Measuring Equipments – Central Science Supplies http://centralscience.spiderns.com School and College Science Supplies Tue, 13 Oct 2026 17:41:39 +0000 en-GB hourly 1 https://wordpress.org/?v=7.1.3 SPECTROPHOTOMETER DOUBLE BEAM UV VIS http://centralscience.spiderns.com/product/spectrophotometer-double-beam-uv-vis/ http://centralscience.spiderns.com/product/spectrophotometer-double-beam-uv-vis/#respond Tue, 13 Oct 2026 17:41:39 +0000 http://centralscience.spiderns.com/product/spectrophotometer-double-beam-uv-vis/ Optical System Double beam optics
Spectral Band Pass Width(nm) ? 1.0
Wavelength
range(nm) 190~1100
accuracy(nm) ??0.3 (at D2 Peak 656.1nm, 486.0nm)
reproducibility(nm) ??1.0
setting(nm) 0.1
slew rate(nm/min) about 5000
scanning speed(nm/min) maximum 3000
Photometric
range(Abs) -4.0 ~ 4.0
accuracy(Abs) ?0.004 (at 1.0), ?0.002 (at 0.5)
reproducibility(Abs) ?0.002 (at 1.0), ?0.001 (at 0.5)
stray light(%T) 0.05 (220nm, 340nm)
Baseline flatness(ABS/h) ??0.001 (at 550nm)
Baseline Flatness(ABS) ?? 0.001 (200 ~ 1100nm)
Noise Level(A) ?0.001
Drift(A/hr) 0.002 (at 340nm)
Monochomater Modified Czerny-Turner type with 1200 lines/mm blazed Grating
Light Source Tungsten-Halogen Lamp & Deuterium Lamp
Lamp Change Wavelength 340~410 (Default 370), include Auto Position System
Standard Cell Holder Automatic Rotary type 8-position Multi-Cell Holder
Interface Ports USB, Serial ports, Parrallel ports
Power Requirement Free Voltage
Overall Dimensions(mm) 600(W)x400(D)x250(H)
Weight 16kg(Only Main System)

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SPECTROPHOTOMETER UV VIS SMART http://centralscience.spiderns.com/product/spectrophotometer-uv-vis-smart/ http://centralscience.spiderns.com/product/spectrophotometer-uv-vis-smart/#respond Tue, 13 Oct 2026 17:41:03 +0000 http://centralscience.spiderns.com/product/spectrophotometer-uv-vis-smart/ SOur Smart System can grasp the quantitative characteristics such as density or
purity by measuring transmittance or optical density according to wavelength of
sample in the range of ultraviolet rays and visible ray.Smart can be utilized from
not only a general analysis experiment to but also a specialized research field
and guarantee accurate measurement and excellent reproducibility, accordingly
offer reliable results in the various fields such as environment, biotechnology,
chemistry, etc.
Specifications :
Photometrics System : Double-beam type
Spectral Bandwidth : 1 nm (190 to 1100 nm)
Wavelength Range : 190 to 1100 nm
Wavelength Display(setting) : 0.1 nm
Wavelength Accuracy : <± 0.05 nm at 486, 656.1 nm <± 0.3 nm (190 to 1100 nm) Wavelength Repeatability : <± 0.1 nm Slew Rate : About 8,800 nm/min Scan Speed : Max 4,000 nm/min Photometric Range : Absorbance: -4 to 4 Abs Transmittance: 0 % to 400 % Light Source : Tungsten Halogen Lamp & Deuterium Lamp (Built-in light source auto interchanging motor) Stray Light : < 0.02 % Nal at 220 nm, NaNO₂ at 340 nm Monochromator : Czerny-Turner type with 1200 lines/nm blazed grating Standard Cell Holder : Automatic Rotary type 8-position Multi-Cell Holder Photometric Repeatability : ± 0.0002 at 0.5 Abs ± 0.0006 at 1.0 Abs ± 0.001 at 2.0 Abs Baseline Stability : < 0.0003 Abs/h Baseline Flatness : <± 0.0005 Abs Lamp Interchange Wavelength : 340~410 nm (Default 370 nm) Display : 8 inch color LCD with touch screen Operating System(OS) : Windows 10 (Embedded PC); Power Requirement : 100~240 V; 50~60 Hz Weight(kg) : 14 kg Dimensions(WxDxH) : 520 mmx500 mmx200 mm

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SPECTROPHOTOMETER VIS http://centralscience.spiderns.com/product/spectrophotometer-vis/ http://centralscience.spiderns.com/product/spectrophotometer-vis/#respond Tue, 13 Oct 2026 17:40:07 +0000 http://centralscience.spiderns.com/product/spectrophotometer-vis/ Optical System : Single Beam
Spectral Band Width : 1.8 nm (190 to 1100 nm)
Wavelength Range : 190 to 1100 nm
Wavelength Display(setting) : 0.1 nm
Wavelength Accuracy : <± 0.5 nm Wavelength Reproducibility : <± 0.1 nm Slew Rate : About 8,800 nm/min Scanning Speed : Max 4,000 nm/min Photometric Range : Absorbance : -3 to 3 Abs Transmittance : 0 % to 300 % Photometric Accuracy : ± 0.005 at 1.0 Abs Photometric Reproducibility : ± 0.003 at 1.0 Abs Stray Light : < 0.05 % Nal at 220 nm, NaNO₂ at 340 nm Baseline Stability : <± 0.001 Abs/h Baseline Flatness : ± 0.002 Abs Monochomater : Czerny-Turner type with 1200 lines/nm blazed grating Light Source : Tungsten Halogen Lamp & Deuterium Lamp (Built-in light source auto interchanging motor) Standard Cell Holder : Automatic Rotary type 8-position Multi-CellHolder Display : 7 inch color LCD with touch screen Operating System(OS) : Windows CE Power Requirement :100~240 V; 50~60 Hz Overall Dimensions : (WxDxH) 433 mmx381 mmx180 mm Weight : 8 Kg

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BALANCE DIGITAL ANALYTICAL 310 G X 0.1 MG TOUCH SCREEN http://centralscience.spiderns.com/product/balance-digital-analytical-310-g-x-0-1-mg-touch-screen/ http://centralscience.spiderns.com/product/balance-digital-analytical-310-g-x-0-1-mg-touch-screen/#respond Tue, 13 Oct 2026 17:34:14 +0000 http://centralscience.spiderns.com/product/balance-digital-analytical-310-g-x-0-1-mg-touch-screen/ Electromagnetic Force Compensation Technology.
Aluminum Alloy die cast base and ss platter.
Super Bright LCD display with backlight.
RS232C Interface
Clear Glass Windshield as standard.
Over load protection, Bubble Level Adjustment, Under hook
Full capacity Substraction
Multi Weighing unit conversation g/mg/ct/oz.
Check Weighing, Parts counting, percentage weighing
Universal power adaptorsupplied as standard
Certificated calibration weight supplied as standard.
Internal calibration system
CE approval

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PHOTOMETER PORTABLE MINI http://centralscience.spiderns.com/product/photometer-portable-mini/ http://centralscience.spiderns.com/product/photometer-portable-mini/#respond Tue, 13 Oct 2026 17:32:47 +0000 http://centralscience.spiderns.com/product/photometer-portable-mini/ Optical System Reflectent Monochromator with Optical LED
Detector Photodiode
Photodiode 128×64 dot matrix graphic LCD
Printer Small label printer (Optional)
Power requirement Four 1.2V Ni-MH rechargeable batteries
DC 9V 1A Adapter
Inhibition Reproducibility ? 3%
Data save Maximum 2000
Interface Ports USB communications RS-232C serial
Data download PC S/W Provided (Optizen MiNiView)
Time setting Extraction 5min/Reaction 10min
Overall Dimensions 110(W) x 48(H) x 245(D)
Weight 500g

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BALANCE DIGITAL ANALYTICAL 1000G X 1 MG TOUCH SCREEN http://centralscience.spiderns.com/product/balance-digital-analytical-1000g-x-1-mg-touch-screen/ http://centralscience.spiderns.com/product/balance-digital-analytical-1000g-x-1-mg-touch-screen/#respond Tue, 13 Oct 2026 17:32:16 +0000 http://centralscience.spiderns.com/product/balance-digital-analytical-1000g-x-1-mg-touch-screen/ Electromagnetic Force Compensation Technology.
Aluminum Alloy die cast base and ss platter.
Super Bright LCD display with backlight.
RS232C Interface
Clear Glass Windshield as standard.
Over load protection, Bubble Level Adjustment, Under hook
Full capacity Substraction
Multi Weighing unit conversation g/mg/ct/oz.
Check Weighing, Parts counting, percentage weighing
Universal power adaptorsupplied as standard
Certificated calibration weight supplied as standard.
Internal calibration system
CE approval

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MELTING POINT APPARATUS DIGITAL http://centralscience.spiderns.com/product/melting-point-apparatus-digital/ http://centralscience.spiderns.com/product/melting-point-apparatus-digital/#respond Tue, 13 Oct 2026 17:31:49 +0000 http://centralscience.spiderns.com/product/melting-point-apparatus-digital/ Melting point apparatus, 1?C resolution, with pack of 100 melting point tubes, closed at one end, 240V ,Digital Selection and Display of Temperature
High Accuracy
Easy to Operate with Plateau Facility
Number of Samples: 2
Temperature Range: Ambient to 300?C (572?F)
Temperature Accuracy: ?1.0?C @ 20?C (68?F), ?2.5?C @ 300?C (572?F)
Display: 3-digit LED (no display hold)
Display Resolution: 1?C
Ramp Rates: 20?C (68?F) per minute to plateau, 2?C (3.6?F) per minute to melt
Dimensions: 160 W x 220 D x 170 mm H (6.4 x 8.7 x 6.8″)
Weight: 1.8 kg (4 lb)
Electrical Supply: 120/240V, 50/60 Hz, 75 W

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BALANCE DIGITAL ANALYTICAL 220 G X 0.1 MG TOUCH SCREEN http://centralscience.spiderns.com/product/balance-digital-analytical-220-g-x-0-1-mg-touch-screen/ http://centralscience.spiderns.com/product/balance-digital-analytical-220-g-x-0-1-mg-touch-screen/#respond Tue, 13 Oct 2026 17:31:26 +0000 http://centralscience.spiderns.com/product/balance-digital-analytical-220-g-x-0-1-mg-touch-screen/ Electromagnetic Force Compensation Technology.
Aluminum Alloy die cast base and ss platter.
Super Bright LCD display with backlight.
RS232C Interface
Clear Glass Windshield as standard.
Over load protection, Bubble Level Adjustment, Under hook
Full capacity Substraction
Multi Weighing unit conversation g/mg/ct/oz.
Check Weighing, Parts counting, percentage weighing
Universal power adaptorsupplied as standard
Certificated calibration weight supplied as standard.
Internal calibration system
CE approval

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BALANCE DIGITAL ANALYTICAL 600 G X 1 MG TOUCH SCREEN http://centralscience.spiderns.com/product/balance-digital-analytical-600-g-x-1-mg-touch-screen/ http://centralscience.spiderns.com/product/balance-digital-analytical-600-g-x-1-mg-touch-screen/#respond Tue, 13 Oct 2026 17:30:50 +0000 http://centralscience.spiderns.com/product/balance-digital-analytical-600-g-x-1-mg-touch-screen/ Electromagnetic Force Compensation Technology.
Aluminum Alloy die cast base and ss platter.
Super Bright LCD display with backlight.
RS232C Interface
Clear Glass Windshield as standard.
Over load protection, Bubble Level Adjustment, Under hook
Full capacity Substraction
Multi Weighing unit conversation g/mg/ct/oz.
Check Weighing, Parts counting, percentage weighing
Universal power adaptorsupplied as standard
Certificated calibration weight supplied as standard.
Internal calibration system
CE approval

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MELTING POINT APPARATUS ANALOG http://centralscience.spiderns.com/product/melting-point-apparatus-analog/ http://centralscience.spiderns.com/product/melting-point-apparatus-analog/#respond Tue, 13 Oct 2026 17:30:35 +0000 http://centralscience.spiderns.com/product/melting-point-apparatus-analog/ Melting point apparatus, with thermometer and pack of 100 melting point tubes, open both ends, 240V, NIST Certificate, UK & European Power Cords , Number of Samples: Up to 3
Temperature Range: 50 to 250?C (122 to 482?F)
Heating Rate: 1 to 10?C (34 to 50?F) per minute
Dimensions: 370 W x 140 D x 110 mm H (15 x 5.5 x 4.3″)
Weight: 1.7 kg (3.7 lb)
Electrical Supply: 120/240V, 50/60 Hz, 50 W
IP Rating: 40
Easy to Operate?Ideal for Educational Use
Supplied with Safe Spirit Filled Thermometer

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