The Hilmor Digital Adjustable Torque Wrench (Model 1963826) is a specialized tool designed to simplify the tightening of flare nuts, ensuring connections are properly torqued. It features an adjustable jaw that accommodates common imperial and metric flare nut sizes, eliminating the need for multiple wrench heads. The digital screen allows for precise torque settings, enhancing accuracy and consistency in applications.
Function Description:
The primary function of the Hilmor Digital Adjustable Torque Wrench is to apply and measure torque during the tightening of flare nuts. It provides real-time torque readings and indicates when a desired torque level has been reached through visual (LED lights) and auditory (buzzer) cues. The wrench supports both Peak Mode and Track Mode operations. In Peak Mode, it holds the maximum torque reading applied, which is useful in situations where the display is not easily visible. In Track Mode, it shows real-time torque values as force is applied. The tool is designed for use by trained and licensed HVAC/R technicians.
Important Technical Specifications:
- Part Number: 1963826
- Jaw Size (Inches): 1/4" to 1-1/16"
- Jaw Size (Metric): 5mm to 27mm
- Torque Range (N-m): 6.8-135 N-m
- Torque Range (ft-lbs): 5-99.5 ft-lbs
- Torque Range (in-lbs): 60-1195 in-lbs
- Torque Range (kg-cm): 69-1378 kg-cm
- Accuracy: +/- 3%
- Batteries: 2-AA
- Measurement Increments: 0.1 (N-m, ft-lb)
- Operation Modes: Track, Peak
- Memory Presets: 9 programmable settings
- Operating Temperature: 14°F to 140°F
- Maximum Torque Values (to avoid error): 135 N-m, 99.5 ft-lbs, 1195 in-lbs, 1378 kg-cm. Applying torque beyond 110% of the maximum range can lead to an "Ero" error message and may decrease accuracy, requiring recalibration.
Usage Features:
- Digital Display: A clear digital screen shows torque values, units, presetting numbers, and mode (P for Peak Hold, T for Track).
- Adjustable Jaw: The wrench features an adjustable jaw that can be set to various imperial or metric flare nut sizes, reducing the need for multiple tools.
- Programmable Memory Settings: Nine programmable memory settings allow users to store and quickly access common torque levels. These settings are displayed at the bottom of the screen. Users can customize these preset values by unlocking the wrench (turning the lock OFF) and adjusting the unit of measure and torque value using the function and arrow buttons. After customization, the wrench can be locked again to prevent accidental changes.
- Unit Selection: The wrench measures torque in four different units: Newton-Meters (N-m), Foot-Pounds (ft-lbs), Inch-Pounds (in-lbs), and Kilogram-Centimeters (kg-cm). Units can be changed by pressing the "Fn" button when the wrench is unlocked.
- Visual and Auditory Indicators: LED lights along the sides of the display progressively illuminate as the applied torque approaches the desired level. A buzzer also sounds, increasing in speed as torque increases. Once the desired torque is reached, green lights remain on, a red light appears, and the buzzer emits a steady tone.
- Peak Hold Mode: In this mode, the wrench captures and displays the maximum torque applied, which is useful when the display cannot be easily viewed during operation. The reading flashes upon removal of force.
- Track Mode: This mode provides real-time torque readings as force is applied. The reading disappears when the wrench is removed from the nut.
- Power On/Off and Clear: The wrench is powered on by pressing the "C" button. Pressing "C" again clears previous settings.
- Automatic Shutoff: To conserve battery life, the wrench automatically shuts off after four minutes of inactivity. It can be restarted by pressing the power button.
- Low Battery Indicator: A battery icon appears on the screen when the batteries are low.
- Reset Function: Settings can be reset by pressing the "C" and "M" buttons simultaneously.
Maintenance Features:
- Calibration: The Hilmor Digital Adjustable Torque Wrench comes factory-calibrated to +/-3% accuracy. It is recommended to recalibrate the wrench once a year to maintain accuracy. Calibration details and registration information are available on hilmor.com.
- Durability and Storage: The wrench should be treated with care to maintain accuracy and performance. It should not be shaken, dropped, or used as a hammer. When not in use, it should be stored in its kit box in a safe location.
- Environmental Protection: Avoid exposing the wrench to excessive heat, humidity, or direct sunlight for extended periods.
- Water and Magnet Avoidance: The wrench should not come into contact with magnets or water. If it gets wet, it should be wiped dry immediately with a towel.
- Battery Replacement: The wrench uses two AA batteries. The battery cap is located at the back end of the wrench and twists to a LOCKED position. Batteries should be inserted with the positive (+) side facing into the compartment.
- Warranty: The Hilmor Digital Adjustable Torque Wrench comes with a two-year limited warranty on craftsmanship from the purchase date. Damages caused by misuse are not covered under warranty. Further warranty information can be found on hilmor.com.
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