The Mahr Federal Millitron 832 is a digital electronic amplifier engineered for precision measurement in quality control, research, and manufacturing environments. It simultaneously computes actual, minimum, maximum, Total Indicated Runout (TIR), and nominal values from gage head signals with dynamic measurement capability. The instrument features three selectable ranges in inch or metric units, auto-ranging for optimal resolution, and a multilingual message center display guiding users through setup in English, French, or Spanish.
Technical Specifications
• Measurement modes: Actual, Minimum, Maximum, TIR, Nominal
• Selectable ranges: Three ranges in inch or metric units
• Angular units: Arc seconds or milliradians
• Auto range function: Automatically selects smallest range for linear and angular measurements
• Repeatability: ±1 digit
• Calibration accuracy: ±1 digit
• Linear error: Less than 0.025% of full scale
• Response time: 42 msec
• Thermal stability: 0.01% /°C × full scale range
• Specified accuracy temperature: 20°C / 68°F ±0.2°C
• Operating temperature: 5°C to 45°C / 40°F to 110°F
• Storage temperature: 0°C to 60°C / 0°F to 140°F
– Key Features
• Dual gage head inputs for independent readings or diameter/runout summing
• Analog output: ±5 VDC full scale
• Digital I/O: Three inputs (start, master, print) and three outputs (GO, NO GO, rework)
• Five LED tolerance indicators
• RS-232 data output transmitting channels, units, and tolerances
• MarConnect interface supporting USB, Opto RS232C, and Digimatic
• Rechargeable battery (10-hour operation) or 120 VAC/240 VAC 50-60Hz power
• Optional wireless transmission capability
• Cast aluminum housing, IP67 protection class
• Display: 115mm × 70mm LCD with analog scale pointer
• Weight: 3.5 lbs / 1.58 kg
• Dimensions: 254mm × 168mm × 143mm
– Typical Applications
Runout measurement, parallelism verification, diameter inspection, clearance matching, and precision quality control across manufacturing and research operations.
– Compatibility & Integration
Compatible with Mahr, Mahr Federal, Tesa, and Marposs inductive probes. Integrates with measurement systems via RS-232, USB, or wireless connectivity.














