Bolt Tension Meter
TI-MINIMAX / BT1-DL Ultrasonic Bolt Tension Monitor
The MINIMAX (now known as the BT1-DL) is an Ultrasonic Bolt Tension Monitor designed to measure elongation, time, load, stress and percentage strain.This eliminates issues from traditional torque methods by directly measuring tension.
Features
| Model | BT1-DL |
|
Display Mode |
|
| Material thickness digits display |
•
|
| A-Scan |
Rectified +/- (half wave view), or RF (full waveform view)
|
| Measurement Range |
PE - 25.4 - 25,400mm (1 - 999”)
|
| Resolution |
0.001mm (0.0001”) or 0.0001mm (0.00001”) switchable
|
| Measurement Rate | |
| Manual |
8 readings per second
|
| Velocity Calibration Range |
1250 - 13,995m/s (0.0492 - 0.5510 in/μs)
|
| Temperature Compensation |
•
|
| Limit Alarm Mode |
•
|
| Memory and Data Logging |
4GB internal memory
Sequential and grid batching Bitmap graphic capture and capture viewer |
| Calibration Options |
Automatic, fixed, single and two-point
|
| Transducer Probe Type |
Single element
|
| Transducer Frequency Range |
1 - 10MHz
|
| Display |
1/8” VGA greyscale display (240 x 160 pixels)
Viewable area 62 x 45.7mm (2.4 x 1.8”) |
| Units (Selectable) |
in/mm, μs, °F/°C
|
| LED Backlight |
On / Off/ Auto
|
| Repeatability / Stability Indicator |
•
|
| Low Battery Indicator |
•
|
| Battery Save Mode |
Auto
|
| Transducer Connector Type |
Microdot, Lemo and BNC
|
| USB-C Interface |
•
|
| Temperature Sensor |
5 pin LEMO 1
|
| Screen Refresh Rate |
30 Hz
|
| Timing |
Precision TCXO timing with single shot 100 MHz 8 bit ultra-low power digitizer
|
| Pulser Type |
Square Wave. Selectable 100, 150 and 200 volts. Selectable options Spike, Thin, and Wide. 80 to 400ns
|
| Damping |
50, 75, 100, 300, 600, & 1500ohms
|
| Frequency Band |
Broadband 1.8 - 19 MHz (-3dB) filter
|
| Horizontal Linearity |
+/- 0.4% FSW
|
| Vertical Linearity |
+/- 1% FSH
|
| Amplifier Linearity |
+/- 1 dB
|
| Amplitude Measurement |
0 to 100% FSH, with 1% resolution
|
| Delay |
25,400 mm (0 - 999.9”) at steel velocity
|
| Measurement Gate |
One gate with audible and visual alarm. Amplitude 5-95%, 1% steps
|
| Setups |
64 custom user defined setups; factory setups can also be edited by the user
|
| Auto Set |
Automates the detection, scope, and display setting process for each individual bolt
|
| Alarm Limits |
Adjustable Hi/Low tolerances with visual LED’s and audible beeper
|
| Field Calibration |
Vector or Regression correction curve for increased accuracy using Load & Stress
|
| Alarm Limits Bar |
Hi & Lo alarm limits for displaying an acceptable tolerance range
|
| 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
|
| Operating Temperature | -10 to 60ºC (14 to 140ºF) | |
| Power Supply | 3 x AA batteries and via USB | |
| Battery Life | Alkaline 35 hrs, Nicad 10 hrs, NI-MH 35 hrs | |
| Gauge Weight | 383g (13.5oz) - including batteries | |
| Gauge Dimensions | 63.5 x 165 x 31.5mm (2.5 x 6.5 x 1.24”) | |
| Packing List | Unit, 3 AA Batteries, 4 oz. Bottle of Couplant, USB Type A to Type C Transfer Cable, Carrying Case, 10’ Lemo to Microdot Transducer cable, PC Utility Software (download from website), Operation Manual and Certification. | |
Probes/Transducers and Calibration blocks are sold separately
Brochure