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A Leading South African Test and Measurement Instruments Supplier |
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“For Good Measure”® |
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Please contact us by phone, email or visit us at the details given above. We look forward to hearing from you. |
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Product List |
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T.M.I. |
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Test and Measurement Instruments C.C. |
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CK 1985/007464/23 |
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“Tomorrow’s Instruments Today” — “For Good Measure” ® |
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TMI, Established—1982 |
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English, Afrikaans, Portuguese Speaking. Master/Visa Credit Cards |
TM-TDS3 TDS Meter |
TM-TDS3 TDS Meter |
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Specifications. · TDS Range: 0 - 9990 ppm (mg/L)
· Temp. Range: 0 - 80 degrees Celsius
· Resolution: 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon)
· Temperature Resolution: 0.1 degree Celsius (Celsius only)
· Accuracy: +/- 2%
· EC-to-TDS Conversion Factor: NaCl (avg. 0.5)
· ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit)
· Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
· Battery life: 1000 hours of usage
· Dimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)
· Weight with case: 76.5g (2.7 oz)
· Weight without case: 56.7g (2 oz) |
Great for all Water Purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Always carry one in your pocket or toolbox . |
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We would be very pleased to see you at our offices and show room at the address given above. Please use the maps supplied on our Contact Us page, or call us for directions, should you not be using our GPS Co-Ordinates supplied. It will be our pleasure to assist with your unique requirements. We trust that your visit will be an enjoyable one. T+M® For Good Measure. |
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Please Note: This is not our complete range, so please contact us for further information on any product that you require, which is not seen on our site. You can call us on +27 (011) 683 4365 or email us by clicking here. |
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Ideal for water Purification |
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Ideal for Hydroponics |
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Ideal for Aquaculture |
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Copyright © 2009—2025 Test and Measurement Instruments C.C. | All rights reserved TM-TDS3 TDS Meter |
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T + M ® |



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Excess Stock to be cleared while stocks last. > Click for More... |
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T + M ® |
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Features:
· Ideal for commercial use. Includes a carrying case with belt clip. · Highly efficient and accurate due to its advanced microprocessor technology. · Hold Function: saves measurements for convenient reading and recording. · Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. · Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. · Built-in digital thermometer · Display: large and easy-to-read LCD screen. · Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. · Also available in "x10" mode: reads in increments only of 10 ppm (0-9990 ppm). · Click here for a photo of the meter with its case. · Need help deciding which meter is right for you? View our TDS/EC Meter Selection Guide. |
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Test our Service and Measure with our Instruments. |
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Brand Names |
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All brands, trade names, trade marks, and logos are the property of their respective owners. |
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Ph: +27 (011) 683 4365 / 6 E-mail: sales@instrumentsgroup.co.za
Physical Address: 3 Angelica Ave, Glenvista, Johannesburg, 2091 SOUTH AFRICA
Postal Address: As Above. |
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