517) option is required.

*4

Subject to the following conditions;

Options and accessories

Item	Model number	Remarks
Logic alarm cable	B-513	2m long (no clip on end of cable)
DC drive cable	B-514	2m long (no clip on end of cable)
Battery pack	B-517	1piece (7.4V 2200mAh, 17Wh)
Humidity sensor*	B-530	3m long (with power plug)
Extension terminal base kit	B-537	Terminal base, cable
20ch extension terminal set	B-538	Terminal base, Terminal unit (20ch), fixing plate

Logic alarm cable (B-513)	DC drive cable (B-514)	Battery pack (B-517)
Humidity sensor (B-530)*	Extension terminal base kit (B-537)	20ch extension terminal set (B-538)