Item		Description
		GL900-8	GL900-4
No. of analog input ch.		8 ch	4 ch
External input/output		Trigger input (1 channel), Logic input (4 channels) or Pulse input (4 channels), Alarm output (4 channels)
Sampling interval		10μs to 1 min
TIME/DIV		10 ms/DIV to 24 hour/DIV
Timer functions		Date and time, daily cycle, hourly cycle
Trigger functions	Type	Start: Data capture starts when a trigger is activated; Stop: Data capture stops when a trigger is activated
	Condition	Start: Off, Input signal level (analog, logic/pulse), External*1, Scheduled time
		Stop: Off, Input signal level (analog, logic/pulse), External *1, Scheduled time
	Combination	Input signal level: Level OR, Level AND, Edge OR, Edge AND
	Mode	H (Rising), L (Falling), Window In2, Window Out2
Alarm setting functions		Rising, Falling, Window In2, Window Out2
Alarm output *1		Number of channels: 4, Open collector output (5V, 10 kΩ pull-up resistance)
Pulse input1, 3	RPM mode	50 to 20 M RPM/F.S. (in steps of 1, 2, or 5)
	Count mode	50 to 20 M C/F.S. (in steps of 1, 2, or 5)
	Inst. Mode	50 to 20 M C/F.S. (in steps of 1, 2, or 5)
Calculation functions		Statistical calculations *4: Average, Peak, Maximum, Minimum, RMS (2 calculations can be set simultaneously)
Other functions		Search function, annotation input function
PC inteface		Ethernet (10BASE-T/100BASE-TX), USB (High Speed supported) provided as standard
Ethernet functions		Web server function, FTP server function, NTP client function
USB function		USB drive mode (File transfer and deletion from internal GL900 memory)
Memory device	Internal	One million data points / Internal flash memory:Approx. 256 MB
	External	USB memory slot (High speed supported) *5
Display screens		Waveforms + digital values, enlarged waveforms, digital values + calculation results, X-Y
Display unit		5.7-inch TFT color LCD
Operating environment		0 to 40℃, 5 to 85% R.H. (15 to 35℃ when using batteries)
Withstand voltage		Between each input channel and GND: 1000 V p-p for one minute, between input terminals: 1000 Vp-p for one minute
Power supply	AC adapter	100 to 240 VAC, 50 to 60 Hz
	DC input	8.5 to 24 VDC
	Battery pack *6	Option
Power consumption		42VA (when operating and charging battery with AC power)	40VA (when operating and charging battery with AC power)
External dimensions		232 x 150 x 80 mm (W x H x D), approx.
Weight (approx.)		1.1 kg (excluding AC adapter and battery)	1.0 kg (excluding AC adapter and battery)
Vibration-tested conditions		Equivalent to automobile parts Type 1 Category A classification

Item			Description
			GL900-8	GL900-4
Number of input channels			Fixed to 8 channels	Fixed to 4 channels
Input terminal type		Voltage	BNC connector
		Temperature	M3 screw type terminal board *7
Input method			All channels isolated Imbalanced input Simultaneous sampling of all channels
Measurement ranges		Voltage	20, 50, 100, 200, 500 mV; 1, 2, 5, 10, 20, 50, 100, 200, 500 V F.S., 1-5 V F.S.
		Temperature	Thermocouples : K, J, E, T, R, S, B, N, W (WRe5-26)
		Humidity	0 to 100% (voltage 0 V to 1 V scaling conversion) * with B-530 (option)
Input filter			Off, Line, 5 Hz, 50 Hz, 500 Hz
Measurement accuracy *8 (23°C±5°C) When 30 minutes or more have elapsed after power was switched on Filter : Line GND : connected	Voltage		±0.25% of F.S.
	Thermocouple	Type	Measurement temperature range	Measurement accuracy
		R/S	0°C ≦ TS ≦ 100°C	±7.0°C
			100°C < TS ≦ 300°C	±5.0°C
			R:300°C < TS ≦ 1600°C	±(0.05% of rdg +3.0°C)
			S:300°C < TS ≦ 1760°C	±(0.05% of rdg +3.0°C)
		B	400°C ≦ TS ≦ 600°C	±5.5°C
			600°C < TS ≦ 1820°C	±(0.05% of rdg +3.0°C)
		K	-200°C ≦ TS ≦ -100°C	±(0.05% of rdg +3.0°C)
			-100°C < TS ≦ 1370°C	±(0.05% of rdg +2.0°C)
		E	-200°C ≦ TS ≦ -100°C	±(0.05% of rdg +3.0°C)
			-100°C < TS <span style="font-size:12.0pt;font-family:"Cambria Math","serif";mso-fareast-font-family: "Times New Roman";mso-bidi-font-

Graphtec GL900-4 GL Midi Logger

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