美国DAKOTA NDT螺栓应力测试仪BT1-DL/BT2-DL

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

美国DAKOTA NDT 螺栓应力测试仪BT1-DL

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 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

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.

● 提供标准证书

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