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Help CenterDJCS-05 Crack Depth Measurement Instrument
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DJCS—05 Crack Depth measurement instrument
I. According to:
Technique Regulation of Concrete Defect Detection with Ultrasonic CECS21:2000
II. Depth measurement principle
When vibration energy transmit through the concrete and pass the crack, the vibrate energy will be diffracted at the point of the crack, whose diffraction angle have geometrical relationship with the crack depth. DJCS-05 crack depth measurement instrument adopt this geometrical between the diffraction angle and depth to realize high precision depth measurement.
III. Feature and Specification
Easily operation |
start measure when turn on, simply press to finish testing. |
Result Intuition |
No wave speed test and calculate to display the crack depth directly |
Data processing |
Data can transfer to PC, and then generate test report rapidly. |
Depth scale |
10—350mm |
Test precision |
5% |
Data storage |
10600 depth data |
Display |
4″ Resolution 160×128 |
Power supply |
9VDC (6 AA battery) |
Work environment |
Temperature-5—40°C Humidity 85% |
Size |
220×180×80mm |
Weight |
1000g |
Crack depth measurement method contrast:
Test step |
Test Parameter
|
Ultrasonic plane test |
DJCS-05 |
NO-Crack-cross test |
Sound speed test |
When test sound L=100,150,200,250,300mm…Calculate sound speed |
NO calculation |
Crack-cross test |
Crack-cross transit time |
When test sound L′=100,150,200,250,300mm… |
Test L′=0,5,10,15,20mm… Diffraction wave signal |
Result display |
Crack depth calculate |
According to formula, calculate depth at office
with PC at the choice of data |
No calculation to display crack depth directly at work place |
Request for Test area |
The length must more than 300mm at the no-crack area and crack are.
|
Need no-crack area |
|
Request for Test length |
L & L’ at least 300mm |
L’=1.5 time crack depth |
|
Request to user |
User and data processer must with professional and computer knowledge |
General technical staff can operate according to manual by oneself |
|
Stable performance, best price, good quality , good after-sales service
Usage field: laboratory products
Product name: DJCS-05 Crack Depth measurement instrument, China Crack Depth Tester
Packaging & Shipping
Package
---Carton box, wooden case or specified package
1) Inner package: dust-proof plastic bag
2) Outer package: standard export wooden case with pallet
3) Suitable for international transport through shipping by sea, by air or any other delivery method.
(Note: we can provide special packages according to buyer’s requirements.)
Delivery time
---within 2weeks after payment, we will act fast and before shipment, we will provide product photo, packing photo to customer’s checking
Shipping method
---Express: UPS, FEDEX, DHL, TNT, EMS, etc
---Air shipping: Please choose your convenient shipping method according your detail requirement.
---Sea shipping: large quantity order
---Normally, it will take around 3--5days from China to destination country via air.
Payment
---T/T, Western Union, Paypal, or negotiable, ect.
Our Services
How to order products?
---Send inquiry to us or contact with us via skype or trademanager
---Confirming the model, specification, price, qty, delivery time and payment method
---Sending invoice to customer
---Customer makes payment and send us receipt
---Arranging production
---Sending products picture to customer after the production is ready
---Shipping products to customer
Warranty
---1 year quality assurance
Contact information
Zara Zheng
Nanjing T-Bota Scietech Instruments and Equipment Co., Ltd.
SKYPE: kallyem
Whatsapp: 0086 18951741065
We are waiting for your enquiry, please “Click Here” and send enquiry to us, thank you! It is first step towards successful working partnership with you!
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