| Model | LH71-1 | LH71-2 | LH71-3 |
| Display | 7 digits and minus display |
| Connectable measuring unit | GB-ER, PL20C,SJ700A (Direct) / DG-B (Necessary to use the conversion adaptor which is sold separately) |
| Measuring unit input resolution | Standard： 0.1 μm, 0.5 μm, 1 μm, 5 μm, 10 μm, 1 s, 10 s, 1 min, 10 min Expanded： 100 μm, 50 μm, 25 μm, 20 μm, 2 μm, 0.05 μm, 1 degree can be added |
| Display resolution | Measuring unit input resolution or higher and diameter display (except for angle display) |
| Input signal | A/B quadrature signal, Z signal |
| Minimum input phase difference | 100 ns |
| Quantization error | ±1 count |
| Alarm display | Measuring unit disconnected, Excess speed, Maximum display amount exceeded, Power failure, Error in stored data |
| Reset | Resettable by key switch |
| Preset | It is possible to store/call 3 kinds of numbers. |
| Reference point detection | The reference point of the measuring unit can be detected, and the datum point can be relocated (during connection of measuring unit with a reference point) |
| Data storage | The value displayed before the power was turned off and setting values are stored |
| Linear error compensation | A fixed compensation is applied to the measuring unit's count value. Compensation amount Standard: ±600 um/m (Expanded: ±1000 um/m) |
| Segmented error compensation | The movement range of the measuring unit with a reference point can be divided into a maximum of 32 sections, and error compensation is performed for each of these sections. Compensation amount: ±600 um (at each section) |
| Scaling | Scaling factor：0.100000 ～ 9.999999 |
| Program | - Machining coordinates can be programmed (number of program steps: 850 max.)
- 1. Manual programming by key switch
- 2. Automatic programming by playback
- 3. Mirror image during program execution
- 4. A canned cycle (bolt hole, line hole, simple R cutting) can be inserted in the program
|
| Angle display | Can be displayed as an angle value when the Digiruler is pasted to the arc surface, and the diameter and Digiruler resolution are entered |
| Sleep | The display is turned off when no operations are made for a preset time. (The time can be set.) |
| Power supply | DC 12 V Rating 0.75 A Max. 1 A AC 100 V to 240 V ±10 % When using the AC adaptor PSC-22 (For U.S. only) or PSC-23 (For Europe and other countries) *Option |
| Power consumption | max.32 VA (connected at the AC adaptor.) |
| Operating temperature | 0 ～ 40°C (no condensation) |
| Storage temperature | －20 ～ 60°C (no condensation) |
| Mass | Approx. 1.5 kg |
