Visma Instruments & Technologies Private Limited

Moulivakkam, Chennai, Tamil Nadu

GST No. 33AAECV4260A1ZU

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Home » Products & Services » LUX ,Sound & RPM


LUX ,Sound & RPM

Our range of services include testo 470 digital tachometer, testo 540 pocket-sized lux meter, light intensity measuring instrument with data storage t 545, testo 815 sound level meter, pocket-sized rpm meter testo 460 and testo 476 hand-held stroboscope (xenon).

Testo 470 Digital Tachometer

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Testo 470 Digital Tachometer
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Approx. Rs 31,850 / PieceGet Latest Price

Service Details:
Minimum Order Quantity1 Piece
Type Of TachometerDigital Tachometer
Model Name/Numbertesto 470 - Digital tachometer
Usage/ApplicationIndustrial
MaterialPlastic
Resolution0.01 rpm (1 to 99.99 rpm) 0.1 rpm (100 to 999.9 rpm) 1 rpm (1000 to 99999 rpm)
BrandTesto
Model470
ApplicationLaboratory, Industrial
Accuracy+-0.02 % of mv

Product description

Do you need to measure the rpm of rotating objects or record the length and speed of conveyor belts and rotors? The testo 470 RPM measuring instrument is a compact tool that makes it possible to carry out these measurements.

Multiple functions in one digital tachometer

In the case of optical rpm measurement, you can use the testo 470 RPM measuring instrument to record how fast a rotating object rotates. Thus, for example, you can check whether motors, shafts and fans are functioning correctly in order to spot any impending defects due to overload at an early stage.

For rpm measurement, simply stick a reflective marker on the measurement object and aim the visible red beam at the reflective marker. The measurement can then start (at a distance of up to 600 mm between digital tachometer and measurement object). The digital tachometer is easy to operate using one hand.

However, the testo 470 RPM measuring instrument not only provides the functions of an optical tachometer, it also functions as a mechanical tachometer: Attach the adapter for the probe tip and measure the rpm mechanically. Attach the wheel to also measure speeds and lengths of rotors/conveyor belts.

rpm - Optical
Technical data

Measuring range

1 to 99999 rpm

Accuracy

±0.02 % of mv

Resolution

0.01 rpm (1 to 99.99 rpm)
0.1 rpm (100 to 999.9 rpm)
1 rpm (1000 to 99999 rpm)

rpm - Mechanical
Technical data

Measuring range

0.1 to 19999 rpm

Accuracy

±0.02 % of mv

General technical data
Technical data

Warranty

2 years

Battery type

2 AA mignon batteries

Battery life

40 h

Display type

LCD

Display size

one-line

Display function

5 digit LCD display

 



Additional Information:

  • Delivery Time: 1-2 Weeks
  • Packaging Details: testo 470 digital tachometer with softcase, reflective markers, adapter, probe tip, wheels 0.1 m and 6", batteries, transport case and calibration protocol.
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Testo 540 Pocket-Sized Lux Meter

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Testo 540 Pocket-Sized Lux Meter
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Approx. Rs 8,500 / PieceGet Latest Price

Service Details:
Minimum Order Quantity1 Piece
Model Name/Numbertesto 540 - Pocket-sized lux meter
Measuring Range0 to 99999 Lux 0 to 9300 ftc
Brandtesto
Resolution1 Lux (0 to 19999 Lux) 10 Lux (Remaining Range)
Accuracy+-3 Lux or +-3 % (compared to reference instrument at 90 Degree light irradiation)
Warranty2 Years
Low Battery IndicationYes

Product description

The testo 540 lux meter can be used to measure both artificial and natural light and provides you with a quick and easy means of measuring lighting conditions in the workplace.
The testo 540 lux meter: compact, easy-to-use, precise
The testo 540 lux meter is a pocket-sized entry level model designed specifically for carrying out spot checks in the workplace, shops and offices. The light sensor is modelled on the spectral sensitivity of the human eye and is ideal for measuring lighting conditions in a variety of different workplaces.

The compact, easy-to-use lux meter has a number of useful functions and features including a large, easy-to-read display, min/max values which can be shown at the touch of a button, a hold function that allows you to freeze the last reading and a protective cap for safe storage.

Smoke number - Photodiode

 

Technical data

Measuring range

0 to 99999 Lux

Accuracy

±3 Lux or ±3 % (compared to reference Class B, DIN 5032 Part 7)

Resolution

1 Lux (0 to 19999 Lux)
10 Lux (Remaining Range)

Measuring rate

0.5 s



Additional Information:

  • Delivery Time: 2-3 Weeks
  • Packaging Details: testo 540 lux meter, protective cap, calibration certificate, batteries.
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Light Intensity Measuring Instrument with Data Storage T 545

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Light Intensity Measuring Instrument with Data Storage T 545
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Approx. Rs 36,988 / PieceGet Latest Price

Service Details:
Minimum Order Quantity1 Piece
Model Name/NumberLux Meter with Measurement Site Management / Testo 545
Measuring Range0-100000 Lux
BrandTesto
DisplayTesto 545
Warranty2 Years
Low Battery IndicationYes

Product description

The testo 545 light meter for natural and artificial light comes with a permanently attached light sensor that allows you to measure the light intensity in the workplace, offices, schools and hospitals both quickly and reliably. The optional software can be used to compile a light profile from the light intensity readings.
Quick glance at the benefits of testo 545 light meter
The testo 545 light intensity meter can be used to carry out selective as well as long-term light intensity measurements. It has a built-in data logger which can save up to 3,000 readings and can be used to perform both selective and time-based averaging. The optional testo turbo printer also allows you to print out measuring data while you are on site.

The optional PC software allows you to set up up to 99 measuring sites, allocate the readings to the relevant measuring sites and connect individually saved readings to form a curve. The light profile obtained from such data provides you with a picture of the uniformity of the lighting.

Smoke number - Photodiode

 

Technical data

Measuring range

0 to +100000 Lux

Accuracy

Accuracy to DIN 13032-1:
F1 = 6 % V (Lambda) adaptation
F2 = 5 % cos like rating

Resolution

1 Lux (0 to +32000 Lux)
10 Lux (0 to +100000 Lux)



Additional Information:

  • Delivery Time: 2-3 Weeks
  • Packaging Details: 1 - Light Meter with Attached Light Sensor (545) 1 - Calibration Protocol 1 - 9V Block Battery
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Testo 815 Sound Level Meter

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Testo 815 Sound Level Meter
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Approx. Rs 29,850 / PieceGet Latest Price

Service Details:
Minimum Order Quantity1 Piece
Model Name/Numbertesto 815 - Sound level meter
BrandTesto
Accuracy+-1.0 dB
Measuring Range+32 to +130 dB
Resolution0.1 dB
Battery9V block battery, 6F22
Weight195g

Product description

The testo 815 sound level meter can be used for control measurements in the air conditioning and heating area, on combustion systems or at workplaces. It can also enable quick and precise assessment of machinery and discotheque noise.

Applications of the testo 815 sound level meter
  • Heating technology: measurement of the volume of burners
  • Industry and trade: measurement of machinery noise
  • Event technology or public authorities: noise levels at events
  • Building services: simple measurements by the caretaker when there are complaints
Sound Pressure
Technical data

Measuring range

+32 to +130 dB

Frequence range

31.5 Hz to 8 kHz

Accuracy

±1.0 dB

Resolution

0.1 dB

Measuring rate

5 s

General technical data
Technical data

Housing

ABS

Frequency weighting

A/C

Section measuring range

30 - 80 dB; 50 - 100 dB; 80 - 130 dB

Time weighting

FAST 125 ms setting / SLOW 1 s setting

Pressure dependency

-0.002 dB/hPa

Warranty

2 years

Battery type

9V block battery, 6F22

Battery life

70 h



Additional Information:

  • Delivery Time: 1-2 Weeks
  • Packaging Details: testo 815 sound level meter, including screwdriver for calibration, wind protection and battery.
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Pocket-Sized RPM Meter Testo 460

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Pocket-Sized RPM Meter Testo 460
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Approx. Rs 15,800 / PieceGet Latest Price

Service Details:
Type Of TachometerDigital Tachometer
Model Name/Numbertesto 460 - Pocket-sized RPM meter
BrandTesto
Usage/ApplicationSpeed Measurement
Resolution0.1 rpm (100 to 999.9 rpm) 1 rpm (1000 to 29999 rpm)
Accuracy+-(0.02 % of mv)
Low Battery IndicationYes

Product description

The lightweight, pocket-sized testo 460 RPM meter provides you with quick and reliable readings when carrying out checks on fans, crankshafts and motors. And because the checks can be performed while the machines are still running, there’s no need to stop production or shut down machinery.

Carrying out measurements with testo 460 RPM meter

Remove the lightweight meter from the practical belt bag and place the hand strap gently around your wrist to prevent your RPM meter from accidentally falling onto the floor. The compact RPM meter is now ready for use.

Attach the self-adhesive reflective markers,which can be reordered at any time, to the measuring object. The RPM meter transmits an LED measuring spot which marks the center of the measuring area. The measuring spot is now aligned to the reflective marker.

That’s all there is to it! You can now use your testo 460 RPM meter to carry out quick and accurate measurements on the measuring object from any distance between 10 and 40 cm.

The testo 460 also has a hold function that freezes the last reading on the display for added convenience and a backlit display that makes it ideal for use in all lighting conditions. Min/max values can be accessed at the touch of a key.

Replace the protective cap and return the RPM meter to the belt bag where it can be stored safely until you next need it.

rpm - Optical
Technical data

Measuring range

100 to 29999 rpm

Accuracy

±(0.02 % of mv)

Resolution

0.1 rpm (100 to 999.9 rpm)
1 rpm (1000 to 29999 rpm)

 

General technical data
Technical data

Protection class

IP40

Seceltable units

rpm, rps

Measuring rate

0.5 s

Warranty

2 years

Battery type

2 AAA micro batteries

Battery life

20 h (average, without display illumination)

Dimensions

119 x 46 x 25 mm (incl. protective cap)

Operating temperature

0 to +50 °C

Storage temperature

-40 to +70 °C

Weight

85 g (incl. battery and protective cap)

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Testo 476 Hand-Held Stroboscope (Xenon)

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Testo 476 Hand-Held Stroboscope (Xenon)
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Approx. Rs 83,890 / PieceGet Latest Price

Service Details:
Minimum Order Quantity1 Piece
Model Name/Numbertesto 476 - Hand-held stroboscope (Xenon)
Usage/ApplicationLaboratory
Type Of TachometerXenon
BrandTesto
DisplayLCD
Display Function5 digit LCD display
Display Sizeone-line
Measuring Range30 to 12500 rpm
Warranty2 Years

Product description

The testo 476 hand-held Xenon stroboscope with high-intensity light allows fast-moving objects to appear in slow motion. In doing so, the hand-held stroboscope measures and checks rotational and vibratory movements. It enables measurement of very small objects or in inaccessible places – what is more, without any interruption to the production process. The testo 476 is therefore ideally suited for rpm measurement and for the inspection of parts moving at high frequencies.

Where the testo 476 hand-held stroboscope is used
  • Air conditioning/ventilation technology: monitoring/checking that HVAC systems are working properly
  • Textile industry: monitoring of thread guides on knitting machines (extremely fast flash frequency needed)
  • Automotive industry: detecting vibration hotspots in exhaust systems
  • Packaging machines: monitoring bottle sealing and labelling
  • Metal foil production: monitoring product quality
  • Vibratory conveying technology: checking for defects during operation
  • Printing industry/flexo printing/label printing: monitoring print quality
  • rpm - Xenon
    Technical data

    Measuring range

    30 to 12500 rpm

    Accuracy

    ±0.01 % of mv

    Resolution

    1 rpm

    General technical data
    Technical data

    Housing

    ABS

    Illumination value

    800 Lux at distance of approx. 20 cm

    Flash energy

    max. 170 mJ

    Flash duration

    < 9 μs

    Flash colour

    6000 to 6500 K

    Life-time flash lamp

    200,000,000 flashes

    Warranty

    2 years

    Dimensions

    240 x 65 x 50 mm

    Display type

    LCD

    Display size

    one-line

    Display function

    5 digit LCD display

    Operating temperature

    0 to +40 °C

    Storage battery type

    NiMH rechargable battery pack

    Battery charging time

    max. 3.5 h

    Battery deep discharge protection

    yes

    Overload discharge protection

    yes

    Battery conservation charging

    yes

    Weight

    415 g



Additional Information:

  • Delivery Time: 1-2 Weeks
  • Packaging Details: testo 476 hand-held stroboscope (Xenon) for rpm measurement, including transport case, charger with 4 country-specific adapters and trigger signal connector.
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Testo 477 LED Stroboscope

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Testo 477 LED Stroboscope
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Approx. Rs 89,990 / PieceGet Latest Price

Service Details:
Minimum Order Quantity1 Piece
Model Name/Numbertesto 477 - LED stroboscope
Usage/ApplicationLaboratory
Type Of TachometerLED
BrandTesto
Accuracy0.02 % of mv
DisplayLCD
MakeTesto
Resolution+-0.1 (30 to 999 fpm) +-1 (1000 to 300000 fpm)
Voltage50 mA
Warranty2 Years

Product description

The testo 477 LED stroboscope makes stunningly fast movements look as if they are taking place in slow motion. This allows you to check and inspect machines and systems while they are still running, and measure speeds of up to 300,000 rpm.

It is impossible to tell with the naked eye if the thread guide of a knitting machine is working properly. It is therefore equally impossible to tell if there are any irregularities in vibration or rotational processes of machines or systems. But it’s a different story with the testo 477 LED stroboscope. That’s because the stroboscope emits a series of flashes which makes what you see appear as a “frozen image”.

The testo 477 LED stroboscope can also measure the rotational speed of very small and hard-to-reach objects. And because there’s no need for reflex marks, there’s no need to stop the machines and no disruption to production processes either.

LED stroboscope – technical features

An extremely high measurement range of up to 300,000 flashes per minute (fpm) and a very high illumination of up to 1500 Lux allow you to carry out rotational speed measurements of up to 300,000 rpm. A trigger input and output ensure connectivity to external systems and control via an external sensor.

The LED stroboscope’s integrated impact protection and sturdy IP65 rated housing(which also allows it to be wiped down) ensure that the testo 477 can stand up to the rough and tumble of everyday use. And thanks to a longer battery operating time, you can carry out uninterrupted measurements for up to 5 hours.

rpm - LED
Technical data

Measuring range

30 to 300000 fpm

Accuracy

0.02 % of mv

Resolution

±0.1 (30 to 999 fpm)
±1 (1000 to 300000 fpm)

 

General technical data
Technical data

Protection class

IP65

Flash intensity

1500 Lux at 6000 FPM / 20 cm

Flash colour

Approx. 6500 K

Display type

LCD

Display size

multiline

Reverse battery protection

true

Low level

< 1 V

Maximum current

50 mA



Additional Information:

  • Delivery Time: 1-2 Weeks
  • Packaging Details: testo 477 LED stroboscope, carry case, trigger signal plug, calibration protocol, batteries.
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Testo 465 Tachometer

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Testo 465 Tachometer
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Approx. Rs 22,810 / PieceGet Latest Price

Service Details:
Minimum Order Quantity1 Piece
Model Name/Numbertesto 465 - Tachometer
BrandTesto
Usage/ApplicationSpeed Measurement
MaterialABS
Resolution0.01 rpm (1 to 99.99 rpm) 0.1 rpm (100 to 999.9 rpm) 1 rpm (1000 to 99999 rpm)
Accuracy+-0.02 % of mv
Low Battery IndicationYes

Product description


With the testo 465 tachometer, you can perform non-contact rpm measurement using just one hand. This makes the tachometer suitable, for example, for measurements on rotating parts such as fans and shafts. To measure the rpm, simply stick a reflective marker on the measurement object, aim the visible red beam at the marker and measure the rpm. The distance between the tachometer and the measurement object can be up to 600 mm.

A particularly practical feature is the option to save min./max. and mean values, as well as the last measured value. The SoftCase included in the scope of delivery is useful for protecting the tachometer. The scope of delivery also includes reflective markers and a transport case.

rpm - Optical
Technical data

Measuring range

1 to 99999 rpm

Accuracy

±0.02 % of mv

Resolution

0.01 rpm (1 to 99.99 rpm)
0.1 rpm (100 to 999.9 rpm)
1 rpm (1000 to 99999 rpm)

General technical data
Technical data

Warranty

2 years

Battery type

2 AA mignon batteries

Battery life

40 h

Display type

LCD

Display size

one-line



Additional Information:

  • Delivery Time: 1-2 Weeks
  • Packaging Details: testo 465 tachometer incl. plastic transport case, SoftCase protective case, reflective markers and batteries.
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Visma Instruments & Technologies Private Limited
No. 53, 1st Floor, 1st Street, Jayalakshmi Nagar,Moulivakkam
Chennai - 600125, Tamil Nadu, India
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