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LM Calibration Standards
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Pelcotec LMS-20G Magnification Calibration Standard
Large area, resolution 0.01mm
The Pelcotec LMS-20G calibration standard for transmitted light microscopy has been designed for precise magnification calibration and microscope stage calibration.
The 20 x10mm pattern is fabricated with Cr lines on clear soda lime glass.
The glass is fitted in a black metal slide.
Useful in the 5x to 1000x magnification range.
Specifications are:
- Total calibration area is 20 x 10mm with crossed lines and 0.01mm divisions
- 75nm Cr lines on clear soda lime g
- Cross hairs showed on every 0.1mm with larger cross hairs at 0.5 and 1mm over the complete area
- Glass thickness 550 m 50 m
- Glass mounted in black metal slide, 76.2×25.4×1.6mm
- Individual serial number on each Pelcotec LMS-20G calibration standard
- NIST Traceable version is Pelcotec LMS-20GT (batch level certificate provided)
- Individually certified version is Pelcotec LMS-20GC (individual certificate included)
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Download Technical Note |
Art. | Description | Unit | Price | Quantity | |
---|---|---|---|---|---|
688-2 | Pelcotec™ LMS-20GT, Magnification Calibration standard, Transmitted Light, Traceable, in 3″x 1″ metal slide |
Each | € 397,30 | ||
688-22 | Pelcotec™ LMS-20GC, Magnification Calibration standard, Transmitted Light, Certified, in 3″x 1″ metal slide |
Each | € 1.002,50 |
Grouped Graduation Pattern Stage Micrometer for Transmitted Light
For speedy determination of a range of feature sizes from 0.01 up to 5mm within a given specimen.
Mounted in a black anodized aluminum slide.; 75 x 24 x 2mm.
Pattern protected by a 0.13mm thick cover glass.
Patterns are 5mm in 0.5mm divisions, 2mm in 0.1mm divisions, and 0.2mm in 0.01mm divisions.
Line Width and Accuracy of Stage Micrometers
Product # | Line Width | Accuracy (overall) |
---|---|---|
2280-10 | 0.005 mm | within 0.002mm |
2280-11 | 0.005 mm | within 0.0015mm |
2280-12 | 0.002 mm | within 0.0001 inch |
2280-13 | 0.002 mm | within 0.001mm |
2280-14 | 0.001 mm | within 0.00005 inch |
2280-15 | 0.001 mm | within 0.001mm |
2280-16 | 0.0015 mm | within 0.001mm |
2280-17 | 0.0025 mm | within 0.0015mm |
2280-18 | 0.0027 mm | within 0.001mm |
2280-24 | 0.002 mm | within 0.001mm |
2269-10 | 0.003 mm | within 0.001mm |
2280-25 | 0.0025mm | within 0.0015mm |
2280-27 | 0.005mm | within 0.002mm |
2280-28 | 0.002mm | within 0.0001 inch |
2280-30 | 0.005mm | within 0.0015mm |
2280-31 | 0.004mm | within 0.0015mm |
2280-32 | 0.004mm | within 0.0015mm |
2280-33 | 0.0025mm | within 0.0015mm |
Art. | Description | Unit | Price | Quantity | |
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2280-25 | Stage Micrometer Grouped Pattern |
Each | € 386,90 |
Dual, Graduated, Metric and Inch Scale Stage Micrometer for Transmitted Light
Resolution 0.01mm/25mm length, resolution 0.001″/1″ length
Bright field stage micrometer has 1″ and 25mm scales, subdivided to provide calibration for various microscope magnifications.
- Dual scale. Both metric and inch scale on same slide.
- High definition chrome scales on soda lime glass slide (76 x 25 x 1.5mm)
- Graduated divisions for different magnifications.
- Metric: 25mm in 0.5mm divisions; 5mm in 0.1mm divisions; 1mm in 0.01mm divisions
- Inch: 1″ in 0.05″ divisions; 0.20″ in 0.01″ divisions; 0.05″ in 0.001″ divisions
- Foam-lined plastic case
- Ideal for stereo microscopes, stage measurements and light microscope calibration
- Available with UKAS (Internationally Traceable) Certificate of Calibration
Art. | Description | Unit | Price | Quantity | |
---|---|---|---|---|---|
2280-70 | Dual, Graduated, Metric and English Scale Stage Micrometer |
Each | € 417,70 | ||
2280-70U | Dual, Graduated, Metric and English Scale Stage Micrometer, with UKAS Certificate of Calibration |
Each | € 1.403,20 |
Micro-Ruler MR-1, traceable, for traceable measurements, resolution 0.01mm
The Micro-Ruler MR-1 is manufactured with anti-reflective chromium (30nm Cr2O3 over 70nm Cr) on soda-lime glass using highly accurate semiconductor manufacturing equipment.
The overall scale extends over 150mm with 0.01mm increments with all labeling in mm. The ruler is designed to be viewed from either side as the markings are both right reading and mirror images.
The overall size is 25mm x 180mm x 3mm thick, the linear expansion coefficient is 9 x 10-6ppm/ C. Over its full 150mm length, the ruler will predictably change dimensions by 1.35 m/ C.
The circles (diameter) and square boxes (side length) are 0.02, 0.05, 0.10, 0.50, 1.00, 2.00 and 5.00 mm.
They are ideal to measure magnification simultaneously in X and Y directions or to determine image distortions such as skew, pincushion, barreling or other non-linearities.
The measurement uncertainty (accuracy) is 0.5 m over 0-10mm and 2.5 m over the entire 150mm length as measured by the National Physical Laboratory (NPL) in the UK. NPL is the NIST counterpart in the UK.
The Geller MicroAnalytical Laboratory certification is made under ISO-17025 accreditation.
The MR-1 is offered as a certified reference material (a traceable standard), recertification is recommended in 5 year intervals.
Measurements should only by made by using pitch measurements, this is the distance between repeating parallel lines using either center-to-center or side-to-side spacing.
Art. | Description | Unit | Price | Quantity | |
---|---|---|---|---|---|
6085 | Micro-ruler MR-1, NPL traceable |
Each | € 2.377,70 | ||
6085-70 | Recertification and Clean, MR-1 |
Each | € 1.174,10 |
Linear Glass Scales, resolution 0.1 or 1mm
Hard wearing scales with vacuum deposited chrome on substantial glass substrates. Parallax free readings. The 50mm scale is on a glass plate of 75 x 75 x 3mm and is supplied in a plastic box with a size of 165 x 165 x 25mm. Divisions are 0.1mm.The 150mm scales are available with either 0.1mm or 1mm divisions and have a glass substrate size of 180x30x6mm and are supplied in a wooden box with a size of 250x100x40mm. A UKAS certificate is optionally available for these glass scale at the time of purchase.
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Art. | Description | Unit | Price | Quantity | |
---|---|---|---|---|---|
2280-35 | 50mm Micrometer Scale, 0.1mm divisions |
Each | € 723,30 | ||
2280-36 | 150mm Micrometer Scale, 0.1mm divisions |
Each | € 921,30 | ||
2280-37 | 150mm Micrometer Scale, 1mm divisions |
Each | € 894,30 | ||
2280-66 | UKAS Certificate for Linear Glass Scales, Traceable to UKAS Standard |
Each | € 799,60 |
Grid Counting Slides (Transmitted Light)
Produced with precision vacuum evaporated chromium centered on a glass disc, mounted in a black anodized Al slide of 75 x 24 x 2mm.
Pattern is covered with a 0.13mm cover glass for protection.
Available in two sizes.
Art. | Description | Unit | Price | Quantity | |
---|---|---|---|---|---|
2280-30 | Counting Slide, 0.1 x 0.1mm Grid / 1mm Square |
Each | € 327,40 | ||
2280-31 | Counting Slide, 0.05 x 0.05mm Grid / 0.05mm Square |
Each | € 391,20 |
England Finder – S7 Slide (Transmitted Light)
The England Finder is a glass slide marked over the top surface in a way that a referenced position can be directly read relative to the locating edges.
All England Finders produced by Graticules for over 40 years are identical.
The purpose of the finder is to give the microscopist an easy method of recording the position of a particular field of interest, so that the same position can be re-located at a later date, or by another person in another laboratory, or when using any other England Finder on any other microscope.
The location of the arrows is identical for all England Finder slides. Mark a label on the left hand side of the specimen slide, indicating the orientation to be repeated.
By replacing the specimen slide with the England Finder, taking care not to disturb the position, the feature of interest can be noted.
The feature an also be re-located at another place or time by reversing the procedure.
Over 1,800 positions on a 76 x 26mm slide can be accurately located.
Slide thickness is 1.35mm 0.05mm.
Nominal line width is 0.025mm.
Art. | Description | Unit | Price | Quantity | |
---|---|---|---|---|---|
2280-50 | England Finder S7 Slide |
Each | € 388,70 |
Sedgewick Rafter Counting Chamber
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Sedgewick Rafter Counting Chamber, plastic. Shown with box and coverglass. | Sedgewick Rafter Counting Chamber, glass. Shown with box and coverglass. | Sedgewick Rafter Counting Chamber, glass, plain without grid marking. Shown with box and coverglass | |||
Sedgewick Rafter Counting Chambers are used in water analysis, culture inspection and applications where particles per unit volume must be ascertained. The Chamber consists of a 2mm thick clear base slide measuring 76 x 40mm. A rectangular chamber has been built onto this base. A coverglass is then placed atop the chamber. The Chamber measures 50mm L x 20mm W x 1mm deep with a grid-marked base of 1000 1mm squares. When the chamber is filled with liquid and the coverglass in place, a 1 ml volume of liquid is trapped. Under low magnification with a light microscope, each grid square is equivalent to 1 microliter(ul) of liquid. The S53 Sedgewick Rafter Counting Chamber is for many counting applications, APHA methods and where large particles and larger zooplankton in fluids are being analyzed. The S53 is plain glass without grid markings. The chamber holds 1 ml. of fluid. The S53 may be used with an eyepiece reticle where counting and sizing is required. Sedgewick Rafter Chambers are available in an economical plastic version for education and training, a professional version with high quality optical glass with a chromium surface image with counting grid, and a high quality optical glass without grid markings for large particles. The coverglass is compatible with all chamber versions. Note: Over the years the name of these slides has been incorrectly spelled as Sedgewick Rafter. The original methods were developed by William Thompson Sedgwick and George W. Rafter, so the true spelling should be Sedgwick Rafter. |
Art. | Description | Unit | Price | Quantity | |
---|---|---|---|---|---|
2280-51 | Sedgewich Rafter Counting Chamber, Plastic, with Coverglass |
Each | € 88,20 | ||
2280-52 | Coverglass for Sedgewich Rafter Counting Chamber Replacement |
Each | € 30,80 | ||
2280-53 | Sedgewich Rafter Counting Chamber, Glass, with Coverglass |
Each | € 349,60 | ||
2280-54 | Sedgewick Rafter Counting Chamber, 1ml. volume, without Grid Marking, Glass, with Coverglass |
Each | € 164,60 |