GAOTek Infrared Thermometer with Data Hold (High Accuracy)

This ‘Infrared Thermometer with Data Hold (High Accuracy)’ is a non-contact temperature tester to measure the object’s surface for the temperature ranges from 0.4 °F to 2462 °F (-18 °C to 1350 °C).

GT00YT00ZC

Description

Overview

GAOTek ‘Infrared Thermometer with Data Hold (High Accuracy)’ is a non-contact temperature tester to measure the object’s surface for the temperature ranges from 0.4 °F to 2462 °F (-18 °C to 1350 °C). It has the alarm function to indicate the low temperature and the high temperature ranges. It measures within 500 milliseconds response time. This device comprises of Optics, Temperature sensor signal amplifier, Processing unit and LCD display. It is equipped with a laser used for aiming to spot the distance. It is applicable to measure hot, hazardous and hard to reach objects.

Features

  • Non-contact measurement.
  • Data store recall function.
  • High and low temperature alarm setup function.
  • Data hold function.
  • Laser target point.
  • °F/°C selection function.
  • Built-in auto power off function.
  • Backlight ON/OFF function.
  • MAX/MIN/AVG/DIF reading.
  • Low battery indication.
  • Test range from 0.4 °F to 2462 °F (-18 °C to 1350 °C).

Technical Specifications

Temperature Range 0.4 °F to 2462 °F (-18 °C to 1350 °C)
Accuracy ± 1.5 % or ±  34.7 °F (1.5 °C)
Resolution 0.1 °C / 0.1 °F
Repeatability ± 1 % or ± 33.8 °F (1 °C)
Response Time 500 milliseconds
Wavelength 8 μm to 14 μm
Emissivity 0.10 to 1.00 adjustable
Distance spot ratio 50 : 1 ratio
Battery Type Alkaline or NiCd battery
Battery Life Non-laser models: 22 hours;

Laser models: 12 hours

Power 9 V 6F22 battery
Dimension 5.55 in × 2.36 in × 7.87 in (141 mm × 60 mm × 200 mm)
Weight 11.01 oz. (312 g)
Operating Humidity 10 % to 95 % (non-condensing)
Storage Temperature -4 °F to 140 °F (-20 °C to 60 °C)
Operating Temperature 32 °F to 104 °F (0 °C to 40 °C)

Additional Information

Accessories:

  • Infrared Thermometer
  • Battery
  • User Manual

LCD display and buttons:

 

A: Temperature reading

B: Temperature unit

C: Laser on icon

D: Back light on icon

E: Battery power icon

F: Scanning icon

G: Data hold icon

H: Mode/emissivity indicator

I: Data storage/read icon

J: Low temperature alarm icon

K: Light temperature alarm icon

Diagram Description:

(1)          Trigger: When the LCD turn on, it displays VERXX software version for 1 second, Pull the trigger it displays reading with Scan icon and release the trigger it display the reading with HOLD icon. It supports the built-in auto power off with 30 seconds.

(2)          Laser and backlight ON/OFF: when the backlight turn on, any operation will remain backlight for       10 seconds. LCD indicates laser/backlight ON/OFF status.

(3-6)         Mode selection: Press the 3 indicated key, LCD displays in the sequence of MAX-MIN-DIF-AVG-HAL-LAL-STO-EMS segment (main display means normal measuring mode) Press 4 key to enter.

  • MAX: Measuring maximum temperature
  • MIN: Measuring minimum temperature.
  • Average: Measure average temperature.
  • DIF: Based on the reading before press the SET key to compute the difference of current reading.
  • HAL: High temperature alarm—when selected HAL, press the Up and Down key to set high temperature alarm trigger and confirm by pressing SET button. When the reading over trigger, LCD displays HI icon with BiBi audio sounds.
  • LAL: Low temperature alarm— when selected LAL, press up or down button to set low temperature alarm trigger and confirm by pressing SET button. When the reading is over trigger, LCD displays LOW icon with BiBi audio sounds.
  • EMS: Press up or down button for emissivity settings. Press set key to save setup and back to normal status.

(7)          Celsius/Fahrenheit switch: Open the battery and push the slide switch for conversion.

Distance to spot size

When taking measurements, pay attention to the Distance to Spot Size. As the Distance (D) from the target surface increases, the spot size (S) of measuring area becomes larger. The Distance to Spot Size of the unit is 50:1. This device is equipped with a laser which is only used for aiming.

Field of View:

Make sure the target is larger than the unit’s spot size. The smaller the target, the smaller is the measuring distance. When accuracy is critical, make sure the target is at least twice as large as the spot size.

Operations:

  1. Operating the unit
  • Open the battery door and insert a 9 V battery properly.
  • Pull the trigger to turn on the unit;
  • Aim at the target surface and pull the trigger, the temperature will be shown on the LCD.

Note: This unit is equipped with a laser, which is only used for aiming.

  1. Locating a Hot Spot

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

Emissivity:

Most organic materials painted or oxidized surfaces have an emissivity of 0.95 (pre-set in the unit). By measuring shiny surfaces or polished metal surfaces the readings are inaccurate. To compensate this, adjust the unit’s emissivity reading or cover the surface to be measured with masking tape or flat black paint. The emissivity material as follows

Material Emissivity Material Emissivity
Aluminum 0.30 Iron 0.70
Asbestos 0.95 Lead 0.50
Asphalt 0.95 Limestone 0.98
Basalt 0.70 Oil 0.94
Brass 0.50 Paint 0.93
Brick 0.90 Paper 0.95
Carbon 0.85 Plastic 0.95
Ceramic 0.95 Rubber 0.95
Concrete 0.95 Sand 0.90
Copper 0.95 Skin 0.98
Dirt 0.94 Snow 0.90
Frozen food 0.90 Steel 0.80
Hot food 0.93 Textiles 0.94
Glass (Plate) 0.85 Water 0.93
Ice 0.98 Wood 0.94

Maintenance:

  1. Lens Cleaning:

Blow off loose particles using clean compressed air. Gently brush remaining debris away with a moist cotton swab. The swab may be moistened with water.

  1. Case cleaning:

Clean the case with a damp sponge/cloth and mild soap.

Note:

1) Do not use solvent to clean plastic lens.

2) Do not submerge the unit in water.

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