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LT20ADigitalGauge
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Features
Compact, lightweight, and easy-to-mount counter
- Compact design : DIN standard size (72 mm x 72 mm / 2.83" x 2.83" W x H).
- Suitable for panel mounting
- Selectable display resolutions: 0.5/ 1/ 5/ 10 μm
- BCD and RS-232C I/ O models are available.
- Reset/preset
- Peak hold function for measuring max./ min./ peak-to-peak values and GO/NO GO evaluation. . ADD/ SUB function (2-axis model only)
- Data storage : resolution, counting direction, comparator reference points, preset value, mode, BCD sign (B type), communication parameters (C type)
- Inch/ metric display
- Applications: automatic sorting and measuring of parts on production lines.
Specifications
| Specifications | |||||||
|---|---|---|---|---|---|---|---|
|
*1 I/O connector Input : Reset, peak-hold start, peak-hold pause, RS trigger (RS-232C models only) Output : Result evaluation (photocoupler) This product might change without a previous notice for the improvement, confirm the function and the performance with the latest specifications. | |||||||
| Model | LT20A-101 | LT20A-101B | LT20A-101C | LT20A-201 | LT20A-201B | LT20A-201C | |
| Display | 6 digit backlit LCD, mode display | ||||||
| I/O | Measuring unit input | 1 CH | 2 CH | ||||
| I/O connectors*1 | ○ | ||||||
| BCD*2 | - | ○ | - | - | ○ | - | |
| RS-232C*3 | - | - | ○ | - | - | ○ | |
| RS-TRG*4 | - | - | ○ | - | - | ○ | |
| Reset function | Reset key or external input (I/O connectors) | ||||||
| - | BCD terminal | RS-232C command | - | BCD terminal | RS-232C command | ||
| Preset function | Preset value set with preset key, recalled with reset key. | ||||||
| - | Recalled with BCD reset terminal | Set or recalled with RS-232C command | - | Recalled with BCD reset terminal | Set or recalled with RS-232C command | ||
| Conparetor function | Three-level comparator Comparator value set with keys on the front panel. Result evaluation: LED and I/O connector output (photocoupler) | ||||||
| - | Up to 4 values can be set for comparator (key input). Switched with BCD terminal. | Set with RS-232C command | - | Up to 4 values can be set for comparator (key input). Switched with BCD terminal. | Set with RS-232C command | ||
| ピークHold function | Maximum, minimum, and peak-to-peak values. Measuring started by the start input of the I/O connector; update stop by pause input. | ||||||
| - | - | RS-232C can set or start. | - | - | RS-232C can set or start. | ||
| Input resolution | 0.0005 mm, 0.001 mm, 0.005 mm, 0.01 mmselectable | ||||||
| Display resolution | 0.0005 mm, 0.001 mm, 0.005 mm, 0.01 mmselectable | ||||||
| Direction | Can be switched | ||||||
| Reference point function | Function use enabled/disabled can be selected (if use is enabled, the unit enters reference point signal input wait status at the same time as power-on). | ||||||
| Maximum response speed | 20 MHz (A/B phase difference) | ||||||
| Addition and subtraction function | - | A+B, A－B, B－A can be set with the direction setting. | |||||
| Alarm | Speed over or measuring unit cable disconnected (Displayed on LCD or the I/O connector’s comparator outputs are all “H” (OFF).) | ||||||
| - | BCD alarm terminal "H" (OFF) | - | - | BCD alarm terminal "H" (OFF) | - | ||
| Data storage | Resolution, direction, comparator value, preset value, modes, etc. | ||||||
| - | BCD sign, etc | - | - | BCD sign, etc | - | ||
| key lock function | key lock and release. | ||||||
| Temperature | Operating:0～40℃, Storage:-10～50℃ | ||||||
| Power consumption*5 | 4 W | 5W | 4W | 6W | 8W | 6W | |
| Mass | Approx. 200 g | Approx. 230 g | Approx. 220 g | Approx. 210 g | Approx. 270 g | Approx. 230 g | |
| Power supply | Power input connector (3 pins) : DC9.0-26.4 V | ||||||
| Compatible measuring unit | DG, DLseries | ||||||
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