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OHAUS TDS OHAUS ST20T-A Pocket Total Dissolved Solids Meter, 0-100 mg/L, ±1.5% FS Accuracy - Pocket Total Dissolved Solids Meters
OHAUS TDSPocket Total Dissolved Solids Meters

OHAUS TDS OHAUS ST20T-A Pocket Total Dissolved Solids Meter, 0-100 mg/L, ±1.5% FS Accuracy

The OHAUS ST20T-A is a pocket total dissolved solids meter with a measurement range of 0 mg/L – 100 mg/L. It features digital, auto operation with a temperature range of 50°F – 104°F, temperature resolution of 1°C…

SKU 3G-OTH-384697

Also listed as: ST20TA · ST20T A

Brand
OHAUS TDS
Item
OHAUS ST20T-A Pocket Total Dissolved Solids Meter, 0-100 mg/L, ±1.5% FS Accuracy
Category
Pocket Total Dissolved Solids Meters
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OHAUS TDS
Manufacturer Part Number
ST20T-A
Type
50°F – 104°F, Digital, Auto, ±0.5 ºC
TDS Accuracy
±1.5% FS
Temp Resolution
1°C

Technical Documents

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

Product Description

The OHAUS ST20T-A is a pocket total dissolved solids meter with a measurement range of 0 mg/L – 100 mg/L. It features digital, auto operation with a temperature range of 50°F – 104°F, temperature resolution of 1°C, and accuracy of ±0.5 ºC. TDS accuracy is ±1.5% FS.

Frequently Asked Questions

What is the OHAUS TDS Meter ST20T-A used for?

The OHAUS TDS Meter ST20T-A measures total dissolved solids in water, typically for water quality testing in hydroponics, aquariums, drinking water, and industrial process monitoring. It provides digital readings from 0 mg/L to 100 mg/L with automatic temperature compensation.

What are the specifications of the OHAUS TDS Meter ST20T-A?

The OHAUS TDS Meter ST20T-A has a TDS range of 0 mg/L to 100 mg/L, accuracy of ±1.5% FS, and temperature range of 50°F to 104°F with ±0.5°C accuracy and 1°C resolution. It is a digital, auto-ranging pocket meter with MPN ST20T-A.

Where to buy the OHAUS TDS Meter ST20T-A worldwide?

You can source the OHAUS TDS Meter ST20T-A through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to maintain the OHAUS TDS Meter ST20T-A?

Rinse the probe with distilled water after each use and store it dry. Calibrate periodically using a standard solution. Avoid dropping the meter or exposing it to extreme temperatures. Replace the battery when the display dims. Refer to the OHAUS manual for detailed care.

Used in

Common applications for OHAUS TDS
Water quality testing — OHAUS ST10T-A for low-range TDS measurement in drinking water
Hydroponics — OHAUS ST20T-B for monitoring nutrient solution concentration in recirculating systems
Aquaculture — OHAUS ST10T-B for checking TDS levels in fish tank water
Industrial process monitoring — OHAUS ST20T-A for verifying rinse water purity in manufacturing
Field sampling — OHAUS ST20T-B for portable TDS measurement in environmental surveys

OHAUS TDS Products

3G Electric supplies OHAUS TDS pocket total dissolved solids meters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This pocket meter measures total dissolved solids in water over a range of 0 ppt to 10 ppt with an accuracy of 2%. It operates from 0°C to 50°C and provides digital readings with a temperature resolution of 0.1°C. Suitable for field or bench use in water quality testing
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This pocket meter measures total dissolved solids in water over a range of 0 ppt to 10 ppt with an accuracy of 2%. It operates from 0°C to 50°C and provides digital readings with a temperature resolution of 0.1°C. Suitable for field or bench use in water quality testing
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The OHAUS ST20S pocket salinity meter measures salt concentration in liquids over a range of 0 ppt to 80 ppt with ±1.5% FS accuracy. It features automatic temperature compensation from 10°C to 40°C with ±0.5°C accuracy. Suitable for field or lab use in water quality testing and environmental monitoring
HACH TDS Meter: 0 ppm – 1,999 ppm, 0°C – 50°C, Digital, No Wired Interface, 0.1°C Temp Resolution (MPN 9531200)
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HACH TDS Meter: 0 ppm – 1,999 ppm, 0°C – 50°C, Digital, No Wired Interface, 0.1°C Temp Resolution (MPN 9531200)
Pocket-sized salinity meter for measuring salt concentration in solutions. Features ±2.5% FS accuracy over 0–10 ppt range, manual calibration, and operating temperature range of 10°C to 40°C. Suitable for field or laboratory use in water quality testing
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Pocket-sized salinity meter for measuring salt concentration in solutions. Features ±2.5% FS accuracy over 0–10 ppt range, manual calibration, and operating temperature range of 10°C to 40°C. Suitable for field or laboratory use in water quality testing
OHAUS Conductivity Meter: Conductivity/Total Dissolved Solids, ±0.5% FS, 199.9 mS/cm, 0 mS/cm (MPN ST300C-G)
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OHAUS Conductivity Meter: Conductivity/Total Dissolved Solids, ±0.5% FS, 199.9 mS/cm, 0 mS/cm (MPN ST300C-G)
OHAUS Conductivity Meter: Conductivity/Total Dissolved Solids, ±0.5% FS, 199.9 mS/cm, 0 mS/cm (MPN ST300C-B)
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OHAUS Conductivity Meter: Conductivity/Total Dissolved Solids, ±0.5% FS, 199.9 mS/cm, 0 mS/cm (MPN ST300C-B)

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Measures total dissolved solids in water with a range of 0 mg/L to 100 mg/L and accuracy of ±2.5% FS. Suitable for water quality testing in hydroponics, aquariums, drinking water, and industrial process monitoring. Operating temperature range: 50°F to 104°F
OHAUS TDS
Measures total dissolved solids in water with a range of 0 mg/L to 100 mg/L and accuracy of ±2.5% FS. Suitable for water quality testing in hydroponics, aquariums, drinking water, and industrial process monitoring. Operating temperature range: 50°F to 104°F
The OHAUS ST10T-B is a pocket-sized digital meter for measuring total dissolved solids in water. It offers a measurement range of 0 to 1,000 mg/L with an accuracy of ±2.5% full scale. Suitable for field or lab use, it operates in temperatures from 50°F to 104°F. Common applications include water quality testing, hydroponics, and industrial process monitoring
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The OHAUS ST10T-B is a pocket-sized digital meter for measuring total dissolved solids in water. It offers a measurement range of 0 to 1,000 mg/L with an accuracy of ±2.5% full scale. Suitable for field or lab use, it operates in temperatures from 50°F to 104°F. Common applications include water quality testing, hydroponics, and industrial process monitoring
Digital auto-ranging pocket meter for measuring total dissolved solids in liquids. TDS range 0-1000 mg/L with accuracy ±1.5% FS. Temperature range 50°F-104°F, resolution 1°C, accuracy ±0.5°C. Suitable for water quality testing in hydroponics, aquariums, drinking water, and industrial process monitoring
OHAUS TDS
Digital auto-ranging pocket meter for measuring total dissolved solids in liquids. TDS range 0-1000 mg/L with accuracy ±1.5% FS. Temperature range 50°F-104°F, resolution 1°C, accuracy ±0.5°C. Suitable for water quality testing in hydroponics, aquariums, drinking water, and industrial process monitoring