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Summary of Contents for Everwell WH380
- Page 1 WH380 Digital Infrared Thermometer OPERATOR’S INSTRUCTION MANUAL WH380 Laser Infrared Thermometer -50~380ºC (-58~716ºF) WARNING READ AND UNDERSTAND THIS MANUAL BEFORE USING THE INSTRUMENT.
- Page 2 A. INTRODUCTION This infrared thermometer is used for measuring the temperature of the object's surface, which is applicable for various hot, hazardous or hard-to-reach objects without contact safely and quickly. This unit consists of optics, temperature sensor signal amplifier, processing circuit and LCD Display. The optics collect the infrared energy emitted by an object and focus it onto the sensor.
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Page 3: Warning And Cautions
B. WARNING & CAUTIONS 1. Warning: To avoid the potential situation may cause harm or damage to people, please pay attention to the following items: 1) Before you use this unit, check on the plastic housing carefully. If there is any damage, do not use it. 2) Do not point laser directly at eye or indirectly off reflective surfaces. - Page 4 C. DISTANCE TO SPOT SIZE 1. 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 the area measured by the unit becomes larger. The distance to spot size of the unit is 12:1. This unit is equipped with a laser, which is used for aiming accuracy.
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Page 5: Operation
D. EMISSIVE Most organic materials and painted or oxidized surfaces have an emissive of 0.95 (pre-set in the unit). Inaccurate readings will result from measuring shiny or polished metal surfaces. To compensate, cover the target surface with masking tape or flat black paint. Measure the tape or painted surface when the tape or painted reach the same temperature as the material underneath. -
Page 6: Lcd Display & Buttons
2. Locating a Hot Spot: Figure 3 To find a hot spot, aim the thermometer outside of interest, and then scan across with an up and down motion until you locate the hot spot. (Figure 3) F. LCD DISPLAY & BUTTONS 1. -
Page 7: Maintenance
2. Buttons: Figure 5 C / F Figure 5 (1) Trigger: When pressing the trigger, LCD display will read with SCAN icon. Release the trigger, display reading with HOLD icon for 7 seconds (approx). Built-in 7 seconds auto power off function. (2) Laser on/off button (3) Celsius / Fahrenheit switch button (4) Back light on/off button: When backlight is on, any... -
Page 8: Specification
H. SPECIFICATION 550: -50~550oC (-58~1022oF) Temperature Range 380: -50~380oC (-58~716oF) -50 oC(-58 oF) ~0 oC(32oF): ±3oC(±5oF) Accuracy: Whichever Is Greater 0oC(-32oF) ~550oC(1022oF): ±1.5oC(±2.7oF) or ±1.5% Resolution 0.1oC or 0.1oF Repeatability 2% of reading or 2oC Response Time 500mS, 95% response Spectral Response 8-14um Emissivity... - Page 9 www.everwellparts.com 10914 NW 33rd St, Miami, FL 33172 Phone: +1 (305) 406-2331 Fax: +1 (305) 406-2338 Email: info@everwellparts.com...
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