GAOTek Portable Infrared Thermal Imager (Dual Laser,Tripod Mount)

This Portable infrared Thermal Imager (Dual Laser, Tripod, Mount) is a non-contact high quality temperature tester for a temperature ranging from -58 °F to 716 °F and comes with a field view of 12:1

GT00YT00ZW

Description

Overview

GAOTek Portable Infrared Thermal Imager (Dual Laser, Tripod Mount) is a non-contact high quality Infrared Thermometer Temperature Tester with a temperature ranging from -58 °F to 716 °F (-50 °C to 380 °C)  and a field of view: 12:1. It is a compact, easy to use and a very useful device for measuring surface of hot, hazardous or hard to reach objects without having to touch them. One has to aim with the laser point, press the button and get the temperature measurements in less than a second. The thermometer is also featured with backlight LCD, large distance to spot ratio (12:1), with 0.95 emissivity, maximum and minimum functions which can take measurements in °C and °F.

Key Features

  • Unique flat surface, mini modern housing design
  • Simple one-handed operation
  • Laser Targeting
  • LCD with back light
  • Laser ON/OFF switch
  • Automatic power off
  • Max, Min function
  • Display holds function
  • Max, Min function
  • Precise non-contact measurements
  • Built-in laser pointer
  • Simple one handed operation
  • Data Hold & Auto-power off
  • The meter at 12 inches away measures 1 inch targets

Technical Specifications

Display 3 – ½ digit (1999 count) LCD with backlight
Sample rate 2.5 times/second
Polarity Automatic (no indication for positive polarity); Minus (-) sign for negative polarity
Operating Temperature 32 F to 122 F (0 C to 50 C)

70 % R.H.

Emissivity 0.95 fixed value
Field of view D/s=Approx 12.1 ratio (D = Distance; S = spot) (Has 90 % encircled energy at the focal point)

 

Diode Laser Output <1mW, wavelength 620 nm -670 nm, class 2 laser product
Spectral Response (Wavelength) 6 to 14 um
Power Off Automatic shut off after 7 seconds, approx
Relative Humidity 10 % to 90 % RH operating

<80 % RH storage

Power Supply 9 V battery, or equivalent
Weight 0.39 lbs (180 g)
Size 3.22 in x 1.63 x 6.29 in (82 mm x 41.5 mm x 160 mm)
Temperature Range

 

58 ◦F to 716 ◦F (-50 ◦C to 350 ◦C)
Resolution 0.1◦F or  0.1 ◦F
Accuracy 122 ◦F (50 ◦C) ±5 ◦C; (± 2 % of reading or ± 2 ◦C)
Storage Temperature -4 ◦F to140 ◦F (-20 ◦C to 60 ◦C)

Additional Specifications

Front Panel Description

  1. IR sensor
  2. Laser Pointer beam
  3. LCD display
  4. Laser select key
  5. Backlight select key
  6. Min/Max
  7. C/F
  8. Measurement Trigger
  9. Battery cover
  10. Handle grip

INDICATOR

  1. Digital readout
  2. Temperature C (Celsius)
  3. Temperature F (Fahrenheit)
  4. Measuring indication
  5. Data hold
  6. Low battery indicator
  7. Laser point

Meter View

The meter’s field of view is 12:1. For an example if the meter is 12 inches from the target, the diameter of the object under test must be at least 1 inch. The target should be larger than the unit’s spot size. The smaller the target, the closer you should be to it. When accuracy is critical, the target is at least twice as large as the spot size.

Emissivity:

0.95 Fixed values

Fixed emissivity (0.95)

Measurement Operations:

  1. Hold the meter by its Handle Grip and point it toward the surface to be measured.
  2. Pull and hold the Trigger to turn the meter on and begin testing. The display will light it the battery is good. Replace the battery if the display does not light.
  3. While measuring, the Scan display icon will appear in the upper left hand corner of the LCD
  4. While continuing to pull the Trigger:
  • Push the Laser button to turn on the laser pointer. When the laser is on the laser icon will appear on the LCD over the temperature. Aim the red beam approximately a half inch above the point of test (pressing the Laser button again turns the laser off)
  • Select the temperature units (C or F) using the C and F buttons
  • Push the backlight key on the LCD backlighting function
  • Press Mode button to change Max/Min value

5. Release the trigger and the Hold display icon will be appeared on the LCD, which indicates that the reading is  being held

6. The meter will automatically power down after approximately 7 seconds after the trigger is released

Measurement Considerations:

Holding the meter by its handle, point the IR sensor toward the object whose temperature is to be measured. The meter automatically compensates for temperature deviations from ambient temperature. It will take up to 30 mins to adjust to wide ambient temperatures are to be measured followed by high temperature measurements. Several minutes are required after the low temperature measurements are made.

This is a result of the cooling process which must take place for the IR sensor.

Locating a hot Spot

To find a hot spot, aim the thermometer outside the area of interest, and then scan across with an up and down motion until user locate hot spot.

Reminders:

  1. Not recommended for use in measuring shiny or polished metal surfaces (stainless steel, aluminum, etc)
  2. The unit cannot measure through transparent surfaces. It will measure the surface temperature of the glass instead
  3. Steam, dust, smoke etc can prevent accurate measurement by obstructing the unit’s optics

Emissivity:

Most (90 % of typical applications) organic materials and painted or oxidized surfaces have an emissivity of 0.95 (pre-set in the unit). Inaccurate readings will result from measuring shiny or polished metal surfaces. To compensate, cove the surface to be measured with masking tape or flat black paint. Allow time for the tape to reach the same temperature as the material underneath it. Measure the temperature of the tape of painted surface.

Emissivity Values

Substance Thermal emissivity Substance Thermal emissivity
Asphalt 0.90 to 0.98 Cloth 0.98
Concrete 0.94 Human Skin 0.98
Cement 0.96 Leather 0.75 to 0.80
Sand 0.90 Charcoal  (powder) 0.96
Earth 0.92 to 0.96 Lacquer 0.80 to 0.95
Water 0.92 to 0.96 Lacquer (matt) 0.97
Ice 0.96 to 0.98 Rubber (black) 0.94
Snow 0.83 Plastic 0.85 to 0.95
Glass 0.90 to 0.95 Timber 0.90
Ceramic 0.90 to 0.94 Paper 0.70 to 0.94
Marble 0.94 Chromium oxides 0.81
Plaster 0.80 to  0.90 Copper oxides 0.78
Mortar 0.89 to 0.91 Iron oxides 0.78 to 0.82
Brick 0.93 to 0.96 Textiles 0.90

Application Areas:

  • Food preparation
  • Safety and fire inspectors
  • Plastic molding
  • Asphalt
  • Marine
  • Screen printing
  • Measure ink and dryer temperature
  • Diesel and fleet maintenance

 

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