A Leading South African Test and Measurement Instruments Supplier

“For Good Measure”®

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Product List


Test and Measurement Instruments C.C.

          CK 1985/007464/23

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

TMI, Established—1982

English, Afrikaans, Portuguese Speaking.                         Master/Visa Credit Cards

Green Hybrid Powered Instruments

Green Power Meters

Part No:  PH-209G

Green Hybrid Generator Powered pH Meter.  RS232,

Professional pH/mV Meter, 0 to 14 pH x 0.01 pH,-1000 mV to 1000 mV, for use with ORP probes.


Lutron Green Hybrid Powered pHl Meter PH-209G
Lutron Green Hybrid Powered pHl Meter PH-209G

Part No:  SL-4113G

Green Hybrid Powered Sound Level Meter.  RS232, Time Weighting, A & C Weighting, Auto and Manual, Condenser microphone, Memory Functions


Lutron Green Hybrid Powered Sound Level Meter SL-4113G
Lutron Green Hybrid Powered Sound Level Meter SL-4113G

Part No:  DM-9981G

Green Hybrid Powered Multimeter. 4000 Count, ACV, ACA, DCV, DCA, Ohms, Continuity, Hz,%, Capacitance, Diode, Data Hold. Auto or Manual, 10A Fuse


Lutron Green Hybrid Powered Multimeter DM-9981G
Lutron Green Hybrid Powered Multimeter DM-9981G

Part No:  CM-9941

Smart Clamp Meter. Selects Auto on Volts- ACV/DCV

Ohms - Resistance, Diode, Continuity,Capacitance. Amps - ACA  ( 60 , 600A) with auto range


Lutron Green Hybrid Powered Smart Clamp Meter CM-9941
Lutron Green Hybrid Powered Smart Clamp Meter CM-9941Lutron Green Hybrid Powered Sound Level Meter SL-4113GLutron Green Hybrid Powered pHl Meter PH-209GLutron Green Hybrid Powered Multimeter DM-9981G

Part No:  LM-8100 

Combo 4 in 1 Meter. Anemometer, %RH, Temp, Light.

Small Light weight, Low friction Ball Bearing, High Accuracy, RS232 Computer Interface.


Lutron Green Hybrid Powered Combo 4 in 1 Meter LM-8100
Lutron Green Hybrid Powered Combo 4 in 1 Meter LM-8100Lutron Green Hybrid Powered Combo 4 in 1 Meter LM-8100Lutron Green Hybrid Powered Smart Clamp Meter CM-9941

Notes on Alternative Power.

The above instruments use alternative power and thus this thread for general information..

Alternative power generators produce electricity from renewable energy sources such as wind, flowing water, solar energy and biomass.

 They are used for residential power, portable power, lighting, and communications applications. Alternative power generators use green energy from renewable sources. They cause less environmental degradation and pollution than products that use fossil fuels such as coal, diesel, and gasoline. Alternative power generators are used with solar power panels, solar water pumps, and complete solar power systems. They are also used with wind turbines, micro hydro generators, and complete wind power systems. Biomass includes wood and wood waste, fast-growing trees and plants, and agricultural crops and wastes. Alternative power generators that use other sources of green energy are also available.

Wind power systems convert the kinetic energy from wind into mechanical energy. When used with a wind power generator, the rotation of the wind turbine’s blades turns a shaft to produce electricity. Specifications for wind power generators include blade material, rotor diameter, unit weight, start-up wind speed, voltage, wattage, and mounting style. Wind generator blades are often made of carbon-reinforced thermoplastic, injection-molded polycarbonate, or fiberglass. Rotor diameter is measured in inches (in) or meters (m). Weight is specified in pounds (lbs) or kilograms (kg). Product specifications for wind power generators include rated output, rated wind speed, rated rotation, cut-in speed, percent rated output, airfoil type, lateral type, and governor speed. Some wind-based alternative power generators are designed for rooftop mounting. Others require a tower and can be used in conjunction with photovoltaic modules (PV).

Hydropower systems convert water pressure into mechanical energy. When used with a water power generator, the movement of the turbine’s runners or propellers turns a shaft to produce electricity. There are three basic types of hydro turbines: impulse, reaction, and submersible propeller. All produce clean energy or green energy - power from renewable resources. Specifications for water power generators include volts, watts, phase, per minute (RPM), length, height, and weight. Micro hydro generators are alternative power generators that produce electricity from fast-running streams without turbines, dams, or pipes. They are designed or residential use and can withstand cold-weather environments.

Solar power generators are alternative power generators that convert light from the sun into electricity. There are many different types of photovoltaic (PV) and solar power supplies. Examples include solar batteries, solar battery chargers, and solar panels. A solar battery is a sealed, maintenance-free device. A solar battery charger can be used to power devices such as radio receivers, lighting, and radio modems. A solar panel is a device that converts energy from the sun into usable forms, either by absorbing the sun’s heat directly, or by converting its light into electricity. A photovoltaic system or PV system may include a battery backup or uninterruptible power supply (UPS) that can operate selected circuits for hours or even days. PV and solar power supplies include products such as solar arrays and are used with alternative power generators.

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Green Hybrid Generator Powered Instruments

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Part No:  DM-9983G

Smart Multimeter. 6000 count. Hand operated generator power. Auto Polarity switching. Auto AC/ DC Volt selection. Capacitance and Frequency also.


Lutron Green Hybrid Powered DM-9983G Smart Multimeter
Lutron Green Hybrid Powered DM-9983G Smart MultimeterDM-9983G Smart MultimeterFaceBook TMITwitter TMI
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Brand Names



Air Quality Meters

Alcohol Breath Tester

Alignment Equipment

AM & FM Signal Generators


Appliance Testers

Audio Generators

Audio Impedance Meter


Automotive testers



Batteries for Equipment

Battery Analyser /

Battery Desulphator Charger

Bench DMM’s


Bread Boards

Breath  Alcohol Tester

Cable Fault Locators

Cable Height Meter

Cable Testers


Capacitance meters

Carbon Dioxide meters

Carbon Monoxide meters

Car Testers

Caster / Camber Gauges

Chlorine Meter

Clamp meters

Clearance Sale:

Colour Analysers

Combination Combo Meters

Concrete Testing

Conductivity  / TDS meters

Contact Tachometers

Continuity Tester

Controller / Monitors

Corner Weight Scales

Coronavirus COVID-19

Current Meters, Bench Type

Data Acquisition Systems

Data Loggers

Decade Boxes

Dew Point Meters

Digital Vernier Calipers

Digital Scales

Digital Multimeters , DMMs

Dissolved Oxygen Meters

Distance Meters

Drain Pipe Camera

Drug Testing

Dust Monitoring

Earth resistance meter

Earth Leakage Tester, ELCB

Educational Systems

Electrical Connectors

Electromagnetic Field Testers

Electrostatic Field Tester

EMF tester

Explosives Testing

Eye Tracker

Field Strength Meters

Force gauge

Frequency Counter

Function Generators

GSM Controller

Gas leak detector

Green Hybrid Power

Grid Dip Meter

Hardness tester

Helicopter IR Gimbals

HV(High Voltage) Testing

Humidity meter


Inductance Decade Box

Infrared Thermometers

Infrared Thermography


Insulation tester

Laser Levelling

LCR meter

Leakage Clamp Meters

Logic Analyser

Logic Probes/Pulsers

Lux meter, (Light meter)


Metal Detector


Micro-Ohm Meters

Microwave Leakage

Milliohm meter


Moisture meter


Night Vision Equipment

Optical Gas Imaging OGI Thermal Cameras

ORP meter


Oxygen Meters

Pattern generators

Panel meter

PC-Based Instruments

Pen type tester

pH Meters and Probes

Pipe Inspection Camera

Photo Tachometer

Power analyzer

Power clamp meter

Power Supplies

Pressure/Vacuum meter

3 Phase Rotation Tester

Pressure Transducer

Probes, Oscilloscope

Protection Relay Testing

Proximity sensor

Racing Equipment

RCCB tester

RCD, RCCB Testers

Radiation Testers


Renewable Energy

RF Generators

Resistance Decade Box

Roughness tester


Salt meter

Satellite Testing Equipment


Scales, Digital

Shore Hardness Tester


Soil Moisture Meters

Soil pH meter

Solar Power Meter


Sound level meter

Spectrum Analyser


Student Bench Meters

Stun Guns

SWR / RF Power Meters


TDS / Conductivity Meters

Test Leads

Thermal Cameras– Long Distance –20Kms

Thermal Imagers



Thermography Courses

Thickness Testers

Tone Generator/ Tracer

Tools - Hydraulic Crimp

Torque meter

Torque wrench

Transformer Testing

Transient Suppressors


TV & Satellite Meters

Turbidity Meter

Ultrasonic Flaw Detector

Ultrasonic Thickness

UV Corona & IR Cameras, Combined

UV light meter

Vacuum meter

Variable Transformers

Verniers, Micrometers

Vibration meter

Video Scope

Watt meter

Water Tester

Water Testing Meters

Weather Station

Vacuum/Pressure meter

Voltmeters, Bench Type

Voltage Detectors

Voltage Regulators

5 Way® Binding Posts

Voltage Stabilisers

XRF Analysers

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

T + M®                      




Time Group




Superior Electric


S.E.W. Standard Electric Works

Ph:   +27 (011) 683 4365 / 6 / 7

E-mail: sales@instrumentsgroup.co.za






Physical   Address:              

3 Angelica Ave,

Glenvista, Johannesburg, 2091



Postal Address:

As Above.

011 683 4365
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