Name: K850 critical point dryers and accessories
Brand: Quorum Technologies
SKU: QUOEK3102
Price: 15015.0 AUD
Availability: InStock

Type

CO2 conditioning system

Bulk sample holder

Coverslip holder

TEM grid holder

Porous pot holder

Critical point dryer

Critical point dryer, large chamber

Pack Size

Each

Price P.O.R.

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The K850 combines versatility and ease of operation. Built-in thermo-electric heating and adiabatic cooling allow precise temperature control. The K850WM is a compact, bench-top instrument with a convenient wafer holder allowing rapid transfer and ensures that pre-drying does not occur.

K850:

Side viewing chamber port : good visibility
Built-in adiabatic cooling and thermoelectric heating : accurate temperature control, no external water supply needed
Fine control needle valve pressure let-down : precise control of decompression avoids potential damage to specimens by uncontrolled pressure release
Built-in magnetic stirrer : enhances solvent exchange
Temperature monitoring and control with thermal cut-out protection
Pressure monitoring with safety cut-out for over pressure
Easy to operate valves : light finger pressure only is needed to open and close
Optional holders for large specimens and coverslips

The K850 is fitted with thermo-electronic heating and adiabatic cooling with temperature control of 5°C cooling and 35°C during heating. This allows pre-cooling of the chamber to aid filling with liquid CO2 and during the heating cycle ensures that the critical point is accurately obtained. Three valves: fluid inlet, flushing and a gas venting system which uses a fine needle valve to give controlled pressure let down. A built-in magnetic stirrer ensures thorough mixing of specimens with circulating fluids. The standard specimen holder has 12 individual chambers (8mm diameter x 8mm high) and allows easy exchange and transfer. There are optional holders for large specimens and for microscope coverslips. For very small specimens porous pots are available.

K850WM:

170mm diameter process chamber: optimised for wafer and MEMS drying
Vertical chamber with top-loading and bottom draining: ensures specimens do not become uncovered during drying
Thermo-electric heating: accurate temperature control
Fine-control needle valve pressure let-down: precise control
Temperature monitoring and control with thermal cut-out protection
Pressure monitoring with safety cut-out for over pressure

The K850WM has built-in heating and water cooling using the E4860 recirculating heater/chiller. This combination will give temperature control of down to 5°C cooling and 35°C during heating. This ensures the critical point is accurately obtained, avoiding excess pressures or temperatures, or the need to rely on pressure relief valves to control pressure during the heating cycle. The vertical chamber allows top-loading of specimens. A viewing port is fitted in the top plate for specimen observation. The exchange mechanism is simple to use and ensures specimens remain under liquid during loading.

Specimen handling

Single 4 inch or 6 inch wafers are held in a PTFE holding tray. The tray including wafer is immersed in chosen transition fluid (e.g. acetone) in order to remove all moisture from the specimen. After dehydration, the wafer and holder are transferred into the pre-cooled specimen chamber using the wafer transfer device. On completion of the critical point drying process, the wafer is removed from the chamber using the transfer device prior to further processing.

Technical Data

Specifications:

Model	Details
K850	Includes: 1 x Specimen holder stainless steel (12 compartments 8mm x 8mm) and 10 x PTFE Porous Specimen Pots (18mm x 14mm Pack 10) Instrument case 450mm W x 350mm D x 175mm H Weight 12kg Specimen chamber 30mm diameter x 40mm H (tested to 3000psi) Temperature gauge 0-120°C Thermal cut-out 40°C Pressure gauge 0-3000psi Pressure relief at 1700psi Rupture disc - At 1900psi Peltier cooling/heating 5°C to 35°C 4 x On/off valves, cool/fill/out/bleed 1 x Needle valve letdown, fine bleed (in series with bleed) NOTE - Flow gauge monitor option fitted externally in series with fine bleed. (0-2.2L/min, CP03266-18) Services - Requires CO2 (local supply) high pressure hose for direct connection. (High pressure hose included with instrument) Electrical 230V, 50Hz (3A Max.) or 115V, 60Hz (6A max.) Warranty - 3 Years all parts
K850WM	Includes: PTFE specimen holder (for a 150mm wafer), high pressure CO2 hose, operating manual and test certificate Dimensions - W450 x D350 x H175mm Weight - 12kg Chamber size 170mm internal diameter x 15mm high Test pressure 3000psi Operating temperature 35°C (critical point temperature is 32°C) Operating pressure 1350psi (critical point pressure 1172psi) Pressure safety cut-out 1700psi Electrical 230V 50Hz (3A max) or 115V 60Hz (6A max) Site considerations - Requires space for CO2 cylinder Requirements E4860 Heater/chiller (for cooling chamber), EK3102 CO2 bottle heating system

Quorum Critical Point Dryers product brochure

K850 critical point dryers and accessories

Images are illustrative only. Please check product details before ordering.

Updated: 25-12-2024

Code	Type	Pack Size	Availability*	Price (ex GST)
QUOEK3102	CO2 conditioning system	Each	10 weeks	P.O.R.
QUOEK4130	Bulk sample holder	Each	10 weeks	P.O.R.
QUOEK4135	Coverslip holder	Each	10 weeks	P.O.R.
QUOEK4141	TEM grid holder	Each	10 weeks	P.O.R.
QUOEK4145	Porous pot holder	Each	10 weeks	P.O.R.
QUOK850	Critical point dryer	Each	10 weeks	P.O.R.
QUOK850WM	Critical point dryer, large chamber	Each	10 weeks	P.O.R.

* Availability Explanation

X weeks – the estimated lead time, based on the average time taken previously to fill orders from this particular supplier. Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.

In Stock – Plenty of stock on the shelf, ready to ship.

No ETA – our supplier has advised they cannot provide an accurate ETA. Generally there is some issue with supply, and it may be more than 6 months.

REFUNDS AND RETURNS

Please ask prior to returning any goods.

Defective products should be returned to us for replacement or credit. It is best to contact support with as much detail as possible, including pictures, so we can quickly resolve the issue. ProSciTech Pty Ltd complies with the ACCC guidelines, available here: https://www.accc.gov.au/consumers/consumer-rights-guarantees/repair-replace-refund

If you decide the item purchased does not suit your requirements, you may contact us to see if a return is possible. Some items may not be refunded, so please ask before purchase if you think a return may be necessary. The greater of $15 or 15% re-stocking charge will be levied on materials returned due to an error on the part of the customer. We try to keep this charge minimal, however returns do have a cost to us.

SHIPPING INFORMATION

Shipping and Handling charges are $20 for Australian orders; free for orders over $200.

In-stock items are generally sent same day. Orders are shipped shipped from Townsville, Queensland. Our couriers pick up from 2:30pm, so please place your order in plenty of time for processing and packing if you would like it sent same day. When items are not in stock, your order may be part-shipped. Items on back-order will be sent as soon as they become available.

ProSciTech will choose the courier for your order with consideration for the destination, value of parcel, weight and perishability of contents. It is our concern that our shipments reach you, our customer, rapidly and in good condition. Please contact us if you have any issues with a shipment and we will do our best to resolve it. Please keep in mind however, that our legal responsibility ends when goods are passed to the carrier.

Order Value	Shipping and Handling charges
Greater than $200 - (exceptionally heavy or Dangerous Goods excluded).	Free
Less than $200	$20
Express shipping	$30

Delivery times:

Check your email for tracking details provided at time of shipping for updates of your parcel. We cannot guarantee delivery times, as this is outside of our control. The following are the delivery estimates as given by our couriers.

Regular shipping
Queensland	1-3 business days
Sydney	2-5 business days
Melbourne, Adelaide, Hobart or Canberra	3-10 business days
WA, NT and non-metro areas	4-10 business days
Express shipping
Australia wide	1-2 business days

Urgent Orders:

Please request "Express" if you would like us to upgrade your shipment to express delivery. Providing your order fits in a satchel and/or is under 1kg in weight, we will ship your order either DHL, TNT or Express Post. Larger or heavy orders need a quotation for additional freight costs.

Dangerous goods:

See the table on the page for DG shipment costs by road. Please specify when ordering if you require air service (this can be prohibitively expensive). Please request a quotation. We will charge at cost.

Shipping to New Zealand Destinations

Orders are now shipped 'receipted delivery'.

Charges:

Order Value	Shipping and Handling charges
Greater than $200 - (exceptionally heavy or Dangerous Goods excluded).	Free
Less than $200	$26 Minimum Charge

Heavy items (e.g. benchroll or large quantities of microscope slides) may require an additional freight charge - please ask for a quote.

DANGEROUS GOODS shipped to New Zealand: Dangerous goods will be air-freighted and the freight charge billed at cost. Typically, this will be about AUD $600AUD to New Zealand (Up to 2kg).

Delivery times: by air with signature on delivery, depending on courier, delivery can take 3-14 working days. Customs delays are unpredictable and can extend the delivery. Due to COVID19 delivery times have been extended through the couriers and are out of our control.

Shipping to Rest of World Destinations

Contact us for a quote for shipping.

Delivery times: by air with signature on delivery, depending on courier, delivery can be 7-21 working days. Customs delays are unpredictable and can extend the delivery time. Due to COVID19 delivery times have been extended through the couriers and are out of our control.

DANGEROUS GOODS shipped outside Australia: Not available

GUARANTEE

All products are guaranteed as advertised. Defective products should be returned to us for replacement or credit. Please contact us prior to returning goods.

We endeavour to provide accurate descriptions, illustrations, prices and stock availability, but errors and omissions are possible. All quotations are E&OE (Errors and Omissions Excepted)

LIABILITY

All products are intended for laboratory applications only and the user assumes all responsibility involved in use and handling. We accept no liability for loss or damage resulting from the use or abuse of our products.

At ProSciTech, we make it easy for you to get an accurate quote for the products you're interested in. Our automatic quote generates a formal quote, including shipping, and sends it to your inbox.

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Trouble Shooting

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For Manual Quotes:

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