GRAPHTEC
Instrument products : DATA LOGGER / RECORDER
GRAPHTEC GL900
GL900 Easy-to-use upright high-speed isolated 8-channel multifunction logger
An easy-to-use upright device enabling isolated 8-channel multifunction input, the GL900 is capable of performing high-speed simultaneous measurements of voltage, temperature, and various other phenomena.
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+/-20 mV to +/-500 V |
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Thermocouples: K, J, E, T, R, S, B, N, W |
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0 to 100% (the B-530 option is required) |
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4 channels Count, Inst., Rpm |
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4 channels ‡ Select either Pulse or Logic |
GL900 main unit specifications
| 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 In*2, Window Out*2 | ||
| Alarm setting functions | Rising, Falling, Window In*2, Window Out*2 | ||
| Alarm output *1 | Number of channels: 4, Open collector output (5V, 10 kΩ pull-up resistance) | ||
| Pulse input*1, *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 | ||
Terminal block specifications
| 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 ≦ 800°C | ±(0.05% of rdg +2.0°C) | |||
| T | -200°C ≦ TS ≦ -100°C | ±(0.1% of rdg +2.5°C) | ||
| -100°C < TS ≦ 400°C | ±(0.1% of rdg +1.5°C) | |||
| J | -200°C ≦ TS ≦ -100°C | ±3.7°C | ||
| -100°C < TS ≦ 100°C | ±2.7°C | |||
| 100°C < TS ≦ 1100°C | ±(0.05% of rdg +2.0°C) | |||
| N | 0°C ≦ TS ≦ 1300°C | ±(0.1% of rdg +2.0°C) | ||
| W | 0°C ≦ TS ≦ 2000°C | ±(0.1% of rdg +2.5°C) | ||
| Reference contact compensation accuracy : ±1.0°C ‡ Thermocouple diameters T: 0.32mm, others: 0.65mm |
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| A/D converter | 16 bits (out of which 14 bits are internally acknowledged) | |||
| Maximum permissible input voltage | Between + and – input terminals | 20 mv to 1 V : ±30VDC 2 V to 500 V : ±500VDC |
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| Between input channel terminals | 60 Vp-p | |||
| Between input channel terminal and GND terminal | 60 Vp-p | |||
| Withstand voltage | Between input channel terminal and GND terminal | 1 minute at 1000 Vp-p | ||
| Between input channel terminals | 1 minute at 1000 Vp-p | |||
- *1
- Logic alarm cable (B-513) is required.
- *2
- Cannot be set for logic input
- *3
- Maximum input frequency: 50 kHz, maximum number of counts: 15 M C
- *4
- In real time or when Between Cursors has been specified (during Replay)
- *5
- 1 file = 2 Gbytes (depends on the USB memory stick used)
- *6
- Please install two battery packs.
- *7
- Connections are made to both the BNC terminal and M3 screw terminal for the same channel.
- *8
- Thermocouple diameters T:0.32φ, others:0.65φ
- *9
- Operating temperature range: -25 to +80°C
Control software specifications
| Item | Description | |
|---|---|---|
| Supported OS | Windows 2000, Windows XP, Windows Vista (32-bit and 64-bit versions) | |
| Functions | GL900 control, real-time data capture, data conversion | |
| Setting range | Amp settings, data capture settings, trigger settings, alarm settings, other | |
| Captured data | Real-time data | Binary: Sampling speed: 10 μs to 60 s CSV: Sampling speed: 10 ms to 60 s |
| Data conversion | Binary, CSV | |
| Display information | Analog waveforms, logic waveforms, pulse waveforms, digital values | |
| File conversion | Data between cursors, All data | |
| 2-screen function (Zoom) | Display of current and past data | |
| Display of statistics and history | Display of maximum, minimum, and average values | |
