Dakota MultiMax 4 Channel Bolt Tension Monitor (PE - 25.4 - 25,400mm (1 - 999”) EE, EEV)

Measurement Range: PE - 25.4 - 25,400mm (1 - 999”) EE, EEV

Velocity Calibration Range: 1250 - 13,995m/s (0.0492 - 0.5510 in/μs)

Temperature Compensation: yes

Memory and Data Logging: 4GB internal memory, Fixed grid format

Calibration Options: Automatic, fixed, single and two-point

Transducer Probe Type: Single element

Transducer Frequency Range: 1 - 10MHz

Units (Selectable): in/mm, μs

Low Battery Indicator: yes

Transducer Connector Type: Microdot, Lemo and BNC

USB-C Interface: yes

Temperature Sensor: yes

Timing: Precision TCXO timing with single shot 100 MHz 8 bit ultra-low power digitizer

Pulser Type: Spike. Pulser Voltage: 100 – 200v Selectable step options Spike, Thin, Wide

Damping: 50 ohms Fixed

Frequency Band: Broadband 1.8 - 19 MHz (-3dB) filter

Horizontal Linearity: +/- 0.4% FSW

Vertical Linearity: +/- 1% FSH

Amplifier Linearity: +/- 1 dB

Delay: 25,400 mm (0 - 999.9”) at steel velocity

Measurement Gate: Three independent gates depending on measurement mode selected, with audible and visual alarms. Amplitude 5-95%, 1% steps

Auto Set: Automates the detection, scope, and display setting process for each individual bolt

Field Calibration: Vector or Regression correction curve for increased accuracy using Load & Stress

Detections: Zero Crossing

Time: Nanoseconds

Elongation: Change in length (in/mm)

Load: Force load applied (pounds KIP, or megapascals MPa)

Stress: Force for unit area stress applied (inches per inch or millimeters per millimeter)

%Strain: Ratio of elongation to effective length

Bolt Materials: Select types from a preset or custom list

Glue-On: Available for short bolts with minimal/short elongations to eliminate transducer placement errors

Datasheet