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Monochromator consists of diffraction grating, slits and spherical mirrors, all held by precision opto-mechanical mounts. The input light source, which is always application dependent, typically emits a broad spectrum of radiations. Diffraction grating disperses light by diffracting different wavelengths at different angles. The angular position of the grating is adjusted by the use of rotary stage so that light with required wavelength is passed through the exit slit and all other wavelengths are blocked, without changing position of mirrors and slits.

Shipping & Delivery: The shipping costs, Custom Duty and any (if) landing taxes etc will be extra. The date of delivery is only an estimate and we will have no liability for late or partial deliveries. we may refuse any order for any reason. Catalog items are normally shipped immediately from inventory. In the event that the items is out of stock, an estimated delivery date is given at the time of order. Most items can be shipped within 45 days.

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Specifications: HOLMARC reserves the right to modify, change or otherwise improve all items in the catalog specifications without prior notice.

Taxes: We collect general sales tax on shipments, unless the purchaser supplies us a signed official sales tax exemption certificate with the order. Purchase made outside our region are subject to state or local sales/ use tax, if any and other taxes payable by reason of this transaction.

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Product warranty: Our warranty for all our mechanical components and systems are ONE year from the date of shipment. Repair or replacement will be made free of charge for products with defects in material and workmanship during this period. For our optical components, our warranty is 30 days from the date of shipment. Defective items will be replaced free of cost. The customer must notify any defect in optical components within 48 hours of receipt. For all warranty replacement, a written statement with an authorized signature indicating the reason for rejection attaching test reports are requested to accompany the returned parts. All defective items must be returned in their original shipping container within 10 days of the date of shipment.

Precision stepper motor controlled rotation stage is used for driving the grating. Very fine resolution for the grating stage is achieved by the micro-stepping feature of the stepper motor control. Wavelength selection is made much easier in automated system compared to manually adjusted versions.

Our core competency is in prototype development and low volume production of opto-mechanical devices and systems where skilled labour is the major input. Our location in INDIA enables us to be the most cost effective in this field of activity compared to any other company in the world.

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Payment: 100% Advance payment prior to dispatch. Customers paying by international wire transfer must prepay all bank charges including all charges imposed by correspondent or intermediary banks.

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The products described in this website constitute only the standard items we manufacture for research and industrial market. One of our major activity is in OEM market where we develop and supply low volume opto-mechanical devices & positioning as per custom design. We also undertake contract manufacturing of opto-mechanical products in standard and custom specifications.

Our strength is our satisfied customers worldwide. We request your continued support in our endeavor to serve you better.

We have in-house infrastructure capabilities for all the processes involved in the manufacture of our products. This helps us to have total control of quality in our products and services.

HOLMARC’s Spectra UV-VIS-INR standard monochromators are designed for general spectroscopic research needs. These monochromators are designed using single 1200 lines / mm holographic precision grating. A microprocessor onboard controls the motor for precision wavelength positioning. The instrument can be operated either from the front panel or through a personal computer which can be interfaced with the device by using RS 232C serial port. The front panel of the device has user friendly keyboards and back lit LCDs. Input and output ports of the monochromator are fitted with precise, micrometer controlled variable slits. Mirrors are kinematically mounted for fine tuning during installation and setup. The software developed for the instrument has facilities for setting up and calibration as well. System accepts input data as wavelength or wave number.

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Ours is an organisation dedicated for the design, development and manufacture of optics, opto-mechanics, educational products and positioning devices.

We try improving the quality of our products for every consignment we dispatch. Our customers can expect to receive better products each time a purchase order is placed with us.

Purchase Orders: Written, faxed and e-mail purchase orders are accepted. All orders require immediate written confirmation.