Chlorophyll Meter (MODEL: HVS-CM035)
Chlorophyll Meter (MODEL: HVS-CM035)
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“HOVERLABS” Chlorophyll Meter
(MODEL: HVS-CM035)
The HVS-CM035 serves in a wide variety of plant applications. Through its history, the HVS-CM035 Series has established itself as a leading brand in chlorophyll measurement across the world. It has been serving researchers and growers, enabling them to perform field tests quickly and easily. The HVS-CM035 series has been used for various kinds of plants of and its applications are still growing. The HVS-CM035 determines the relative amount of chloro-phyll present by measuring the absorbance of the leaf in two wavelength regions. The graph below shows the spectrol absorbance of chlorophyll extracted from two leaf sample using 80%acetone. From the diagram, it can be seen that chlorophyll has absorbance peaks in the blue (400-500 nm) and red (600-700 nm) regions, with no absorbance in the near-infrared region. To take advantage of this characteristic of chlorophyll, the HVS-CM035 measures the absorbances of the leaf in the red and near-infrared regions. Using these two absorbances, the meter calculates a numerical Chlorophyll Meter value which is proportional to the amount of chlorophyll present in the leaf.
TECHNICAL SPECIFICATIONS:
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Type |
Chlorophyll Meter HVS-CM035 |
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Measurement subject |
Crop leaves |
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Measurement method |
Optical density difference at 2 wavelengths |
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Measurement area |
2 mmx3 mm |
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Subject thickness |
1.2 mm maximum |
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Subject insertion depth |
12 mm (with stopper having position adjustable from 0 to 6 mm) |
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Light source |
2 LED elements |
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Receptor |
1 SPD (silicon photodiode) |
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Display |
LCD panel showing 4-digit measurement value (values shown to first decimal place) and 2-digit number of measurements; Trend graph of values in memory can also be shown. |
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Display Range: |
-9.9 to 199.9 CM units |
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Memory function: |
Memory capacity for up to 30 values; Calculation/display of average of data in memory also possible |
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Power source |
2 AA-size alkaline batteries |
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Battery life |
More than 20,000measurements (when using new alkaline batteries under Konica Minolta test conditions) |
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Minimum interval between measurements |
Approx. 2 seconds |
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Accuracy |
Eithin +1.0 CM units (for CM value between 0.0 and 50.0 under normal temperature/ humidity) “*”added to display when measurement exceeds 50.0 CM units. |
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Repeatability |
Within +0.3 CM units |
For CM value between 0.00 and 50.0 (with no change in sample position) |
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Reproducibility |
Within +0.5 CM units |
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Temperature drift |
Within +0.4 CM units/oC |
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Operating temperature/ humidity range |
0 to 50oC; Relative humidity of 85% or less (at 35oC) with no condensation |
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Storage temperature/ humidity range |
-20 to 55oC; Relative humidity of 85% or less (at 35oC) with no condensation |
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Size; Weight |
78(W) x 164(H) x 49(D) mm, 200 g (excluding batteries) |
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Other |
Warning buzzer; User compensation factor |
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Standard accessories |
Depth stop; Strap; 2 AA-size alkaline batteries; Soft case; Reading checker |
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Warranty and support
Warranty and support
Every HOVERLABS instrument carries a 1-year standard warranty with installation and after-sales support across India. Units are tested on up to 230 quality parameters before dispatch, and transit damage is covered under our shipping policy.
Shipping and payment
Shipping and payment
Free shipping across India with no packaging charges. Institutions can order via purchase order, NEFT/RTGS or UPI, and credit terms are available for eligible buyers. Add your GSTIN at cart for a GST tax invoice. Export enquiries: LC or wire transfer, all Incoterms.
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