- 美国DAKOTA NDT螺栓应力测试仪BT1-DL/BT2-DL
详细信息
品牌:美国DAKOTA NDT 型号:/BT2-DL 输入通道数:1 应力测量范围:根据自选探头 分辨率:+/-0.0001毫米 可测样品高度:根据自选探头 外形尺寸:63.5 x 165 x 31.5 mm
BT1-DL 使用超声波精确测量紧固件的伸长、时间(纳秒)、载荷、应力和%应变。采用先进的超声波皮射技术 ,能快速地测量出螺栓紧固后的应力和应变 ,
具有使用方便、显示直观、 便于携带等特点。
螺栓应力测试仪以其*的构思、 强大的功能和测量广泛的应用于航空航天、 卫星制造、电力设备、 建筑桥梁和石油化工等领域。
简介
DAKOTA NDT BT1-DL 螺栓张力监视器
当螺母和螺栓在负载下紧固在一起时,拧紧螺母的动作会增加施加在螺栓上的力,从而导致伸长。
通过使用超声波,螺栓张力监视器不受温度、摩擦或电阻因素的影响,这些因素会影响标准扭矩测量技术的精度.
BT1-DL螺栓张力监视器的精度在0.0001毫米(0.0001英寸)内。
使用仪表的USB接口以及可选的关闭附件,可以编程为在施加适当的负载时自动停止拧紧过程。
特点
显示和测量选项的范围包括:伸长率、载荷、应力和%应变、RF、校正、带限幅杆的大数字
温度补偿以对抗温度变化引起的测量不规则
数据存储能力:4GB内部内存
自动设置功能自动优化检测和调整显示
与数据端口一起工作的HI/LO警报耐受性限制产品特性:
可测量值:时间/伸长量/载荷/应力/应变
显示屏VGA(240 X 160)
测量模式:界面波-回波;带闸门的界面波-回波
自动探头识别
自动校准
自动温度补偿
Windows界面计算机通讯软件
USB-C接口
美国DAKOTA NDT 螺栓应力测试仪BT1-DL产品参数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 viewerCalibration 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
技术参数Part Number Description Certificate Z-156-0008 Dakota BT1-DL Bolt Tension Monitor (MiniMax) 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.
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