Reed Instruments C-370 Manual de usuario

RTD
Thermometer
Instruction
Manual
C-370
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2
Table of Contents
Introduction .................................................................................................... 3
Product Quality............................................................................................... 3
Safety ............................................................................................................. 3
Features.......................................................................................................... 3
Specications..............................................................................................4-5
Range Specifications ................................................................................. 4
Temperature Coefficient ............................................................................ 5
RTD Probe Accuracy Specifications.......................................................... 5
Instrument Description................................................................................... 6
Display Description ........................................................................................ 7
Operating Instructions...............................................................................8-13
Connecting the Pt100 RTD Probe (TP-R01).............................................. 8
Connector Configuration ........................................................................... 8
Powering the Meter ................................................................................... 8
Selecting Temperature Units...................................................................... 9
Taking Measurements ................................................................................ 9
Data Hold................................................................................................... 9
Backlight .................................................................................................... 9
Relative Function ..................................................................................... 10
MAX/MIN/AVG Function.......................................................................... 10
Auto Power Off ...................................................................................10-11
Pt Type Selection..................................................................................... 11
0°C Calibration......................................................................................... 12
Reset Calibration Value to Factory Settings .......................................12-13
Battery Replacement.................................................................................... 13
Applications.................................................................................................. 14
Accessories and Replacement Parts ........................................................... 14
Product Care ................................................................................................ 14
Product Warranty ......................................................................................... 14
Product Disposal and Recycling .................................................................. 15
Product Support........................................................................................... 15
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3
Introduction
Thank you for purchasing your REED C-370 RTD Thermometer. Please
read the following instructions carefully before using your instrument. By
following the steps outlined in this manual your meter will provide years of
reliable service.
Product Quality
This product has been manufactured in an ISO9001 facility and has been
calibrated during the manufacturing process to meet the stated product
specications. If a certicate of calibration is required please contact the
nearest authorized REED distributor or authorized Service Center. Please
note an additional fee for this service will apply.
Safety
Never attempt to repair or modify your instrument. Dismantling your
product, other than for the purpose of replacing batteries, may cause
damage that will not be covered under the manufacturer's warranty.
Servicing should only be provided by an authorized service center.
Features
• Designedtomeetfoodservicestandards
• Quickresponding,highaccuracy
• Large,easy-to-readbacklitLCDdisplay
• Userselectable°C,°F
• Min/Max/Avgfunctions
• RelativemodeandDatahold
• IP67ratedwaterproofhousing
• Lowbatteryindicatorandautoshutoff
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Specifications
MeasuringRange: -148to572°F(-100to300°C)
Resolution: 0.1°F/°C
Type: SingleInput,RTD
ResponseTime: 2x/second
Display: 31/2-digitLCD
BacklitDisplay: Yes
DataHold: Yes
Min: Yes
Max: Yes
Average: Yes
RelativeMode: Yes
AutoShut-off: Yes(after30minutes/off)
LowBatteryIndicator: Yes
PowerSupply: 3xAAABatteries
BatteryLife: Approx100hours(Alkaline)
ProductCertications: IP67,CE
OperatingTemperature: 32to104°F(0to40°C)
StorageTemperature: 14to140°F(-10to60°C)
OperatingHumidityRange: 10to90%
Dimensions: 5.9x2.6x1.2"(150x66x31mm)
Weight: 6.2oz(175g)
Range Specifications
Range Accuracy
-100~300°C ±(0.1%reading+0.4°C)
-148~572°F ±(0.1%reading+0.8°C)
Note: The basic accuracy specications does not include the error of
the RTD probe, refer to the RTD probe accuracy specications below for
additional details.
continued...
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Temperature Coefficient
Forambienttemperaturesfrom0to18°Cand28to50°C,foreach
temperaturereadingbelow18°Corabove28°Caddthefollowing
toleranceintotheaccuracyspecication:
0.01%ofreading+0.03°C(0.01%ofreading+0.06°F)
RTD Probe Accuracy Specifications (TP-R01)
Sensor Type Platinum resistance thermometer sensor Pt 100
(4wires)
Accuracy IEC, class A
±0.15°C±0.002measurementtemperature
MeasurementRange -100to400°C
Temp. Sensor Dim. ApproximatelyØ3.2mm(Ø0.125")
Temp.SensorLength Approximately120mm(4.72")
CableLength Approximately1100mm(43.3")
Water-Resistant EN60529:1991,IP67
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Instrument Description
C-370
9
1. PT00 Input Jack
2. LCDDisplay
3. Power Button
4. HOLDButton
5. MAX/MIN/AVGButton
6. Backlight Button
7. Relative Function Button
8. °C/°FButton
9. Battery Cover
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Display Description
1
8
10
11
9
2
3
4
6
7
5
1. Battery Power Indicator
2. TemperatureReading
3. Platinum Type Indicator
4. MinimumValueIndicator
5. MIN/MAX/AVGTemperature
Reading
6. MaximumValueIndicator
7. AverageValueIndicator
8. TemperatureUnitofMeasure
Indicator
9. RelativeModeIndicator
10. Data Hold Indicator
11. Auto Power Off Indicator
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8
Operating Instructions
Connecting the Pt100 RTD Probe (TP-R01)
Connect the Pt100 probe to the input jacks located at the top of the meter
as indicated below.
C-370
Connector Configuration
Source - Source +
NC
Sense + Sense -
Powering the Meter
To turn the meter on or off, press the POWER button.
continued...
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Selecting Temperature Unit of Measure
1. When the meter is rst powered on the default scale setting is set to
Celsius(°C).
2. Pressthe°C/°F button to toggle between Celsius and Fahrenheit.
Note: The meter will automatically save the selected unit when turned off
as the new default.
Taking Measurements
Once the meter has been setup
and the Pt100 probe has been
connected, place the temperature
probe in the area being tested.
Givethemeterseveralseconds
to stabilize. Read the temperature
measurementontheLCD.If"----"
appears on the display, either the
reading is out of range or the Pt100
probe is not connected or it may
be defective.
Note: The temperature sensor is
located at the tip of the Pt100
probe. To accurately test internal
temperatures, make sure the probe is inserted at a distance of at least 15
times the diameter of the metal sheath as indicated in the diagram.
Data Hold
1. Press the HOLD button to freeze the current reading on the display.
2. Pressthebuttonagaintoresumenormaloperation.
Note: When Data Hold is active the MAX/MIN/AVG, °C/°F and REL
buttons are disabled.
Backlight
PresstheBACKLIGHTbuttontoturntheLCDBacklightonandoff.
Note: The backlight will automatically turn off after 10 seconds.
continued...
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10
Relative Function
1. Press the REL button to store the current measurement.
2. Underthismode,themeterwilldisplaythedifferencebetweenany
new measurement and the stored measurement.
3. Press the RELbuttonagaintoexitRelativefunction.
MAX/MIN/AVG Function
When the buttonispressed,themeterwillentertheMAX/MIN/
AVGfunction.Underthisfunction,themaximumvalue,minimumvalue
and average values taken during the measurement process will appear on
the lower part of the display when selected.
Note: The average value is calculated using the last 8 readings in memory
and will update with every new reading.
1. The rst value to appear on the display in this function is the
Maximumvalueasindicatedbythe"MAX"symbolandisupdated
whenanewmaximumdatavaluehasbeentaken.
2. Pressthe buttonagainandtheMinimumvaluewillnow
appearonthedisplayasindicatedbythe"MIN"symbolandis
updated when a new minimum data value has been taken.
3. Press the button a third time and the Average value will now
appearonthedisplayasindicatedbythe"AVG"symbol.
4. Press the buttonafourthtimeandthe"MIN","MAX","AVG"
symbols will blink simultaneously while continuing to update the
readings in memory and can be viewed by returning to the appropriate
function. While in this function, the meter is displaying the current
measurement value only.
5. ToexittheMAX/MIN/AVGfunction,pressandholdthe button
for two seconds.
Note:WhenthemeterisinMAX/MIN/AVGfunction,the REL and °C/°F
buttons are disabled.
Auto Power Off
1. To preserve battery life, the meter is programmed to turn off after
30 minutes of inactivity.
continued...
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