Water Meters | Test and Measurement Instruments C.C.

“Tomorrow’s Instruments Today” — “For Good Measure” ^®

A Leading South African Test and Measurement Instruments Supplier

“For Good Measure”^®

TMI, Established—1982

Test and Measurement Instruments C.C.

Test our Service and

Measure with our

Instruments.

CK 85/07464/23

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Please contact us by phone, fax, email or visit us at the details given above. We look forward to hearing from you.

Accessories

Adaptors

Alcohol Breath Tester

Alignment Equipment

AM & FM Signal Generators

Anemometers

Audio Generators

Audio Impedance Meter

Breath Alcohol Tester

Carbon Dioxide meters

Carbon Monoxide meters

Combination Combo Meters

Conductivity / TDS meters

Contact Tachometers

Continuity Tester

Controller / Monitors

Corner Weight Scales

Current Meters, Bench Type

Data Loggers

Decade Boxes

Dew Point Meters

Digital Vernier Calipers

Digital Scales

Digital Multimeters , DMMs

Dissolved Oxygen Meters

Distance Meters

Earth resistance meter

Educational Systems

EMF tester

Field Strength Meters

HV(High Voltage) Testing

Humidity meter

Inductance Decade Box

Infrared Thermometers

Infrared Thermography

Lux meter, (Light meter)

Night Vision Equipment

Pressure/Vacuum meter

3 Phase Rotation Tester

Pressure Transducer

Probes, Oscilloscope

Protection Relay Testing

Resistance Decade Box

Roughness tester

Rheostats

Salt meter

Satellite Testing Equipment

Security

Scales, Digital

Shore Hardness Tester

SWR / RF Power Meters

Tachometer

TDS / Conductivity Meters

TV & Satellite Meters

Turbidity Meter

Ultrasonic Flaw Detector

Ultrasonic Thickness

UV light meter

Vacuum meter

Variable Transformers

Verniers, Micrometers

Vacuum/Pressure meter

Voltmeters, Bench Type

Voltage Detectors

Product List

All brands, trade names, trade marks, and logos are the property of their respective owners.

Brand Names

T + M®

English, Afrikaans and Portuguese Speaking

No Credit Card Payments yet.

Ph: +27 (011) 683 4365

Fax: +27 (011) 683 4461

E-mail: t.m.i@iafrica.com

www.instrumentsgroup.co.za

Physical Address:

1st Floor, TMI House,

37 Garden St,

Cnr 160 Bellavista Rd,

Turfclub, Johannesburg, 2135

SOUTH AFRICA

Postal Address:

P.O. Box 1416,

Southdale,

Johannesburg, 2135,

SOUTH AFRICA

Email us

T.M.I.

This Month’s Special

Click i3 for Specification.

New Release— See also:

E-Series Imagers

Clearance Sale:

Excess Stock to be cleared while stocks last. > Click for More...

Accute PC-Based Instruments from Test andMeasurement Instruments C.C.

T + M^®

S.E.W. Standard Electric Works

Call us on:+27 (011) 683 4365

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Thermography—Thermal Imager— Infrared Camera.

FLIR i3 — Smallest , Lightest, most affordable camera “point-shoot-detect”. Introductory Nett Price of

R 11 990.00 + VAT while stocks last.

Water meters

Water Meters

Part No: YK-30WA

Pure Water Tester, 0 to 1999 uS, with Data-Hold, & Large Display.

Lutron

Call for Pricing

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Part No: PWA-301

Pure Water Meter : 0 - 1999uS, built-in Probe, Hold, Record (Min/Max). Ideal for Food Processing, school, Photography, Laboratory and Industry Quality Control.

Lutron

Call for Pricing

Notes on Water Quality Testing.

Water quality testing instruments are used to test water for chemical and biological agents, and to measure variables such as clarity and rate of movement. There are many different types of products. Interface level analyzers are designed to detect the level of an oil and water interface. By contrast, oil in water monitors are designed to measure the amount of oil in water. Potential of hydrogen (pH) instruments measure pH levels. Voltammetry water quality testing instruments vary electric potential while measuring the resultant current, which can be used to determine the chemistry of the conducting medium. Devices use either anodic stripping voltammetry or cathodic stripping voltammetry. Water quality testing instruments that measure conductivity, dissolved solids, suspended solids, turbidity, dissolved oxygen, dissolved carbon dioxide, biological oxygen demand (BOD), chlorophyll, and algal pigments are also available.

Water quality testing instruments differ in terms of form factor or mounting style, user interface, and output options. Some devices are hand held, portable, or modular. Others are designed for laboratory, benchtop, in-situ, or field use. Panel-mounted water quality testing instruments are also commonly available. Like other types of products, they may include an analog meter, digital display, or video display; as well as manual controls, a digital panel, or computer interface. Output options for water quality testing instruments include analog voltages, analog currents, analog frequencies, and switches or alarm relays. An analog current or transmitter is recommended for applications that send signals over long distances. There are two main interface options for water quality testing instruments: serial and parallel. Serial devices use a standard serial communications protocol such as RS232, RS422, RS485 or universal serial bus (USB). Parallel devices use a standard parallel communications protocol such as general-purpose interface bus (GPIB).

Features and functionality are additional considerations when selecting water quality testing instruments. Some devices are temperature-compensated or provided some controller functionality. Others are battery-powered or include self-test features. Event-triggered water quality testing instruments can capture or log data only when a specific event occurs. Water quality testing instruments that are designed for extreme environments can withstand relatively high levels of temperature or humidity, and/or prevent the ingress of dust. Devices with special signal processing or filtering are also available.

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Water Meters