Products for 'gaz kontrol cihazae gaz dedektoerue pce instruments gaz kontrol cihazlarae aq 200 set eoz'

AED 671.00

Price excl. VAT &. delivery

PCE-MM 200UV is a UV USB microscope, or UV USB inspection camera, that magnifies objects up to 200 times. This Videoscope uses 8 UV LEDs with a wavelength of 400 nm for illumination. The microscope captures photos and videos as well as displays magnified objects in real time on your computer screen.

Magnification: Continuous, 10 … 200 times (infinitely variable)
Resolution: 1600 x 1200 pixels
Colors: 24-bit RGB

ISO Calibration Certificate for Moisture Meter

AED 611.00

Price excl. VAT &. delivery

ISO calibration certificate, eg to comply with your DIN ISO 9000. For this purpose, we give the measuring device to our in-house calibration laboratory. As the customer, the measured values and the serial number are recorded in this ISO calibration certificate.

3 point ISO calibration Calibration certificates are issued specifically for the customer and are excluded from the right of return.

Inspection Camera PCE-MM 200UV

AED 671.00

Price excl. VAT &. delivery

PCE-MM 200UV is a UV USB inspection camera, or UV USB microscope, that magnifies objects up to 200 times. This USB inspection camera uses 8 UV LEDs with a wavelength of 400 nm for illumination. The inspection camera captures photos and videos as well as displays magnified objects in real time on your computer screen.

Magnification: Continuous, 10 … 200 times (infinitely variable)
Resolution: 1600 x 1200 pixels
Colors: 24-bit RGB

Videoscope PCE-MM 200UV

AED 671.00

Price excl. VAT &. delivery

Magnification: Continuous, 10 … 200 times (infinitely variable)
Resolution: 1600 x 1200 pixels
Colors: 24-bit RGB

UV Microscope PCE-MM 200UV

AED 671.00

Price excl. VAT &. delivery

PCE-MM 200UV is a UV USB microscope, or UV USB inspection camera, that magnifies objects up to 200 times. This UV microscope uses 8 UV LEDs with a wavelength of 400 nm for illumination. The microscope captures photos and videos as well as displays magnified objects in real time on your computer screen.

Magnification: Continuous, 10 … 200 times (infinitely variable)
Resolution: 1600 x 1200 pixels
Colors: 24-bit RGB

Radiation Detector PCE-RD 50

AED 717.00

Price excl. VAT &. delivery

The Radiation Detector is a compact and handy measuring device for precise monitoring of the radon concentration indoors. With a measuring range of 0 ... 9999 Bq/m³ and a semiconductor detector, the Radiation Detector provides reliable measured values after just one hour. It provides both short-term average values (updated hourly) and long-term average values (updated every 24 hours up to 1 year) for a detailed analysis of radon exposure.

Measuring range: 0 ... 9999 Bq/m³
Resolution: 1 Bq/m³
Measuring range: 0 ... 500 pCi/L
Resolution: 0.01 pCi/L
Accuracy: 7 days <10 %, 2 months <5 % @ 200 Bq/m³
Alarm: acoustic, visual
Display: green, yellow, red

Radioactivity Meter PCE-RD 50

AED 717.00

Price excl. VAT &. delivery

The Radioactivity Meter is a compact and handy measuring device for precise monitoring of the radon concentration indoors. With a measuring range of 0 ... 9999 Bq/m³ and a semiconductor detector, the Radioactivity Meter provides reliable measured values after just one hour. It provides both short-term average values (updated hourly) and long-term average values (updated every 24 hours up to 1 year) for a detailed analysis of radon exposure.

Measuring range: 0 ... 9999 Bq/m³
Resolution: 1 Bq/m³
Measuring range: 0 ... 500 pCi/L
Resolution: 0.01 pCi/L
Accuracy: 7 days <10 %, 2 months <5 % @ 200 Bq/m³
Alarm: acoustic, visual
Display: green, yellow, red

Radon meter / Radon detector PCE-RD 50

AED 717.00

Price excl. VAT &. delivery

The Radon meter / Radon detector is a compact and handy measuring device for precise monitoring of the radon concentration indoors. With a measuring range of 0 ... 9999 Bq/m³ and a semiconductor detector, the Radon meter / Radon detector provides reliable measured values after just one hour. It provides both short-term average values (updated hourly) and long-term average values (updated every 24 hours up to 1 year) for a detailed analysis of radon exposure.

Measuring range: 0 ... 9999 Bq/m³
Resolution: 1 Bq/m³
Measuring range: 0 ... 500 pCi/L
Resolution: 0.01 pCi/L
Accuracy: 7 days <10 %, 2 months <5 % @ 200 Bq/m³
Alarm: acoustic, visual
Display: green, yellow, red

Data Logger / Data Logging Instrument PCE-RD 50

AED 717.00

Price excl. VAT &. delivery

The Data Logger / Data Logging Instrument is a compact and handy measuring device for precise monitoring of the radon concentration indoors. With a measuring range of 0 ... 9999 Bq/m³ and a semiconductor detector, the Data Logger / Data Logging Instrument provides reliable measured values after just one hour. It provides both short-term average values (updated hourly) and long-term average values (updated every 24 hours up to 1 year) for a detailed analysis of radon exposure.

Measuring range: 0 ... 9999 Bq/m³
Resolution: 1 Bq/m³
Measuring range: 0 ... 500 pCi/L
Resolution: 0.01 pCi/L
Accuracy: 7 days <10 %, 2 months <5 % @ 200 Bq/m³
Alarm: acoustic, visual
Display: green, yellow, red

Gas Detector / Gas Detection Instrument PCE-RD 50

AED 717.00

Price excl. VAT &. delivery

The Gas Detector / Gas Detection Instrument is a compact and handy measuring device for precise monitoring of the radon concentration indoors. With a measuring range of 0 ... 9999 Bq/m³ and a semiconductor detector, the Gas Detector / Gas Detection Instrument provides reliable measured values after just one hour. It provides both short-term average values (updated hourly) and long-term average values (updated every 24 hours up to 1 year) for a detailed analysis of radon exposure.

Measuring range: 0 ... 9999 Bq/m³
Resolution: 1 Bq/m³
Measuring range: 0 ... 500 pCi/L
Resolution: 0.01 pCi/L
Accuracy: 7 days <10 %, 2 months <5 % @ 200 Bq/m³
Alarm: acoustic, visual
Display: green, yellow, red

Condition Monitoring PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Condition Monitoring is used to assess heat stress in working environments, sports facilities or industrial plants. Our Condition Monitoring is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Environmental Meter PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Environmental Meter is used to assess heat stress in working environments, sports facilities or industrial plants. Our Environmental Meter is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Health & Safety PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Health & Safety is used to assess heat stress in working environments, sports facilities or industrial plants. Our Health & Safety is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Moisture Meter PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Moisture Meter is used to assess heat stress in working environments, sports facilities or industrial plants. Our Moisture Meter is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Temperature Meter PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Temperature Meter is used to assess heat stress in working environments, sports facilities or industrial plants. Our Temperature Meter is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Thermo Hygrometer PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Thermo Hygrometer is used to assess heat stress in working environments, sports facilities or industrial plants. Our Thermo Hygrometer is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Hygrometer PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Hygrometer is used to assess heat stress in working environments, sports facilities or industrial plants. Our Hygrometer is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Environmental Tester PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Environmental Tester is used to assess heat stress in working environments, sports facilities or industrial plants. Our Environmental Tester is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Humidity Detector PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Humidity Detector is used to assess heat stress in working environments, sports facilities or industrial plants. Our Humidity Detector is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Thermometer PCE-HT 114

AED 671.00

Price excl. VAT &. delivery

The refrigerator thermometer PCE-HT 114 has a temperature and humidity sensor on 2 m / 6.6 ft cable. The PCE-HT 114 thermometer records the temperature and humidity in the interior of the refrigerator and simultaneously displays it via the LCD display.

Measuring function

Temperature: -40 … 125°C / -40 … 257°F (external)
Humidity: 0 … 100% rh (external)
Memory for 25,920 readings
Saves as PDF

Differential Pressure Meter / Pressure Gauge PCE-P01

AED 722.00

Price excl. VAT &. delivery

The differential pressure meter / pressure gauge is a robust, compact and comprehensive differential pressure measuring device for measuring pressure in 11 adjustable units. The differential pressure meter is particularly suitable for the complete documentation of your measuring tasks.

Measurement of differential pressure and relative pressure
11 selectable units: mbar, bar, psi, kPa, …
Measuring range from -140 to +140 mbar
Min / max and average value display directly on the display
USB interface

Illuminometer PCE-LMD 5

AED 722.00

Price excl. VAT &. delivery

The illuminometer has a large measuring range of 0 … 400 kLux. The illuminance is measured using an external silicon photodiode with a spectral filter. This means that the illuminometer can be positioned appropriately for every measuring task.

Measuring range: 1000 … 400,000 lux
Resolution: 0.1 lux
Lux and footcandle units
Rechargeable battery

Photometer PCE-LMD 5

AED 722.00

Price excl. VAT &. delivery

The photometer has a large measuring range of 0 … 400 kLux. The illuminance is measured using an external silicon photodiode with a spectral filter. This means that the photometer can be positioned appropriately for every measuring task.

Measuring range: 1000 … 400,000 lux
Resolution: 0.1 lux
Lux and footcandle units
Rechargeable battery

Sound Test Instrument PCE-325D

AED 694.00

Price excl. VAT &. delivery

Our sound test instrument records and visualizes sound levels in the range from 30 to 130 dB. The sound test instrument has three manual measuring ranges and an automatic measuring range mode. The storage option offers space for 32,000 measured values.

Measuring range 30 … 130 dB
Resolution 0.1 dB
Accuracy ±1.5 dB
Frequency 31.5 … 8,000 Hz
Memory for 32000 values
incl. software for data export
Measurement report in .pdf and .csv
Standard(s): IEC 61672-1 (Class II)

Decibel Meter PCE-325D

AED 694.00

Price excl. VAT &. delivery

Our decibel meter records and visualizes sound levels in the range from 30 to 130 dB. The decibel meter has three manual measuring ranges and an automatic measuring range mode. The storage option offers space for 32,000 measured values.

Measuring range 30 … 130 dB
Resolution 0.1 dB
Accuracy ±1.5 dB
Frequency 31.5 … 8,000 Hz
Memory for 32000 values
incl. software for data export
Measurement report in .pdf and .csv
Standard(s): IEC 61672-1 (Class II)

Environmental Meter PCE-325D

AED 694.00

Price excl. VAT &. delivery

Our environmental meter records and visualizes sound levels in the range from 30 to 130 dB. The environmental meter has three manual measuring ranges and an automatic measuring range mode. The storage option offers space for 32,000 measured values.

Measuring range 30 … 130 dB
Resolution 0.1 dB
Accuracy ±1.5 dB
Frequency 31.5 … 8,000 Hz
Memory for 32000 values
incl. software for data export
Measurement report in .pdf and .csv
Standard(s): IEC 61672-1 (Class II)

SPL Meter PCE-325D

AED 694.00

Price excl. VAT &. delivery

Our SPL meter records and visualizes sound levels in the range from 30 to 130 dB. The SPL meter has three manual measuring ranges and an automatic measuring range mode. The storage option offers space for 32,000 measured values.

Measuring range 30 … 130 dB
Resolution 0.1 dB
Accuracy ±1.5 dB
Frequency 31.5 … 8,000 Hz
Memory for 32000 values
incl. software for data export
Measurement report in .pdf and .csv
Standard(s): IEC 61672-1 (Class II)

Environmental Tester PCE-325D

AED 694.00

Price excl. VAT &. delivery

Our environmental tester records and visualizes sound levels in the range from 30 to 130 dB. The environmental tester has three manual measuring ranges and an automatic measuring range mode. The storage option offers space for 32,000 measured values.

Measuring range 30 … 130 dB
Resolution 0.1 dB
Accuracy ±1.5 dB
Frequency 31.5 … 8,000 Hz
Memory for 32000 values
incl. software for data export
Measurement report in .pdf and .csv
Standard(s): IEC 61672-1 (Class II)

Automotive Tester / Mechanics Stethoscope PCE-S 41

AED 699.00

Price excl. VAT &. delivery

The PCE-S 41 Mechanics Stethoscope is battery powered and easy to use. This Mechanics Stethoscope can be used for detecting noise in machine components, such as gears, valves, vents, and pumps.

Frequency range: 100 Hz to 10 kHz
Headphones, 70 mm long sensor, 290 mm long sensor, battery, carrying case
Weight: 240 g, with battery
Dimensions: 206 mm x 50 mm x 32 mm

Environmental Meter PCE-PH20S

AED 713.00

Price excl. VAT &. delivery

The environmental meter for soil has been developed with the purpose of finding an effective method for directly determining the pH value of soil. With the help of this environmental meter, it is possible to quickly and accurately measure the pH value of soil, including a soil sample taken from the ground.

Measuring range: 0.00 … 14.00 pH
Dissolution: 0.01 pH
Power supply: 4 x 1.5 V AAA batteries

*Care must be taken when inserting probe to not break it**

Hygrometer PCE-HT 114

AED 671.00

Price excl. VAT &. delivery

The refrigerator hygrometer PCE-HT 114 has a temperature and humidity sensor on 2 m / 6.6 ft cable. The PCE-HT 114 hygrometer records the temperature and humidity in the interior of the refrigerator and simultaneously displays it via the LCD display.

Measuring function

Temperature: -40 … 125°C / -40 … 257°F (external)
Humidity: 0 … 100% rh (external)
Memory for 25,920 readings
Saves as PDF

Data Logger / Data Logging Instrument PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Data Logger / Data Logging Instrument is used to assess heat stress in working environments, sports facilities or industrial plants. Our Data Logger / Data Logging Instrument is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Heat Stress Meter / WBGT Meter PCE-WBGT 10

AED 634.00

Price excl. VAT &. delivery

The Heat Stress Meter / WBGT Meter is used to assess heat stress in working environments, sports facilities or industrial plants. Our Heat Stress Meter / WBGT Meter is used both indoors and outdoors to precisely measure climatic conditions and ensure the safety of people exposed to heat.

WBGT: 0 ... 50°C / 32 ... 122°F
Resolution: 0.1°C / 0.2°F
Spherical temperature (TG): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Air temperature (AIR): -20 ... 125°C / -4 ... 257°F
Resolution: 0.1°C / 0.2°F
Dew point (DP): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Wet bulb temperature (WB): -20 ... 60°C / -4 ... 140°F
Resolution: 0.1°C / 0.2°F
Humidity (RH%): 0 ... 100%
Resolution: 1%
Data logger: 8 MB
Data transfer: USB-C to PC

Heating Mantle PCE-HM 250

AED 690.00

Price excl. VAT &. delivery

The heating mantle PCE-HM 250 is an auxiliary device, which is used in laboratories. The heating mantle helps to heat or control the temperature of different samples or chemicals in the laboratory. The device has a crocheted net inside, in which you can hang the round bottom flask to heat it.

Power 150 W
Operating temperature 0 … +450 °C
Fast heat-up time
For round flasks up to 250 ml

Conductivity Meter PCE-PWT 10

AED 722.00

Price excl. VAT &. delivery

The conductivity meter is a good solution for anyone who wants to check the conductivity of ultrapure water and to accurately determine the salinity of liquids.

conductivity: 0 … 20 µS/cm …
salinity: 0,00 … 10.00 ppt
temperature: 0 … 60 °C / 32 … 140 °F
automatic temperature compensation
internal 3-point calibration

Concrete Moisture Meter PCE-PMI 2

AED 713.00

Price excl. VAT &. delivery

PCE-PMI 2 is a nondestructive concrete moisture meter or dampness instrument that measures the moisture content of concrete and other building materials. It offers many preset characteristic curves based on alternative material densities. This digital moisture device gives quick and accurate moisture measurement without causing any damage to the test material.

Offers high-frequency penetration up to 50 mm / 1.96 inches in depth
Features an alarm function when exceeding threshold levels
Includes a metallic sphere or ball sensor