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User's Guide

Moisture Content Meter

Plus Dew Point, Wet Bulb, and Thermocouple Temperature functions

SD Card real-time datalogger

Model SDL550

%RH

Moisture Content

Meter

SDL550

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Summary of Contents for SDL550

Page 1: ...User s Guide Moisture Content Meter Plus Dew Point Wet Bulb and Thermocouple Temperature functions SD Card real time datalogger Model SDL550 RH Moisture Content Meter SDL550 ...

Page 2: ...national Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information Meter Description 1 Thermocouple Temperature Probe input jack 2 Moisture Sensor input jack 3 Primary LCD Display digits 4 Unit of Measure for Primary Display 5 HOLD and Backlight key 6 MAX MIN key 7 SET and Clock key 8 PC interface jack 9 Reset button 10 Po...

Page 3: ...ng the backlight ON or OFF unless the beeper is disabled Moisture Content Sensor The supplied Moisture Content sensor connects to the meter via the DIN jack at the top right of the meter Note that the utility end of the sensor is located beneath the protective cap use great caution when removing the cap and when handling the sensor as the sensor head is extremely sharp The sensor uses an internal ...

Page 4: ...terial under test far enough to cover the sensor s openings 6 The meter will now display moisture content in RH on the primary upper LCD digits 7 The secondary lower LCD digits will show the temperature measured by the moisture probe s built in temperature sensor Use the Setup mode to change the temperature units of measure 8 Note that the probe uses a built in filter When the filter needs replaci...

Page 5: ...asure Data Hold To freeze a displayed reading on the LCD momentarily press the HOLD button the HOLD icon will appear above the reading To exit the Data Hold mode press the HOLD button again Max Min Reading Record For a given measurement session this meter can record the highest MAX and the lowest MIN readings for later recall 1 Press the MAX MIN button momentarily to access this mode of operation ...

Page 6: ...omatically switches out of the Setup mode if no key is pressed within 7 seconds 5 The available Setup parameters are listed below Additional detailed information is provided below this list dAtE Set the clock Year Month Date Hours Minutes Seconds SP t Set the datalogger sampling rate 0 to 3600 Seconds PoFF Automatic power off management Enable or disable the auto power off function bEEP Set the be...

Page 7: ...umerical Format comma or decimal European and USA numerical formats differ The meter defaults to USA mode where a decimal point is used to separate units from tenths i e 20 00 The European format uses a comma i e 20 00 to separate units from tenths To change this setting 1 Access the dEC parameter 2 Use the arrow buttons to select USA or EUro 3 Press ENTER to confirm setting 4 Press and hold the S...

Page 8: ... recommended that the card be formatted and the logger s clock set to allow for accurate date time stamping during datalogging sessions Refer to the Setup Mode section for SD card formatting and time date setting instructions European and USA numerical formats differ The data on the SD card can be formatted for either format The meter defaults to USA mode where a decimal point is used to separate ...

Page 9: ...Up to 99 spreadsheet documents each with 30 000 readings can be stored in this folder 7 When datalogging begins a new spreadsheet document named HTB01001 xls is created on the SD card in the HTB01 folder The data recorded will be placed in the HTB01001 xls document until 30 000 readings are reached 8 If the measurement session exceeds 30 000 readings a new document will be created HTB01002 xls whe...

Page 10: ...ing and holding the POWER key for at least 1 5 seconds If using the power adaptor unplug the adaptor and then plug it back in again to power the meter Battery Replacement and Disposal When the low battery icon appears on the LCD the batteries must be replaced Several hours of accurate readings are still possible in this condition however batteries should be replaced as soon as possible 1 Remove th...

Page 11: ...Display update rate Approx 1 second Data Output RS 232 USB PC computer interface Operating Temperature 0 to 50 C 32 to 122 F Operating Humidity 85 R H max Auto Power OFF After 10 minutes of inactivity can be disabled Power Supply Six 6 1 5 VDC batteries optional 9V AC adaptor Power Consumption Normal operation backlight datalogger OFF approx 3 5mAdc With backlight OFF and datalogging ON approx 28m...

Page 12: ...nds up to 1300 C 2372 F however thermocouple sensor ranges vary greatly be sure to select a thermocouple rated for the expected temperature measurement ranges Accuracy specified for meter only Thermocouple probes add additional measurement error The above specifications are tested under an environmental RF Field Strength lower than 3 V M and a frequency lower than 30 MHz Copyright 2011 Extech Inst...

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