The Johnson Electronic Level - Inclinometer, Model No. 40-6060, is a versatile digital tool designed for precise angle and inclination measurements. This instrument is ideal for various applications requiring accurate leveling and slope determination, offering a range of features for ease of use and reliable performance.
Function Description:
The primary function of the 40-6060 is to measure and display angles of inclination, either in degrees or as a percentage. It serves as an electronic level and inclinometer, providing digital readouts for precise work. The device is equipped with a magnetic base, allowing it to be securely attached to metallic surfaces for hands-free operation. Additionally, it features a 1/4" - 20 thread for connection to a tripod, enhancing its versatility for different setups. A key feature is its ability to provide a signal tone at 0° and 90° positions, confirming level or plumb without needing to constantly monitor the display. For overhead measurements, the instrument includes automatic digit inversion, ensuring that the display is always readable regardless of the device's orientation.
Important Technical Specifications:
- Accuracy: The device boasts an accuracy of ±0.1° at ±10° around 0° and 90°, and ±0.2° at other ranges. This level of precision makes it suitable for professional applications where slight deviations can impact results.
- Resolution: It offers a resolution of ±0.1° or 0.1%, allowing for fine adjustments and detailed readings.
- Interior Range: The working range for angle measurement is 4 x 90°, covering all four quadrants for comprehensive measurement capabilities.
- Power Supply: The instrument is powered by three "AAA" alkaline batteries, which are included in the kit.
- Battery Life: With continuous use, the battery life is approximately 100 hours, providing extended operation before battery replacement is needed.
- Dimensions: The compact dimensions of 6.14" x 2.2" x 1.22" (156 x 56 x 31mm) make it small and handy for portability and use in confined spaces.
- Weight: Weighing only 0.66 lbs. (0.3 Kg), it is lightweight and easy to handle.
- Working Temperature: The device operates effectively within a temperature range of 14°F to 113°F (-10°C to +45°C), making it suitable for various environmental conditions.
Usage Features:
The 40-6060 is designed with user-friendly features to enhance its utility:
- LCD Display: A clear LCD display shows the measured values.
- Key-Presses: The instrument has four key-presses:
- Power On/Off Key: Used to turn the instrument on and off.
- Degree/Percent Key: Switches the display between degree and percent inclination readings.
- Zero Calibration/Horn Key: This multi-functional key is used for zero calibration and to activate/deactivate the horn function.
- Hold Key: Freezes the current measurement on the display, allowing the user to record the value without it changing. Pressing it again releases the hold.
- Horn Function: When activated, the horn provides audible feedback. It emits a slow beep at 10° or 17.5% inclination, beeps faster as the measurement approaches 0° or 0%, and produces a steady tone once 0° or 0% is reached. This is particularly useful for achieving level or plumb without constant visual monitoring.
- Automatic Shut-off: To conserve battery life, the instrument automatically shuts off if no operation is detected within six minutes.
- Low-power Indication: A flashing battery symbol on the LCD indicates when the battery voltage is low and batteries need to be replaced.
- Self-Check and Calibration: The manual provides detailed instructions for both horizontal and vertical accuracy checks, as well as recalibration procedures. This ensures the instrument maintains its accuracy over time. The calibration process involves placing the unit on smooth, level, and vertical surfaces, rotating it, and pressing the Zero key at specific intervals to set the absolute horizontal and vertical references. It's crucial for the user to verify calibration before each use.
Maintenance Features:
Proper care and handling are essential to ensure the longevity and accuracy of the Johnson Electronic Level - Inclinometer:
- Protection from Shock and Temperature: Avoid exposing the unit to strong vibrations and extreme temperatures to prevent damage.
- Power Off During Transport: Always ensure the unit is turned off before moving or transporting it.
- Battery Removal for Storage: For extended storage periods (more than three months), remove the batteries to prevent leakage and potential damage to the unit.
- Protective Case: Store the instrument in its carrying case when not in use to protect it from physical damage.
- Moisture Avoidance: Keep the unit dry and avoid getting it wet.
- Cleaning: Clean the level with a soft, dry cloth to remove any moisture or dirt.
- Chemical Avoidance: Do not use harsh chemicals, strong detergents, or cleaning solvents, as these can damage the instrument's surfaces or internal components.
The Johnson Electronic Level - Inclinometer, Model No. 40-6060, is a reliable and user-friendly tool for anyone requiring accurate angle and inclination measurements, backed by a one-year limited warranty from Johnson Level & Tool. Users are encouraged to read the instruction manual thoroughly and verify calibration before each use to ensure optimal performance.
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