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Pocket Light Meter
Rated 0 out of 5This pocket-sized light meter is capable of taking Footcandle (Fc) and Lux measurements. The R8150 features an LCD display, data hold/max functions, low battery indicator and auto shut-off. The tethered sensor allows for flexible operation while taking measurements.
Features
- Easy to operate with user selectable ranges
- Convenient pocket size design
- 4-digit LCD display
- Max and data hold functions
- Over range and low battery indicators
- Auto shut-off
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LED Light Meter
Rated 0 out of 5This LED Light Meter is capable of measuring popular light sources including white, red, green, yellow and blue LEDs up to 199,900 Lux (19,990 Fc). The R8140 includes an auto-ranging feature to optimize resolution and keeps track of minimum and maximum readings. This instrument is also capable of measuring standard incandescent light sources.
Features
- Measures ambient light levels of white, red, yellow, green and blue LED light and visible light in Foot-candles or Lux
- Backlit LCD display
- Detachable and rotatable light sensor
- Min/Max and data hold functions
- Cosine and color corrected measurements
- User adjustable parameter for specialized light sources
- Low battery indicator and auto shut off
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Laser Tachometer
Rated 0 out of 5This tachometer features both the ability to measure RPM (revolutions per minute) in rotational equipment and surface speed m/min (meters per minute) / ft/min (feet per minute) with included contact adapters. The built-in laser for non-contact measurement provides accurate measurements up to 6.5 ft (2000 mm) away from target.
Features
- Dual function unit with both contact and non-contact capabilities
- Provides fast and accurate RPM measurements of rotating objects and surface speed measurements MPM (meter per min) and FPM (feet per min)
- Laser provides improved accuracy at a greater distance
- Internal memory recalls min/max and last value
- LCD Display reverses depending on measurement mode
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Digital Humidity Meter
Rated 0 out of 5This Digital Psychrometer provides simultaneous relative humidity and air temperature readings, as well as automatically calculating wet bulb and dew point temperatures without needing to consult charts.
Features
- Simultaneous display of %RH, temperature and dew point or wet bulb
- Optional external probe (87P6) for contact/differential temperature measurement
- Max/Min/Avg readings
- Fast response
- Data Hold Function
- User selectable °F/°C
- Low battery indicator and auto shut-off
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Just Instruments Inc. is an ISO 9001:2015 certified Canadian company that provides services in the field of process control and laboratory instruments since 2009. We offer a wide range of On-Site & In-lab instrument calibrations, validations, sales, repairs & installation services.
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All Products


Featured Products
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Pocket Light Meter
Rated 0 out of 5This pocket-sized light meter is capable of taking Footcandle (Fc) and Lux measurements. The R8150 features an LCD display, data hold/max functions, low battery indicator and auto shut-off. The tethered sensor allows for flexible operation while taking measurements.
Features
- Easy to operate with user selectable ranges
- Convenient pocket size design
- 4-digit LCD display
- Max and data hold functions
- Over range and low battery indicators
- Auto shut-off
-
LED Light Meter
Rated 0 out of 5This LED Light Meter is capable of measuring popular light sources including white, red, green, yellow and blue LEDs up to 199,900 Lux (19,990 Fc). The R8140 includes an auto-ranging feature to optimize resolution and keeps track of minimum and maximum readings. This instrument is also capable of measuring standard incandescent light sources.
Features
- Measures ambient light levels of white, red, yellow, green and blue LED light and visible light in Foot-candles or Lux
- Backlit LCD display
- Detachable and rotatable light sensor
- Min/Max and data hold functions
- Cosine and color corrected measurements
- User adjustable parameter for specialized light sources
- Low battery indicator and auto shut off
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Laser Tachometer
Rated 0 out of 5This tachometer features both the ability to measure RPM (revolutions per minute) in rotational equipment and surface speed m/min (meters per minute) / ft/min (feet per minute) with included contact adapters. The built-in laser for non-contact measurement provides accurate measurements up to 6.5 ft (2000 mm) away from target.
Features
- Dual function unit with both contact and non-contact capabilities
- Provides fast and accurate RPM measurements of rotating objects and surface speed measurements MPM (meter per min) and FPM (feet per min)
- Laser provides improved accuracy at a greater distance
- Internal memory recalls min/max and last value
- LCD Display reverses depending on measurement mode
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Digital Humidity Meter
Rated 0 out of 5This Digital Psychrometer provides simultaneous relative humidity and air temperature readings, as well as automatically calculating wet bulb and dew point temperatures without needing to consult charts.
Features
- Simultaneous display of %RH, temperature and dew point or wet bulb
- Optional external probe (87P6) for contact/differential temperature measurement
- Max/Min/Avg readings
- Fast response
- Data Hold Function
- User selectable °F/°C
- Low battery indicator and auto shut-off
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TC Thermometer
Rated 0 out of 5This single input type-k thermocouple thermometer features a backlit LCD display and is capable of measuring -58 to 2000°F (-50 to 1300°C) and 223 to 2000 Kelvin. The R2400 includes a type-k beaded wire probe.
Features
- Type K thermocouple thermometer
- Easy-to-read backlit LCD display
- User selectable °C, °F or Kelvin
- Max and Data Hold functions
- User selectable resolution of 0.1 or 1°F (0.1 or 1°C)
- Tripod mount for long-term monitoring
- Low battery indicator and auto shut off
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Portable Digital RTD
Rated 0 out of 5This RTD thermometer has a platinum resistor sensor that requires less temperature compensation than thermocouple units. The C-370 is capable of measuring 3 types of RTD sensors: PT-100, PT-500 and PT-1000 (4 wire).
Features
- Designed to meet food service standards
- Quick responding, high accuracy
- Easy-to-read backlit LCD display
- User selectable °C, °F
- Min/Max/Avg functions
- Relative mode and Data hold
- IP67 rated waterproof housing
- Low battery indicator and auto shut off
Latest Products
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Voltage / Current Simulator
Rated 0 out of 5This voltage/current simulator is capable of sourcing voltage and current. The R5800 features an easy-to-read 5-digit LCD display, protective boot and kickstand.
Features
- Sources voltage and current
- 5-digit LCD display
- Automatic calibration
- Low battery indicator and auto shut off
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Temperature Simulator
Rated 0 out of 5This temperature simulator is capable of generating and converting an electrical signal to simulate temperatures for 8 different types of thermocouples and 7 RTDs. The R2800 features internal cold junction compensation, basic accuracy of 0.05% and an easy-to-read LCD display.
Features
- Source 8 thermocouple types, including R, S, B, E, K, J, T, N; and 7 RTD types, including Pt 10 (385), Pt100 (385), Pt200 (385), Pt500 (385), Pt1000 (385), Cu10, Cu50; plus volts and ohms
- Basic accuracy of 0.05%
- Internal cold junction compensation
- Easy-to-read 6-digit LCD display
- Zero adjustment button
- User selectable unit of measure (°F/°C)
- Low battery indicator and auto shut off
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IR Temperature Calibrator
Rated 0 out of 5his infrared temperature calibrator provides accurate temperatures to calibrate non-contact temperature instruments. The BX-500 is capable of generating temperatures up to 932°F (500°C) and is designed to accommodate various infrared thermometers.
Features
- For calibrating non-contact temperature instruments (infrared thermometers, pyrometers and thermal imagers)
- Wide aperture compensates for optical infrared thermometer variations
- Contact RTD reference well located directly behind the blackbody target to assure accurate results
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Conductivity Meter
Rated 0 out of 5This SD Series datalogger is capable of measuring conductivity, total dissolved solids (TDS) and salt levels in water. The SD-4307 features Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using an SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a user to track live measurements.
Features
- Measures conductivity, total dissolved solids (TDS) and salt levels in water
- Automatic temperature compensation
- Real time datalogger with integral SD memory card (optional)
- User selectable sampling rate
- Easy-to-read backlit LCD display
- Data hold and Min/Max functions
- Optional PC software features live tracking via USB connection
- Tripod mount for long-term monitoring
- Low battery indicator and auto shut off
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pH Meter
Rated 0 out of 5This digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The R3500 features automatic temperature compensation for accurate readings and includes a built-in calibration procedure.
Features
- Dual LCD displays temperature and pH measurements
- User selectable °F or °C
- Automatic temperature compensation
- Replaceable pH electrode module
- Data hold function
- Waterproof housing
- Protective cap keeps sensor moistened
- Low battery indicator and auto shut off
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Portable Radiation Meter
Rated 0 out of 5This portable radiation meter detects alpha, beta, gamma and X rays. The R8008 features user adjustable alarm limits, internal memory capable of recording up to 4000 groups of data and the ability to connect wirelessly to a PC via Bluetooth. Typical applications include checking for radioactive deposits in the ground, X-ray scatter and monitoring environmental conditions to alert users of radioactive presence.
Features
- Detects Alpha, Beta, Gamma, and X radiation
- Automatic selection of measurement range
- Average time and pulse counting functions
- Backlit LCD display with bargraph indicator
- Accumulation of radiation detection values and conversions between different measurement units
- User-adjustable alarms (audio/visual indicators)
- Internal memory stores up to 4000 groups of data internally
- Bluetooth connectivity wirelessly streams data to computer via software
- Low battery indicator and auto shut off
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Light Meter/ Data-logger
Rated 0 out of 5This SD series datalogging light meter has a wide measurement range up to 100,000 Lux (10,000 Foot Candles) and features user selectable sampling rates from 1 to 3600 seconds. Using an SD card (max 16Gb) a user can select a desired sampling rate and quickly generate an Excel file without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a user to track live measurements.
Features
- Measures ambient light levels in Foot Candles or Lux
- Photo diode and colour correction filters meet C.I.E. spectrum specifications
- Contact temperature measurement with a type J/K thermocouple option
- Temperature is measured in °C or °F
- Real time data logger with integral SD memory card
- User selectable sampling rate from 1 to 3600 seconds
- Easy-to-read backlit LCD display
- Data hold and Min/Max functions
- Optional PC software features live tracking via USB connection
- Tripod mount for long-term monitoring
- Low battery indicator and auto shut off
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Pocket Light Meter
Rated 0 out of 5This pocket-sized light meter is capable of taking Footcandle (Fc) and Lux measurements. The R8150 features an LCD display, data hold/max functions, low battery indicator and auto shut-off. The tethered sensor allows for flexible operation while taking measurements.
Features
- Easy to operate with user selectable ranges
- Convenient pocket size design
- 4-digit LCD display
- Max and data hold functions
- Over range and low battery indicators
- Auto shut-off
Highest selling
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Voltage / Current Simulator
Rated 0 out of 5 -
Temperature Simulator
Rated 0 out of 5 -
IR Temperature Calibrator
Rated 0 out of 5 -
Conductivity Meter
Rated 0 out of 5 -
pH Meter
Rated 0 out of 5
Highest Price
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Thermal Imaging Camera
Rated 0 out of 5 -
Hardness Tester Pen
Rated 0 out of 5 -
IR Temperature Calibrator
Rated 0 out of 5 -
Vibration Meter Datalogger
Rated 0 out of 5 -
Force Gauge Datalogger
Rated 0 out of 5
Lowest Price
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Digital Thermometer
Rated 0 out of 5 -
Digital Stopwatch
Rated 0 out of 5 -
Digital Thermometer
Rated 0 out of 5 -
Conductivity Tester
Rated 0 out of 5 -
Circuit Breaker Finder
Rated 0 out of 5
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