KERN Torque gauges DB 20-3

KERN Torque Gauge DB 20-3

The KERN Torque gauges DB 20-3 is engineered for the precise testing of torque wrenches, electric hand screwdrivers, and cordless tools. Featuring a built-in screw joint simulator, this device is ideal for dynamic torque testing. Housed in a robust metal casing with advanced data handling capabilities, it is a dependable solution for both industrial quality control and technical service environments.

Features

• Designed specifically for testing torque wrenches and electric or cordless screwdrivers

• Screw joint simulator allows for realistic, dynamic tool testing

• Rugged lacquered metal housing for long-term use in demanding settings

• LCD graphic display with backlight and visual capacity bar for easy reading

• Stores up to 500 measured values with USB and RS-232 data output for PC transfer

• Peak-Hold and Track modes for capturing maximum torque or live tracking

Application

• Calibration of handheld torque tools in workshops and production facilities

• Dynamic torque performance evaluation for electric screwdrivers

• Routine quality checks in tool manufacturing and assembly operations

• Laboratory testing for torque verification

• Maintenance and inspection of mechanical fastening tools

• Suitable for use in industrial, automotive, and aerospace sectors

Specification

• Measuring range torque: 1 Nm – 20 Nm

• Readability torque: 0.005 Nm

• Tolerance: ±0.5% of full scale

• Units of measurement: Nm, kgf/cm, kgf/m, in/lbs, ft/lbs

• Supported torque pickups: 20 mm, 3/8″

• Overload protection: 120% of maximum capacity

• Memory capacity: 500 individual measured values

• Functions: Peak-Hold, Track, Limit-setting, Auto-Off

• Measuring frequency: 1000 Hz

• Power supply: Rechargeable NiMH battery and AC power adapter

• Battery operation time (backlight off): 18 hours

• Auto-off timer: 1–60 minutes adjustable

• Interfaces: RS-232 and USB

• Display: LCD graphic, 128 × 64 resolution

• Housing material: Lacquered metal

• Dimensions (W×D×H): 200 × 100 × 50 mm