We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
EXTECH Refractometer: Salinity, +/-0.1% Salinity Accuracy, Auto, Analog, 0 ppt Salinity - Min - Analog Handheld Refractometers
EXTECHAnalog Handheld Refractometers

EXTECH Refractometer: Salinity, +/-0.1% Salinity Accuracy, Auto, Analog, 0 ppt Salinity - Min

The EXTECH RF20 is an analog handheld refractometer designed for salinity testing. It offers an accuracy of +/-0.1% Salinity and a resolution of 1 ppt Salinity, with a refractive index range from 1 RI to 1.07 RI…

SKU 3G-OTH-377190

Brand
EXTECH
Item
Refractometer: Salinity, +/-0.1% Salinity Accuracy, Auto, Analog, 0 ppt Salinity - Min
Category
Analog Handheld Refractometers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

EXTECH
Manufacturer Part Number
RF20
Type
+/-0.1% Salinity Accuracy, Auto, Analog, 0 ppt Salinity - Min
RI
1
Accuracy
+/-0.1% Salinity
Resolution
1 ppt Salinity
Test Parameters
Salinity
Refractive Index - Max
1.07 RI
Refractive Index - Min
1 RI
Automatic Temperature Compensation Included
Automatic
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH RF20 is an analog handheld refractometer designed for salinity testing. It offers an accuracy of +/-0.1% Salinity and a resolution of 1 ppt Salinity, with a refractive index range from 1 RI to 1.07 RI. This instrument includes automatic temperature compensation for consistent readings.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Used in

Common applications for EXTECH
HVAC system diagnostics — EXTECH AN340 vane anemometer for air velocity and humidity measurement
Industrial machinery maintenance — EXTECH 461995 laser tachometer for RPM and surface speed checks
Food and beverage quality testing — EXTECH RF12 analog refractometer for Brix concentration measurement
Refrigerant leak detection — EXTECH RD350 heated diode leak detector for R-513A systems
Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH analog handheld refractometers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
EXTECH Salinity Meter: 0 ppt – 70 ppt, ±2% FS Salinity Accuracy, 0°C – 50°C, Auto, +/-0.9°F/0.5°C (MPN EC170). Key specifications — Salinity Accuracy: ±2% FS.
EXTECH
EXTECH Salinity Meter: 0 ppt – 70 ppt, ±2% FS Salinity Accuracy, 0°C – 50°C, Auto, +/-0.9°F/0.5°C (MPN EC170). Key specifications — Salinity Accuracy: ±2% FS.
LAXCO, INC Refractometer: Salinity/Specific Gravity, +/-0.001 SG/+/-1%Salinity Accuracy, Auto (MPN RHE-S10ATC). Key specifications — Brand: LAXCO, INC; Accuracy: +/-1 % Salinity; Automatic Temperature Compensation Included: Automatic; Resolution: 0.1% Salinity; Test Parameters: Salinity.
LAXCO
LAXCO, INC Refractometer: Salinity/Specific Gravity, +/-0.001 SG/+/-1%Salinity Accuracy, Auto (MPN RHE-S10ATC). Key specifications — Brand: LAXCO, INC; Accuracy: +/-1 % Salinity; Automatic Temperature Compensation Included: Automatic; Resolution: 0.1% Salinity; Test Parameters: Salinity.
EXTECH Conductivity Meter: Conductivity/Temp/Total Dissolved Solids, ±2% F.S.(+1 digit), 2,000 uS/cm (MPN EC210). Key specifications — Manufacturer Part Number: EC210; Brand: EXTECH; Configured Test Parameters: Conductivity; Test Parameters: Total Dissolved Solids; Reagents and Solutions Included: Reagents Sold Separately; Product Type: Conductivity Meter; Automatic Temperature Compensation Included: Automatic; Conductivity Accuracy: ±2% F.S.(+1 digit).
EXTECH
EXTECH Conductivity Meter: Conductivity/Temp/Total Dissolved Solids, ±2% F.S.(+1 digit), 2,000 uS/cm (MPN EC210). Key specifications — Manufacturer Part Number: EC210; Brand: EXTECH; Configured Test Parameters: Conductivity; Test Parameters: Total Dissolved Solids; Reagents and Solutions Included: Reagents Sold Separately; Product Type: Conductivity Meter; Automatic Temperature Compensation Included: Automatic; Conductivity Accuracy: ±2% F.S.(+1 digit).
EXTECH Multiparameter Meters - Water quality meter (MPN EC700). Key specifications — Test Parameters: Salinity; Manufacturer Part Number: EC700; Configured Test Parameters: Total Dissolved Solids; Measurement Components Included: PH701 pH Probe; Other Accessories Included: User documentation; Reagents and Solutions Included: pH Calibration Solutions (4, 7, and 10 pH) Conductivity calibration solution.
EXTECH
EXTECH Multiparameter Meters - Water quality meter (MPN EC700). Key specifications — Test Parameters: Salinity; Manufacturer Part Number: EC700; Configured Test Parameters: Total Dissolved Solids; Measurement Components Included: PH701 pH Probe; Other Accessories Included: User documentation; Reagents and Solutions Included: pH Calibration Solutions (4, 7, and 10 pH) Conductivity calibration solution.
VEE GEE Refractometer: Salinity/Specific Gravity, +/-1 ppt, Auto, Analog, 0 ppt Salinity - Min (MPN STX-3). Key specifications — Brand: VEE GEE; Accuracy: +/-1 ppt; Automatic Temperature Compensation Included: Automatic; Resolution: +/-1.00 ppt; Test Parameters: Specific Gravity.
VEE GEE
VEE GEE Refractometer: Salinity/Specific Gravity, +/-1 ppt, Auto, Analog, 0 ppt Salinity - Min (MPN STX-3). Key specifications — Brand: VEE GEE; Accuracy: +/-1 ppt; Automatic Temperature Compensation Included: Automatic; Resolution: +/-1.00 ppt; Test Parameters: Specific Gravity.
LAXCO, INC Refractometer: Salinity, +/-2%/+/-0.002/0.0003nD Accuracy, Auto, Digital, 1 in Overall Dp (MPN RHD-P-202). Key specifications — attr1073899: LAXCO, INC; attr1079772: +/-2%/+/-0.002/0.0003nD; attr1136199: 1.4200 nD; attr1079778: Automatic; attr1136198: 1.3330; attr1079777: 0.0001nD; attr1108250: Salinity.
LAXCO
LAXCO, INC Refractometer: Salinity, +/-2%/+/-0.002/0.0003nD Accuracy, Auto, Digital, 1 in Overall Dp (MPN RHD-P-202). Key specifications — attr1073899: LAXCO, INC; attr1079772: +/-2%/+/-0.002/0.0003nD; attr1136199: 1.4200 nD; attr1079778: Automatic; attr1136198: 1.3330; attr1079777: 0.0001nD; attr1108250: Salinity.

More from EXTECH

View all EXTECH parts →
EXTECH Refractometer: Brix, +/-0.2% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp (MPN RF15). Key specifications — Brand: EXTECH; Accuracy: +/-0.2% Brix; Refractive Index - Min: 0 % Brix; Automatic Temperature Compensation Included: Automatic; Refractive Index - Max: 32 % Brix; Resolution: 0.2% Brix; Test Parameters: Brix.
EXTECH
EXTECH Refractometer: Brix, +/-0.2% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp (MPN RF15). Key specifications — Brand: EXTECH; Accuracy: +/-0.2% Brix; Refractive Index - Min: 0 % Brix; Automatic Temperature Compensation Included: Automatic; Refractive Index - Max: 32 % Brix; Resolution: 0.2% Brix; Test Parameters: Brix.
EXTECH Refractometer: Brix, +/-0.1% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp (MPN RF11). Key specifications — Brand: EXTECH; Accuracy: +/-0.1% Brix; Refractive Index - Min: 0 % Brix; Automatic Temperature Compensation Included: Automatic; Refractive Index - Max: 10 % Brix; Resolution: 0.1% Brix; Test Parameters: Brix.
EXTECH
EXTECH Refractometer: Brix, +/-0.1% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp (MPN RF11). Key specifications — Brand: EXTECH; Accuracy: +/-0.1% Brix; Refractive Index - Min: 0 % Brix; Automatic Temperature Compensation Included: Automatic; Refractive Index - Max: 10 % Brix; Resolution: 0.1% Brix; Test Parameters: Brix.
EXTECH Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto, Analog (MPN RF40). Key specifications — Brand: EXTECH; Accuracy: +/-5°F PG Freeze Point; Automatic Temperature Compensation Included: Automatic; Resolution: +/-0.2%; Test Parameters: Ethylene Glycol.
EXTECH
EXTECH Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto, Analog (MPN RF40). Key specifications — Brand: EXTECH; Accuracy: +/-5°F PG Freeze Point; Automatic Temperature Compensation Included: Automatic; Resolution: +/-0.2%; Test Parameters: Ethylene Glycol.
EXTECH Refractometer: Brix, +/-0.2% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp (MPN RF12). Key specifications — Brand: EXTECH; Accuracy: +/-0.2% Brix; Refractive Index - Min: 0 % Brix; Automatic Temperature Compensation Included: Automatic; Refractive Index - Max: 18 % Brix; Resolution: 0.2% Brix; Test Parameters: Brix.
EXTECH
EXTECH Refractometer: Brix, +/-0.2% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp (MPN RF12). Key specifications — Brand: EXTECH; Accuracy: +/-0.2% Brix; Refractive Index - Min: 0 % Brix; Automatic Temperature Compensation Included: Automatic; Refractive Index - Max: 18 % Brix; Resolution: 0.2% Brix; Test Parameters: Brix.