We are China manufacturer of high quality grade 36,grade 55, grade 105 Threaded Rods and threaded bars in astm f1554 standard. Our advantages and more services of threaded steel rods includes:
1) Wide range of diameters from 1/2" - 4"
2) Customized Length from 100mm to 12000mm
3) Good threads at 60 degree
4) Good straightness: 1mm/m max
5) Even hardness on whole bars
5) Proper mechanical properties
7) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
8) Fast delivery time
Grade 36 Threaded Rod,Grade 36 Steel Bar,Grade 55 Threaded Rod,Astm F1554 Grade 105 steel bar,Astm F1554 Grade 105 Threaded Rods SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.sdcolddrawnsteelbar.com
CNR200 is another mainstream brand colorimeter introduced by labmen which has synthesized the advantages of ten more traditional imported colorimeters and has experienced ten thousands tests and applied many innovative technologies. Accurate, Stable, Exquisite and Affordable!
1. Leading Humanity Design and Convenient Operation
One-touch access to measurement interface
Structure design in line with ergonomics
East-to-use operating interface
2. Stable Measurement Performance
The repeatability △E is 0.08.
Portable structure design which is more conductive to keeping the instrument stable when using.
3. Convenient and Fast Locating
   Illumination locating is a fast, simple and convenient locating which created by labmen.
4. PC Software-Realize More Function Expansion
   Labmen has the intellectual property of PC software. The corresponding software serial number and password protection are configured in labmen colorimeter. Â
   Be able to perform color difference analysis, color difference cumulative analysis, chromaticity index, color sample database management, simulating object color, etc.
5. Advanced Power Management Design
   Labmen is the first enterprise using high capacity Li-ion battery in colorimeter.
Labmen Li-ion battery can be repeatedly charged which will save cost. Meanwhile, it can measure more than 3000 times on one charge to ensure the stability of long time measurement.
Technology Specifications
Illuminating/Viewing Geometry
8/d
Measuring Aperture
Φ8mm
Detector
Silicon photoelectric diode
Color Space
CIEL*a*b*C*h*CIEL*a*b*
Color Difference Formula
△E*ab△L*a*b△E*C*h
Light Source
D65
Light Source Device
LED blue light excitation
Errors Between Each Equipment
≤0.50△E*ab
Storage
100 pcs standards 5000 pcs samples
Repeatability
Standard deviation within ΔE*ab 0.08
Average of 30 measurements of standard white plate
Weight
500g
Dimension
205×70×100 mm
Power source
Rechargeable lithium-ion battery 3.7 V@3200 m Ah
Lamp Life
3 years, more than 1 million measurements
Charging Time
8 hours--100% electricity
Measurement Times Before Recharging
3000 times in 8 hours
Operating Temperature/Humidity Range
-10~40ºC, relative humidity 0~85% with no condensation
Data Interface
USB
Optional Accessories
Miniature thermal printer, Powder Test Box
High-end brands of domestic colorimeter