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Difluid RS Extract Professional Coffee TDS Refractometer
$899.00
Reads coffee hot, from 4 to 65 °C.
RS Extract is a professional coffee refractometer for people whose measurements other people rely on: roasteries, training labs, quality teams, competitors and field service. Pour the sample straight from the brew and read it. Cooling Curve Compensation uses the room temperature and the temperature in the well to work out where the reading settles, so there is no pipette rinse, no waiting for the sample to cool, and no evaporation creeping into the result.
- ±0.02% TDS repeatability, on a refractive index resolved to 0.00002
- 0 to 30% TDS, so filter and espresso are measured on one device
- Extraction yield on the device: enter dose and beverage weight on the 3.5-inch color touchscreen and read EXT% beside TDS on the brew control chart
- 500 stored readings
- A magnetic lid seals the well while it reads, and doubles as the dust cap
- IP67, 13 hours of continuous measuring, USB-C charging
- Connects to CoffeeOS over Bluetooth, so each reading can be linked to the brew and the bean it came from
Your job gets shorter.
Cafés
Check the batch brew before open and catch the morning it drifts. Extraction is calculated on the screen, so a spec check runs in the time it takes to pour the next one and nobody has to be taught an app.
Dialing in a new bag
A grind step, a different paper, another water. Each attempt is read the same way at the temperature it was brewed at, so the gap between two cups is the thing you changed and not how long each one sat on the counter.
Cold brew and ready-to-drink
Batch 40 reads the same as batch 1, whether the sample comes warm out of the tank or cold out of the fridge. The figure is on the screen before anything goes in the can.
Training
Hand a class a figure for the coffee they just brewed, inside the session. Six brews per student in ninety minutes, and the chart is on a screen the room can gather around.
Field service
Verify a super-automatic is delivering the strength it is programmed for, and put the figure in the service report. Eleven machines before lunch, whatever each one dispensed at, on thirteen hours of battery and an IP67 rating for a van.
In stock (can be backordered)
An additional 3% fee applies to credit card payments.
To avoid this, we recommend using PayNow or Bank Transfer.
Buy from us with a peace of mind.
We are here for you.
- 100% Authentic
- Same-day delivery
- Local in-house repairs
- 24/7 Email Support
Shipping
Payments & Shipping/Delivery Policies
The Coffee Folks accepts the following payment methods:
- Major credit card payments (additional 3% credit card fee)
- Stripe Payment
For more information regarding our payment terms, please view Payment Terms tab.
A PDF invoice will be sent via text/email upon confirmation of payment on the same day. This invoice is to be used as Proof of Purchase for warranty or exchange claims purposes.
The Coffee Folks guarantees same-day delivery (if order is made and payment received before 3pm on a working day) or the next available working day delivery (if order is made and payment received after 3pm). Delivery will be made via local couriers at a stipulated time period (Morning/Afternoon).
Special arrangements during off-working hours can be arranged beforehand at an additional cost.
Local Warranty
The Coffee Folks warrants the Product against defects in materials and/or workmanship for a period of 12 months from the date of delivery of the purchase. This is for products which are purchased directly through our store.
We will cover the cost to repair or replace at our own discretion, any product that is found wanting or defective in workmanship or materials.
Please take note the following are not covered:
- Modified Products
- Third Party Damage incurred during shipping, drops, abuse, spills,
- Inappropriate usage including commercial use on a home-designated item
- Overtime wear and tear due to usage of item
- Aesthetic blemishes when not affecting functionality of item
For warranty claims, please email us at thecoffeefolks.sg@gmail.com with the following items:
- Proof or Original Purchase Receipt
Returns
Return Policies
Return & Warranty Policy
Please review our Return & Warranty Policy carefully before making a purchase.
- Electrical Products
Electrical products are covered by a 1-year limited warranty from the date of purchase, unless otherwise stated.
Returns, exchanges, repairs, or replacements may be provided on a case-by-case basis if the product is found to be faulty or defective due to a manufacturing defect. (e.g there are no exchanges for buyers’ remorse)
The warranty does not cover damage or faults resulting from misuse, improper handling, accidental damage, normal wear and tear, improper maintenance, unauthorised modifications or repairs, or any damage caused by the user.
Proof of purchase may be required for all warranty claims. We also recommend keeping the original packaging and accessories to facilitate the warranty assessment process.
- Non-Electrical Products
All non-electrical products are non-returnable and non-exchangeable once purchased, except where the product is found to be defective at the time of purchase or where otherwise required by applicable law.
Change of Mind / Cancellation
For both electrical and non-electrical products, we do not accept returns, exchanges, or cancellations due to a change of mind, including but not limited to situations where the customer no longer wants or needs the product, has purchased the wrong item, or finds the same or a similar product at a lower price elsewhere.
Once an order has been confirmed and payment has been completed, the order is considered final and cannot be cancelled or refunded due to a change of mind, including before dispatch or delivery.
If you are unsure about a product, its compatibility, warranty coverage, or our return policy, please contact us before completing your purchase.
The Coffee Folks Singapore reserves the right to assess warranty, return, and exchange requests on a case-by-case basis, subject to applicable Singapore consumer protection laws.
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