42535

      The Model 42535 is a mini IR thermometer with Type K Input.This 42535 offers non-contact infrared temperature measurement capability. The built-in laser pointer increases target accuracy. Type K thermocouple functionality is also built-in. Proper use and care of this meter will provide years of reliable service.
      The Model 42535 has 4 safety.The first one is use extreme caution when the laser beam is ON.The second one is do not point the beam toward anyone's eyes.The third one is be careful not to let the beam strike the eye from a reflective surface.The last one is do not use the laser near explosive gases or in other potentially explosive areas.
      The Model 42535 has 7 operating instructions.First point the meter toward the surface to be measured.Second Pull and hold the trigger to turn the meter on and begin testing. "SCAN" and a blinking con will appear in the display while the trigger is held.Third release the trigger and "HOLD" will appear. The last reading will remain in the display for 60 seconds and then the meter will shut off.Fourth while measuring, press the ºC/ºF button to turn the laser pointer on or off. When the laser is on, the icon will appear on the top left of the display.Fifth while in the HOLD mode, press the ºC/ºF button to change the temperature units.Sixth momentarily press the Mode button to step through and view the MAX (maximum), MIN (minimum), dIF (difference between the max and min), AVG (average), HAL (high alarm), LAL (low alarm), PRB (type k probe) or E (emissivity).Seventh While in the HOLD mode, momentarily press the LOCK button to allow the meter to run continuously for 60 minutes without holding the trigger. The "LOCK" and "SCAN" icons will appear in the display. Press the LOCK button again to exit Lock mode.
      The Model 42535 has 5 infrared measurement considerations.The first one is the 42535 automatically compensates for ambient temperature deviations, however it may take up to 30 minutes to adjust to extremely wide ambient temperature changes.The second one is when low temperature measurements are taken followed by high temperature measurements, several minutes are required for stabilization before the high temperature measurements can be made accurately.The third one of 42535  is measurement Field / Distance: The object under test should be larger than the spot size shown in the above diagram. For optimum accuracy, the object should be 1.5 to 2 times larger.The fourth one is measurement Interference: Objects having low emissivity or objects with low temperature yet high emissivity emit little IR energy. Such objects are adversely affected by IR energy radiated from nearby objects having high emissivity and temperature. For example, when such objects are measured in sunlight, erratic readings occur because of the powerful radiation (sunlight) reflected off of the object's surface into the 42535 sensor.The last one of 42535 is if an object's surface is highly reflective, apply masking tape or flat black paint before measuring.