Klein Tools 93LDM100C Compact Laser Distance Measure

General Specifications

• Units: Inches / Feet & Inches / Meters
• Laser Class: Class 2
• Laser Type: 630 to 670nm, <1mW
• Measurement Range*: 0.17 to 100' (0.05 to 30.5 m)
• Accuracy*: +/- 1/16" (+/-1.6 mm) for ≤ 32.8' (10 m), +/- 1/8" (+/- 3.2 mm) for >32.8' (10 m)
• Beeper Sound: 60 +/-10 dB
• Memory / Storage: 2 stored readings on LCD screen
• Auto-Off: Laser: 30 sec, Device: 3 min
• Operating Temperature: 32° to 104°F (0° to 40°C)
• Storage Temperature: -4° to 140°F (-20° to 60°C)
• Battery Type: 2x AAA 1.5V Alkaline
• Dimensions: 4.7" x 1.26" x 1.13" (119 × 32 × 29 mm)
• Weight: 2.29 oz. (65g)
• Ingress Protection: IP54
• Drop Protection: 6.6 ft (2 m)

*NOTE: Measurement range and accuracy are based on typical conditions and may deteriorate under unfavorable conditions such as bright sunlight or poor reflectivity.

Specifications subject to change.

Warnings

Read, understand, and follow these instructions to ensure safe operation. Failure to observe these warnings can result in injury.

WARNING: LASER RADIATION. DO NOT STARE INTO BEAM. Class 2 laser.

• Exposing eyes to laser radiation can result in severe and permanent eye injuries.
• NEVER look directly into the laser beam emitted by this instrument.
• DO NOT use the instrument if it appears to be damaged.
• DO NOT modify the instrument in any way, as to do so could result in emission of hazardous laser radiation that could result in severe eye injuries.
• DO NOT use optical equipment such as lenses, prisms, optical scopes, etc. to transmit, retransmit, or view the laser beam, as this could result in severe eye injuries.
• This product should not be used by untrained operators or operators who have not read and fully understood the instructions.
• DO NOT remove warning labels from this instrument, as this could result in serious personal injury and increases the risk of exposure to hazardous laser irradiation.
• This instrument is IP54 dust & water resistant. Following any contact with water, thoroughly dry the instrument with a dry, lint-free cloth.
• There are no user serviceable parts in this instrument.

Symbols on Instrument

• ⚠️ Warning or Caution
• ℹ️ Read instructions
• ⚡ Laser Radiation
• Laser Class 2
• Do not stare into beam
• Conformité Européenne:
• UKCA: United Kingdom Conformity Assessment
• ♻️ Electronics disposal
• Battery type & orientation
• Multi-Function Button quick reference guide

Device and Display Overview

Figure 1: Device

Figure 1 shows the Klein Tools 93LDM100C Laser Distance Measure device. It features a Multifunction Button (1) on the front, a backlit LCD Screen (2), and a Battery Cover (3) secured by a Battery Cover Screw (4) on the back.

Figure 2: LCD Display

Figure 2 illustrates the LCD Display. It shows various indicators: A. Laser ON Indicator, B. Reference Point Indicator (B1 for Top, B2 for Bottom), C. Battery Status Indicator, D. Sound ON/OFF Indicator, E. Temperature Out Of Range Indicator, F. Latest Value / Continuous Reading, G. Value #1, and H. Value #2.

Figures 3-8: LCD States and Error Messages

• Figure 3 (Low Battery): Displays "CHAn bAtt" and low battery bars, indicating batteries need replacement.
• Figure 4 (Temperature Too High): Displays an indicator for high temperature, suggesting use within the specified operating range (32° to 104°F / 0° to 40°C).
• Figure 5 (Temperature Too Low): Displays an indicator for low temperature, suggesting use within the specified operating range (32° to 104°F / 0° to 40°C).
• Figure 6 (Low Signal): Displays "-----" indicating a weak laser signal. This occurs when the reflected laser beam signal does not reach the device.
• Figure 7 (High Signal): Displays an indicator for a strong signal, potentially due to bright light or highly reflective surfaces causing the laser signal to bounce excessively into the detector.
• Figure 8 (Measurement Out Of Range): Displays an indicator for measurements outside the device's specified range of 2" (0.05m) to 100' (30.5m).

Accuracy cannot be guaranteed outside of the recommended temperature range.

Operating Instructions

Powering On and Off

POWERING ON: Press the Multifunction Button 1 to power on the display.

POWERING OFF: Manual Power-Off: Press and hold the Multifunction Button 1 for 3 seconds. Automatic Power-Off: The device will automatically power off after 3 minutes of inactivity.

Sound Control

Press the Multifunction Button 1 three times to enter Sound Control Mode. Press the Multifunction Button to toggle between on and off. To exit Sound Control Mode, press and hold the Multifunction Button for 2 seconds.

Unit of Measure

Press and hold the Multifunction Button 1 for 2 seconds to enter Unit of Measure Control Mode. Press the Multifunction Button to toggle between units. To exit Unit of Measure Control Mode, press and hold the Multifunction Button for 2 seconds.

Reference Point

Press the Multifunction Button 1 two times to enter Reference Point Control Mode. Press the Multifunction Button to toggle between the reference points. To exit Reference Point Control Mode, press and hold the Multifunction Button for 2 seconds. When the Top Reference Point Indicator B1 displays on the LCD, the measurement will be taken from the top of the instrument. When the Bottom Reference Point Indicator B2 displays on the LCD, the measurement will be taken from the bottom of the instrument.

Single Distance Measurement

To activate the laser, press the Multifunction Button 1. The Laser On Indicator A will blink. Press again to take and record a measurement. The last 3 measurements are stored and displayed on the screen F, G, H.

Continuous Measurement

To activate the laser, press the Multifunction Button 1. When the laser is activated, the device will automatically enter continuous mode and the Laser On Indicator A will blink until a single distance measurement is taken or the laser automatically times out (after 30 seconds). When the device is moved too fast to get an accurate measurement, "-----" is displayed. Slow down movement to record measurement.

Error Message Troubleshooting

• Low Battery (Figure 3): Replace batteries as described in the BATTERY REPLACEMENT section.
• Temperature Too High (Figure 4): Use only in temperatures 32° to 104°F (0° to 40°C).
• Temperature Too Low (Figure 5): Use only in temperatures 32° to 104°F (0° to 40°C).
• Low Signal (Figure 6): Reflected laser beam signal does not reach the Laser Distance Measure. Optimum target surfaces will have medium reflectivity, a smooth surface, and reflect the laser beam directly to the Laser Distance Measure.
• High Signal (Figure 7): The signal exceeds the Laser Distance Measure reception range. This error can occur in bright light conditions due to additional natural or artificial light sources, as well as laser signal bouncing at maximum power into the detector. Shiny, highly reflective surfaces could also cause this condition. Use caution to avoid eye exposure to strong reflected laser beam.
• Measurement Out Of Range (Figure 8): Measure between 2" (0.05m) and 100' (30.5m).

Battery Replacement

When the Battery Status Indicator C shows no bars and "CHAn bAtt" is displayed (Figure 3), the batteries must be replaced.

1. Loosen screw 4 and remove Battery Cover 3.
2. Remove and recycle spent batteries.
3. Install two new AAA 1.5V alkaline batteries, noting proper polarity.
4. Replace Battery Cover 3 and secure with screw 4. Do not overtighten.

Cleaning

Ensure the instrument is turned off and wipe with a clean, dry lint-free cloth. Do not use abrasive cleaners or solvents.

Storage

Remove the batteries when the instrument is not in use for a prolonged period of time. Do not expose to high temperatures or humidity. After a period of storage in extreme conditions exceeding the limits mentioned in the General Specifications section, allow the instrument to return to normal operating conditions before using.

Disposal/Recycle

Do not place equipment and its accessories in the trash. Items must be properly disposed of in accordance with local regulations. Please see for additional information.