Overview

This document presents technical specifications, features, and options for the LR-Cal product range by DRUCK & TEMPERATUR Leitenberger, specializing in calibration equipment for torque, force, and pressure measurement. The products are designed and manufactured in Germany, emphasizing quality and precision.

1. Torque Calibration Devices

LR-Cal LFC 80 Torque Calibrator

• Measurement ranges: 0...0.5 Nm up to 0...250 Nm and higher, with multiple scale options including ozf-ft, lbf-ft, ozf-inch, lbf-inch, kNm, Nm, Ncm, daN-m, kgf-m.
• Accuracy: ±0.2% Full Scale (FS).
• Total measurement uncertainty: ≤1% FS from 1/10 to full range, clockwise rotation.
• Power supply: Rechargeable Lithium-Ion battery with USB 2.0 interface and charger included.
• Functions: Programmable digital filter, PEAK (max value) indication, ZERO function for zeroing by key press.
• Accessories: USB/RS232 converter, RS232 cable, mounting plate (90°), carrying case with foam inserts.
• Options: Data logging functionality, ACCREDIA (DAkkS) accredited calibration certificates.

LR-Cal LFC-ATC Torque Wrench Calibration Fixture

• Mechanical support with dual parallel guides for precise load application.
• Compliance with EN ISO 26789 (2004) for torque wrench calibration.
• Two models available: LFC-ATC-1000 (up to 1000 Nm) and LFC-ATC-2000 (up to 2000 Nm).
• Additional mounting plates available to integrate multiple devices with different ranges.

2. Force and Weight Measurement Devices

LR-Cal LHM Handheld Instrument

• Integrated sensor for force and weight measurement.
• Measurement ranges: 0...10 N up to 0...5000 N, with units selectable among kg, g, t, N, daN, kN, MN, lb, klb.
• Accuracy: ±0.05% FS.
• Functions: ZERO (zeroing), PEAK (programmable min/max), programmable digital filter, data logger capable of storing up to 130,000 values.
• Interface: USB 2.0; power supply via rechargeable Lithium-Ion battery with USB charger.
• Options: Wireless data transmission (433 MHz).
• Accessories: Tool set with hooks and pushers for tension and compression measurements, external sensors for pressure and torque.

3. External Sensors for LR-Cal LHM

Pressure Sensors

• Ranges from 0...10 bar up to 0...2000 bar, including differential and vacuum pressure options.
• Material: Stainless steel with G 1/2" BSP male thread connection.
• Accuracy: ±0.1% FS standard, optional ±0.05% FS with ACCREDIA (DAkkS) certification.
• Automatic sensor recognition by handheld device.

Torque Sensors

• Ranges from 0...0.5 Nm up to 0...1000 Nm.
• Material: Stainless steel with process connections per standards.
• Accuracy: ±0.2% FS standard, optional ±0.1% FS.
• Available with clockwise or optional counter-clockwise rotation calibration.
• Includes ACCREDIA (DAkkS) certification.

4. Digital Handheld Instrument LR-Cal LHM

• Built-in pressure sensor with multiple selectable ranges including absolute and differential pressures.
• Accuracy: ±0.1% FS standard, optional ±0.05% FS.
• Features: Integrated real-time clock and calendar, HOLD function, MIN/MAX (PEAK) storage, programmable digital filter, switchable pressure units (bar, psi, MPa, etc.), adjustable display resolution.
• Data logger capacity: 130,000 values.
• Display: Large LCD (128 x 64 pixels).
• Power: Rechargeable Lithium-Ion battery.
• Housing: Black coated aluminum.
• Optional wireless data transmission (433 MHz).

5. Certifications and Standards

• Many devices and sensors include factory calibration certificates and optional ACCREDIA (DAkkS) accreditation, ensuring traceability to international standards.
• Torque wrench calibration fixture complies with EN ISO 26789 (2004).

6. Accessories and Options

• Carrying cases with foam inserts for protection.
• USB/RS232 converters and cables for data communication.
• Wireless data transmission modules.
• Additional mounting plates and tool sets for specific measurement tasks.

7. Contact and Ordering Information

DRUCK & TEMPERATUR Leitenberger GmbH, Germany, provides detailed brochures and an online shop for ordering. Contact details and distributor information are provided for German and international customers.

Summary

The LR-Cal product range offers high-precision calibration instruments for torque, force, and pressure measurements with extensive options for data logging, wireless communication, and accredited calibration certificates. The devices are designed for bench and handheld use, supporting a wide range of measurement scales and units, and comply with relevant international standards.