Sony Magnescale LH71-1, LH71-2, LH71-3 digital displays
The resolution of the digital display varies with the connected sensorIt has functions such as reset, preset, data storage, alarm output, linear error compensation, etc. Conversion between metric and imperial systems, absolute/relative position detection, preset position function, diameter display, angle display, radian division function, switching function, power outage memory, simple calculation. Used in conjunction with Magnescale magnetic grid ruler and altimeter.
model |
LH71-1 |
LH71-2 |
LH71-3 |
Display specifications |
7-digit and negative sign display, amber color |
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Acceptable ruler |
Direct connection: GB-ER, SJ300, SJ700A, PL20C. Additional adapter required: DG-B |
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display resolution |
Standard 0.1 μ m, 0.5 μ m, 1 μ m, 5 μ m, 10 μ m, 1 second, 10 seconds, 1 minute, 10 minutes open: 100 μ m, 50 μ m, 25 μ m, 20 μ m, 2 μ m, 0.05 μ m and 1 degree can be increased. |
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Input resolution |
Measurement unit input resolution or higher and diameter display (except for angle display) |
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Input signal |
A/B/Z phase number (compliant with EIA-422) |
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Minimum input difference |
100ns |
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Error Warning |
Unmeasured/Over speed/Exceeding maximum display value/Power off/Data saving error |
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Return to zero |
Reset to zero with the button |
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Preset |
Three sets of numerical values can be preset for storage. |
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Origin detection |
Can detect the origin and reproduce the reference point (requires a ruler with the origin) |
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Data storage |
Even if the power is cut off, the displayed values and preset values can still be memorized. |
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Linear error and compensation |
Linear compensation can be performed on the digital display, with a correction amount of standard ± 600 μ m/m (up to ± 1000 μ m/m) |
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Interval error compensation |
When using a ruler with an origin, it is possible to divide the range of movement into 3 and 2 intervals and make corrections one by one. The correction value is ± 600 μ m/m (LH70 does not have this function) |
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zoom |
Zoom ratio: 0.100000 to 9.999999 (only suitable for LH71) |
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Programmable |
Programmable functionality (up to 850 programs) 1. Manual key input 2. Guiding input by actual machine movement 3. Mirror programming can be performed during program execution 4. Capable of "arbitrary angle segmentation", "simple arc machining", and "line hole" functions |
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Angle display |
Paired with a steel tape ruler installed on a curved surface, the angle can be displayed after inputting the diameter and resolution. |
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dormancy |
When not in operation for a certain period of time, it will automatically shut down (time can be set) |
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Power supply |
DC 12V rated 0.75A maximum. 1A AC 100V ± 10% when using AC power supply PSC-22 (only applicable to US) or PSC-23 (applicable to Europe and other countries) |
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Power consumption |
The maximum 32VA is connected to the AC power supply. |
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Operating temperature range |
0-40 ℃ (no condensation) |
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Storage temperature range |
-20~+60 ℃ (no condensation) |
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weight |
Approximately 1.5 kilograms |

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