Quick Answer
The LTT-Series Torque Analyzer is used to calibrate, test, audit, and verify torque tools. It combines a built-in transducer with the ability to connect external Mountz torque sensors, making it suitable for a wide range of torque measurement and documentation applications.
Who This Is For
- Quality engineers and quality assurance teams
- Calibration technicians and metrology laboratories
- Manufacturing and process engineers
- Assembly and production teams
- Companies implementing torque verification programs
- Facilities performing in-house tool calibration
- Aerospace, automotive, electronics, medical device, and industrial manufacturers
When Should You Use This?
Use the LTT-Series when:
- Torque tools require routine calibration or verification
- Tool performance must be documented and tracked
- Hand tools and power tools need to be tested
- External torque sensors are required
- Torque auditing is part of the quality process
- Tool settings need to be adjusted and validated
- Statistical data collection is important for quality control programs
When Should You NOT Use This?
Do not use the LTT-Series when:
- Impact tools are being tested
- A simple verification device is sufficient for the application
- The application does not require calibration, auditing, or documentation capabilities
For basic torque verification applications, other Mountz testing solutions may be more appropriate.
How the LTT-Series Works
The LTT-Series measures torque using either its built-in transducer or compatible Mountz torque sensors.
The analyzer:
- Measures torque values
- Verifies tool performance
- Assists with tool calibration and adjustment
- Stores torque readings
- Supports torque auditing and verification programs
- Downloads data to a PC through a USB connection
- Provides real-time graphing through associated software
Result:
- Improved quality control
- Faster tool verification
- Better calibration management
- Improved documentation and traceability
- Increased confidence in torque tool performance
Core Features
- Built-in transducer
- Compatible with Mountz torque sensors
- ARCII auto-recognition technology
- USB interface for downloading readings
- Stores up to 5,000 data points
- Real-time clock for time stamping readings
- Go / No Go LED indicators
- Built-in Tool Test operation
- Real-time graphing through PC software
- Rechargeable Li-Ion battery
- Torque and angle measurement capability when used with compatible sensors
Configuration Options
Built-In Transducer
Each LTT model includes a built-in transducer within its specified torque range.
External Torque Sensors
The LTT can connect to compatible Mountz reaction and rotary torque sensors, including torque and angle sensors. ARCII technology automatically recognizes connected sensors.
Operation Modes
The LTT offers six operation modes:
- Track
- Peak
- First Peak
- Audit
- Spindle Audit
- Torque + Angle
Software Programs
The LTT supports:
- Torque Meter Interface Program
- Torque Meter Bootloader
- Excel Add-In for real-time data collection
LTT-Series Models
The LTT-Series includes eight torque analyzer models with built-in transducers covering low- and high-torque applications. Each model is designed for a specific torque range and can be expanded with compatible Mountz external torque sensors using ARCII auto-recognition technology, allowing a single analyzer to support a wide range of torque testing, calibration, auditing, and verification applications.
Model Selection Guide
Need to verify precision torque screwdrivers?
Choose:
- LTT10i
- LTT25i
- LTT50i
These models are designed for lower torque applications commonly found in electronics, medical device, and precision assembly operations.
Need a general-purpose analyzer for most hand torque tools?
Choose:
- LTT100i
- LTT250i
These analyzers cover a broad range of inch-pound applications and are commonly used for production verification, calibration, and quality audits.
Need to calibrate torque wrenches?
Choose:
- LTT50F
- LTT100F
- LTT250F
These models provide built-in transducer ranges suitable for higher-torque hand tools and production fastening equipment.
Need to expand measurement capability?
Choose any LTT model.
All LTT-Series analyzers support compatible Mountz reaction torque sensors, rotary torque sensors, torque and angle sensors, and force sensors using ARCII automatic sensor recognition technology.
LTT-Series Models
| Model | Item Number | Built-in Torque Range | SI Range | Metric Range | Drive Size |
|---|---|---|---|---|---|
| LTT10i | 068400 | 1–10 lbf.in | 11.3–113 cN·m | 1.2–11.5 kgf.cm | 1/4" Female Square |
| LTT25i | 068401 | 2.5–25 lbf.in | 28.25–282.5 cN·m | 2.9–28.8 kgf.cm | 1/4" Female Square |
| LTT50i | 068402 | 5–50 lbf.in | 56.5–565 cN·m | 5.5–57.6 kgf.cm | 1/4" Female Square |
| LTT100i | 068403 | 10–100 lbf.in | 113–1130 cN·m | 11.5–115 kgf.cm | 1/4" Female Square |
| LTT250i | 068404 | 25–250 lbf.in | 282.5–2825 cN·m | 28.8–288 kgf.cm | 1/4" Female Square |
| LTT50F | 068405 | 5–50 lbf.ft | 6.8–67.8 N·m | 0.7–6.9 kgf.m | 3/8" Female Square |
| LTT100F | 068406 | 10–100 lbf.ft | 13.56–135.6 N·m | 1.4–13.8 kgf.m | 1/2" Female Square |
| LTT250F | 068407 | 25–250 lbf.ft | 33.9–339 N·m | 3.5–34.5 kgf.m | 1/2" Female Square |
Compatible External Sensors
The LTT-Series is compatible with a wide range of Mountz external sensors, allowing a single analyzer to support multiple torque ranges and testing applications.
Compatible sensors include:
- BMX Static Torque Sensors
- RTSX Rotary Torque Sensors
- RTSX-A Rotary Torque & Angle Sensors
- BLRTSX Brushless Rotary Torque Sensors
- MTX Torque Sensors
- Force Sensors
ARCII technology automatically recognizes compatible sensors and loads the appropriate calibration information, helping streamline setup and reduce operator error.
Which LTT-Series Model Should I Select?
Start with these questions:
- What torque range will be measured most often?
- Will the analyzer primarily be used for torque screwdrivers or torque wrenches?
- Will built-in transducer measurements be sufficient, or will external sensors be required?
- Is torque and angle measurement needed?
- Will the analyzer be used for calibration, auditing, production verification, or quality control?
- Is downloading measurement data to a PC required?
- Will future expansion with additional torque sensors be beneficial?
The answers to these questions will help determine the appropriate LTT-Series analyzer for your application.
Setup & Adjustment
To begin using the LTT-Series:
- Charge the analyzer before use.
- Install the appropriate run-down adapter when testing power tools.
- Connect the torque tool or compatible external sensor.
- Select the desired operation mode.
- Perform calibration, testing, auditing, or verification.
- Save readings or export measurement data through the USB interface.
A run-down adapter is included with the LTT-Series for testing and calibrating power tools.
Can It Be Used with External Torque Sensors?
Yes.
The LTT-Series is designed to operate with compatible Mountz external torque sensors, including reaction torque sensors, rotary torque sensors, torque and angle sensors, and force sensors. ARCII auto-recognition technology automatically detects connected sensors and loads the appropriate calibration information, allowing the analyzer to quickly adapt to different torque ranges and applications.
Use Cases (Real-World Examples)
1. Calibration Laboratory
Problem: Multiple torque tools require calibration across a wide range of torque values.
Solution: The LTT can use external torque sensors to support multiple torque ranges.
2. Production Tool Verification
Problem: Assembly tools require regular validation between calibration intervals.
Solution: The LTT provides quick verification and auditing capabilities.
3. Quality Control Programs
Problem: Torque data must be documented and reviewed.
Solution: The analyzer stores readings and exports data for reporting and analysis.
4. Tool Testing & Adjustment
Problem: Torque tools require setup and adjustment before use.
Solution: The LTT allows operators to measure and adjust tool settings accurately.
Troubleshooting
Issue 1: Sensor not recognized
Cause: Incorrect cable connection or incompatible sensor.
Solution: Verify sensor compatibility and cable connections.
Issue 2: Inconsistent readings
Cause: Improper setup, worn-down adapters, or sensor issues.
Solution: Verify setup and inspect accessories.
Issue 3: Data not downloading
Cause: USB connection or software configuration issue.
Solution: Verify software installation and USB connectivity.
Issue 4: Tool fails audit testing
Cause: Tool may require adjustment or calibration.
Solution: Verify tool settings and perform calibration as needed.
Calibration & Standards
- Supplied with ISO 17025 Certification of Calibration
- Accuracy:
- ±0.5% of reading from 20% to 100% of full scale
- ±1% of reading from 10% to 20% of full scale
- Designed for calibration, testing, auditing, and verification applications
Integration / Advanced Notes
- ARCII sensor auto-recognition technology
- USB interface for PC connectivity
- Real-time graphing capabilities
- Stores up to 5,000 readings
- Excel Add-In for real-time data collection
- Compatible with torque, force, rotary, and torque-angle sensors
- Torque and angle displayed simultaneously when used with compatible sensors
Media & Supporting Content
Related Articles / Content
- Mountz Torque Measurement Digital Catalog
- Mountz Torque Analyzers & Sensors Bang Sheet
- Maintaining Precision in Torque Tools: A Comprehensive Guide
- Guide: Enhancing Fastening Strategies: Leveraging Torque and Angle Sensors for Improved Results
- Guide: Torque Tool Calibration Frequency: Staying Ahead of Maintenance Intervals
- Mastering Torque: A Comprehensive 10-Step Guide to Achieving Precision Control
- Whitepaper: Understanding Calibration Certificates in Torque Measurement
- Webinar: How to Identify When a Torque Tool is Drifting Out of Calibration
- Webinar: How to Calibrate a Torque Wrench and Screwdriver
Need Help?
- Contact Applications Engineering for setup guidance
- Speak with Sales for product selection
- Call us:
- North America:(408) 850-9978
- International: +44 1428 741756
M-F 6am - 5pm PST
