Exergen Microscanner D Series, Microscanner D501-RS, Microscanner D501 Instruction Manual
D501
Microscanner
D-Series
D501-RS
™
High-Performance Models
Instruction Manual
Welcome to Infrared!
Exergen’s high-performance microprocessor-based infrared thermometers
have been designed to provide you with new dimensions of accuracy and
versatility. They literally put the power and speed of infrared in your hand!
By combining computer calibration and advanced software technology with
our patented Automatic Emissivity Compensation System, this generation
of Microscanner™ D-Series provides precision temperature measurements
over a wide range of environmental and target temperatures.
For added versatility, your high-performance Microscanner™
D-Series features:
• Full range resolution to 0.1 °F or °C
• SCAN, MAX and MIN modes of operation
• A 10-second display lock
• An audible beeper to signal functional or conditional changes
• Fahrenheit/Celsius Conversion
This manual provides complete instructions on how to operate and use
your Microscanner - the fastest, most accurate instrument for measuring
temperature available.
Table of Contents
Operation and Controls 1
Understanding How Your Microscanner™ Operates 2
Taking Exact Temperature Measurements 3
Moving Targets 3
High Temperature Targets 4
Thermal Scanning 5
Measuring Relative Humidity 6
Display Messages 7
Helpful Hints 8
Maintenance 9
Troubleshooting 10
Warranty & Repair 10
Specifications 11
Operations and Controls
Your high-performance Microscanner™ D-Series is equipped with an ON/OFF
power pushbutton and a mode selector switch. The mode selector switch allows
you to choose one of three modes of operation: SCAN, MAX or MIN.
On/Off, Lock and Reset:
• TO TURN the unit ON, PUSH and HOLD the ON/OFF power pushbutton.
The display will momentarily read 8888, an indication that the microprocessor is performing its self-diagnostic testing. After the test, the unit will
measure and display temperature in the selected mode of operation for
as long as the power button is depressed.
• RELEASE the power pushbutton TO LOCK the display on the last reading.
A single beep will audibly indicate that the display is locked. The instrument will hold the last reading on the display for 10 seconds before it
automatically turns itself OFF.
• To RESET the display and initiate a new set of readings, PUSH the power
pushbutton at any time.
Operation Mode:
• SCAN - In the SCAN mode, the target’s instantaneous temperature is
continuously displayed and updates 10 times per second for as long as
you hold the power button down. After you release the power button, the
display will lock on the last temperature measured and hold that reading
for 10 seconds.
• MAX - In the MAX mode, the display will lock on the highest temperature
measured for as long as you hold the power button down. Each time a
new peak temperature is measured or repeated an audible beep will
sound. After you release the power button, the display will lock on the
maximum recorded temperature and hold that reading for 10 seconds.
• MIN - In the MIN mode, the display will lock on the lowest temperature
measured for as long as you hold the power button down. Each time
a new low temperature is measured or repeated, an audible beep will
sound. After you release the power button, the display will lock on the
minimum recorded temperature and hold that reading for 10 seconds.
1
Understanding How Your
Microscanner™ Operates
The ability of an infrared thermometer to measure an accurate temperature depends
on the following:
1. The ability of the object’s surface to emit heat.
In general, infrared thermometers can easily measure non-metallic surfaces
because they emit most of their potential heat. Metallic surfaces, on the
other hand, are poor emitters and require special treatment before infrared
thermometers can accurately measure their tem perature. Fortunately, that
special treatment is simple and can be easily accomplished by mark ing the
metallic surface you wish to measure with a non-metallic substance such as
paint, grease, oil or even transparent tape. We recom mend marking metallic
surfaces with a solid paint marker.* To make things easy, Exergen provides a
marker with each unit.
* It is only necessary to mark an area slightly larger than your Microscanner’s nosepiece. In the MAX
or MIN mode you may want to check several points over an area. In this case, it may be more efficient
to coat the entire area with a non-metallic finish.
2. The ability of the instrument to properly detect and interpret the
object’s emitted heat signal.
Measuring and interpreting an object’s emitted heat signal can be complex.
Once again, Exergen’s innovative design makes it simple.
If you look at the Microscanner’s nosepiece, you will see that it is really
a small reflective cup with the sensor’s window at its base. When the
Microscanner’s nosepiece touches the surface of an object, that reflective
cup automatically controls what the sensor sees by eliminating variables
such as target emissivity and extraneous radiation. Patented by Exergen as
our Automatic Emissivity Compensation System (AECS), this unique design
ensures ac curate readings every time.
2
Taking Exact Temperature
Measurements
CAUTION...Shock Hazard.
Do Not Touch the Instrument to
Electrical Conductors*
The Microscanner™ D-Series measures tem perature very quickly.
An accurate reading is almost instantaneous. It is only necessary to touch
the surface for a fraction of a second.
For exact surface temperature measurements, simply:
• Press the power button
• Touch the nosepiece to the target surface**
• Read the temperature on the LED display
• Release the power button
* Exergen manufactures specific instruments for safe and conve nient inspection of electrical
equipment. If electrical inspection is of particular importance, contact Exergen for more informa tion
relative to the dedicated electrical inspection instruments.
** If the surface is metallic, be sure to mark it as previously described (see pg. 2).
Taking Exact Temperature of
Moving Targets
For moving targets which are not possible to touch even for an instant, simply
• Set slide switch to MAX for targets warmer than ambient, or MIN for
targets cooler than ambient.
• Point at target
• Press the power button
• Bring nosepiece as close as possible to the target, preferably within
1/32 inch (1mm)
• Release power button
• Read the temperature
3
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