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Graphtec GL240 Midi Data Logger

Graphtec GL240 Midi Data Logger



Part Number: GL240



  • 10 Channels for Voltage, Temp, Humidity, Pulse and Logic Measurements
  • 10ms to 1 Hour Sampling Rate
  • Isolated Input System Ensures Signals are Not Corrupted by Other Channels
  • Supports 20mV to 100 Volts, Thermocouple Type: R, S, B, K, E, T, J, N and W and 4 Pulse or Logic Channels with Optional Cable (#B-513)
  • Ring and Relay Memory Functions for Saving Data to External Storage
  • WLAN Compatible Using GL100-WL and Optional Wireless LAN Unit (B-568)




Number of Input Channels 10 Analog Channels
External Analog Input 1 Channel: Trigger or Sampling Input
4 Channels: Logic or Pulse Input
External Analog Output Alarm Output 4 Channel
Measurement Ranges Voltage: 20, 50, 100, 200, 500mV; 1, 2, 5, 10, 20, 50V, 100V 1 to 5 Volt FS
Temperature: Thermocouples Type K, J, E, T, R, S, B, N, W
Humidity: 0 to 100% (with Optional Graphtec B-530 Humidity Sensor)
Measurement Accuracy Voltage:
• ±0.1% Full Scale 
Type R Thermocouple:
• 0°C ≤ TS ≤ 100°C: ±5.2°C
• 100°C < TS ≤ 300°C: ±3.0°C
• 300°C < TS ≤ 1600°C: ±(0.05 % of Rdg + 2.0°C)
Type S Thermocouple:
• 0°C ≤ TS ≤ 100°C: ±5.2°C
• 100°C < TS ≤ 300°C: ±3.0°C
• 300°C < TS ≤ 1760°C: ±(0.05 % of Rdg + 2.0°C)
Type B Thermocouple:
• 400°C ≤ TS ≤ 600°C: ±3.5°C
• 600°C < TS ≤ 1820°C: ±(0.05% of Rdg + 2.0°C)
Type K Thermocouple:
• -200°C ≤ TS ≤ -100°C: ±(0.05% of Rdg + 2.0°C)
• -100°C < TS ≤ 1370°C: ±(0.05% of Rdg + 1.0°C)
Type E Thermocouple:
• -200°C ≤ TS ≤ -100°C: ±(0.05% of Rdg + 2.0°C)
• -100°C < TS ≤ 800°C: ±(0.05% of Rdg + 1.0°C)
Type T Thermocouple:
• -200°C ≤ TS ≤ -100°C: ±(0.1% of Rdg + 1.5°C)
• -100°C < TS ≤ 400°C: ±(0.1% of Rdg + 0.5°C)
Type J Thermocouple:
• -200°C ≤ TS ≤ -100°C: ±2.7°C)
• - 100°C < TS ≤ 100°C: ±1.7°C)
• 100°C < TS ≤ 1100°C: ±(0.05% of Rdg + 1.0 °C)
Type N Thermocouple:
• 0°C ≤ TS ≤ 1300°C: ±(0.1% of Rdg + 1.0°C)
Type W Thermocouple:
• 0°C ≤ TS ≤ 2000°C: ±(0.1% of Rdg + 1.5°C)
Reference Junction Compensation: ±0.5°C
Analog Input Filter Off, 2, 5, 10, 20, 40 (Moving Average in Selected Number)
Input Terminal Type Screw Terminal (M3 Screw)
Sampling Interval Voltage: 10ms (1 Channel), 20ms (2 Channels), 50ms (5 Channels), 100ms -1 Hour (All Channels)
Temperature: 100ms-1 Hour (All Channels)
Input Method Scans by the photo-MOS-relay, All Channels Isolated, balanced input
Time Scale 1 Second to 24 Hour /Division
Trigger, Alarm Function Trigger Action:
• Start or Stop Capturing Data by the Trigger
Repeat Action:
• Off, On (Auto Rearmed)
• Start: Off, Measured Signal, Alarm, External, Clock, Week or Time
• Stop: Off, Measured Signal, Alarm, External, Clock, Week or Time
• OR or AND Condition at Level of Signal or Edge of Signal
Condition Setting:
Analog: Rising, Falling, Window-in, Window-out
• Pulse: (High), Falling (Low), Window-in, Window-out
• Logic Signal: Pattern (Combination of Each Input Signal in High or Low)
Alarm Output:
• Outputs a Signal When Alarm Condition Occurs in the Input Signal
A/D Converter Sigma-Delta Type, 16Bits (Effective Resolution: 1/40000 of the Measuring Full Range)
Pulse Input Accumulating Count Mode:
• Number of Pulses from the Start of Measurement
• Range: 50, 500, 5k, 50k, 500k, 5 M, 50 M, 500 M Counts/FS
Instant Count Mode:
• Counting the Number of Pulses per Sampling Interval
• Range: 50, 500, 5k, 50k, 500k, 5 M, 50 M, 500 M Counts/FS
Rotation Count (RPM) Mode:
• Counting the Number of Pulses per second then Convert to RPM (Rotations per Minute)
• Range: 50, 500, 5k, 50k, 500k, 5 M, 50 M, 500 M Counts/FS
Display Size: 4.3" TFT Color LCD (WQVGA: 480 x 272 pixels)
Language: English, French, German, Chinese, Korean, Russian, Spanish and Japanese
Information: Waveform in Y-T with Digital Values, Waveform Only, Digital Value, Digital Values and Statistics Values
A/D Converter ΣΔ Type; 16 Bits (Effective Resolution: 1/40,000 of Full Range)
Calculation Function Between Channels: Addition, Subtraction, Multiplication and Division for Analog Inputs
Statistical: Select 2 Calculations from Ave, Peak, Max, Min, RMS
Search Function Search for Analog Signal Levels, Values of Logic, Pulse or Alarm Points in Captured Data
Interface to PC USB (Full Speed), WLAN (Using the Graphtec B-568 Wireless LAN Adapter)
Data Storage SD Memory Card: Supports up to 32GB, SDHC - 2 Slots
Captured Data: Setting Conditions, Screen Copy
Capturing Mode Mode: Normal, Ring, Relay
Ring: Saves Most Recent Data (1,000 to 2 Million Readings)
(Size of the Capture Data Will Be Limited to 1/3 of Available Memory)
Replay Data Replays Captured Data That Was Saved (BGD or CSV Format)
Scaling Engineering Unit Function Set Based on the Reference Point of the Scaled Output and Input Signal for Each Channel
Analog Voltage: Converts using 4 Reference Points (Gain, Offset)
Temperature: Converts using 2 Reference Points (Offset)
Pulse Count: Converts using 2 Reference Points (Gain)
Withstand Voltage Between Channels: 350V p-p (1 Minute) 
Between Channel / GND: 350 V p-p (1 Minute)
Maximum Input Voltage Between +/- Terminals: 60V p-p
Between Channels: 60V p-p
Between Channel / GND: 60V p-p
Action During Data Capture Displaying parst data (using Dual Display Mode - Current + Past Data)
Hot-swapping the SD Memory Card
Saving Data in Between Cursors
Power Source AC Adapter: 100 to 240 Volts AC, 50/60 Hz (1 pc of Adapter is Attached as Standard Accessory)
DC Power: 8.5 to 24 Volts DC (Graphtec B-514 DC Power Cable is Required)
Battery Pack: Mountable Battery Pack - 7.2 Volts DC, 2900mAh (Requires Graphtec B-569 Battery Pack)
Power Consumption Max. 36 VA
Operating Environment Temperature: 0 to 45°C
Humidity: 5 to 85% RH (Non-condensing)
OS Compatibility Windows 8.1, 8.0, 7, Vista and XP (32 and 64 Bit Editions)
Weight 500 grams (Excluding Protrusions)
Dimensions 188mm x 117mm x 42mm (17.64 ounces)