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Summary of Contents for Extech Instruments SDL900
- Page 1 USER GUIDE AC/DC Magnetic Meter Model SDL900 ...
- Page 2 EXTECH INSTRUMENTS Introduction Thank you for selecting the Extech Instruments Model SDL900. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) to check for the latest version of this User Guide, Product Updates, and Customer Support. Features Wide range of applications for industrial, mechanical, material, electrical, laboratory, and field use DC and AC magnetic field measurements North and South pole indicator ...
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Page 3: Meter Description
EXTECH INSTRUMENTS Meter Description Probe Connection LCD Display HOLD Button POWER Button SET Button RANGE / Up Arrow Button FUNCTION / Down Arrow Button ENTER / LOG Button MAX / MIN Button 10. RS‐232 Output Terminal (Side) 11. Reset Button (Side) 12. DC 9V Power Adapter Input Socket (Side) 13. Tilt stand and Battery compartment (Back) Probe Probe Sensing Head Probe Handle Probe Plug Probe Head Cover SDL900‐en‐GB_V1.4 5/15 ... -
Page 4: Operation
Contact and press the testing material to the probe head (see Fig 1). The display will show the magnetic field value along with the measurement unit (mT or G). Figure 1 When the meter is powered ON, the display may show a non‐zero value; this is because of Note: environmental interference. Before taking a measurement, set the probe at the optimum position. To Zero the display, press and hold the ▲ and ▼ buttons until the display shows the “0” value and the display flashes the ZERO indicator. The meter is now zeroed. Data Hold During the measurements, press the HOLD button to freeze a displayed reading. The measured value will be held and the LCD will display the HOLD symbol. Press the HOLD button again to release the data hold function. SDL900‐en‐GB_V1.4 5/15 ... -
Page 5: Set Mode
After all six parameters are set, press the ENTER button to save the settings. Note: The SDL900 internal battery allows the internal clock to run precisely, even after it is switched OFF (as long as the battery is fresh). Set Sampling Time ... -
Page 6: Auto Power Off Management
“,” comma symbol. Use the ▲ and ▼ buttons to select USA or EURO. Selecting USA enables the decimal point format. Selecting EURO enables the comma format. Press the ENTER button to save the setting. SD Memory Card Format When the LCD displays SD‐F, press the ENTER button. Use the ▲ and ▼ buttons to select YES or NO. Selecting YES allows the SD card to be formatted. Selecting NO skips the formatting utility. If YES is selected, press the ENTER button to confirm that the SD memory card will be formatted. Confirming will clear all of the existing SD card data and the formatting utility will run. Selecting Units of Magnetic Field When the LCD displays UNIT, press the ENTER button. Use the ▲ and ▼ buttons to select mT or G. If mT is selected, the magnetic field units will be set to milli‐Tesla. If G is selected, the magnetic field units will be set to Gauss. Press the ENTER button to save the setting. SDL900‐en‐GB_V1.4 5/15 ... -
Page 7: Datalogger Mode
EXTECH INSTRUMENTS Datalogger Mode Preparation for the Datalogger Function Insert the SD card into the SD card socket. If the SD card has never been used with the SDL900, please format it (see the section titled “SD Memory Card Format” in the Set Mode above). Note: It is strongly recommended that memory cards be formatted by the SDL900. If the SD card has problems use a computer to reformat the SD card and try again. If this is the first time the meter is being used, set the Date and Time (see the section “Set the Clock Time and Date” in the Set Mode above). Automatic Datalogging Select the sampling time (rate) as described in the Set Mode section above to a value other than zero. Press and hold the LOG button for 2 seconds. The meter will flash the DATALOGGER icon at the selected sampling rate, indicating that readings are now being automatically recorded to the SD card. If a card is not inserted or if the card is defective, the meter will display ‘EMPTY’ and exit the DATALOGGER mode. In this case, switch the meter OFF and try again with a valid SD card. Pause the datalogger by pressing the LOG button momentarily. The DATALOGGER icon will stop flashing and the sample rate will display for a short time. To resume logging simply press the LOG button again. To terminate the datalogging session press and hold the LOG button for at least 2 seconds. When an SD card is used for the first time a folder is created on the card and named MGA01. Up to 99 spreadsheet documents (each with 30,000 readings) can be stored in this folder. When datalogging begins, a new spreadsheet document named MGA01001.xls is created on the SD card in the MGA01 folder. The data recorded will be placed in the MGA01001.xls document until 30,000 readings are reached. If the measurement session exceeds 30,000 readings, a new document will be created (MGA01002.xls) where another 30,000 readings can be stored. This method continues for up to 99 documents, after which another folder is created (MGA02) where another 99 spreadsheet documents can be stored. This process continues in this same fashion with folders MGA03 through MGA10 (last allowable folder). SDL900‐en‐GB_V1.4 5/15 ... -
Page 8: Ac Power Adaptor
For Manual Datalogging, the sampling rate must be first set to ‘0’ seconds as described in the Set Mode section above. Press and hold the LOG button for at least 2 seconds and the DATALOGGER icon will appear on the LCD; the lower portion of the display will show p‐n (n = memory location number 1‐99). Momentarily press the LOG button to store a reading. The DATALOGGER icon will flash each time a data point is stored. Use the ▲ and ▼ buttons to select one of the 99 data memory positions in which to record. To exit the manual datalogging mode, press and hold the LOG button for at least 2 seconds. The DATALOGGER icon will switch off. Spreadsheet data example RS‐232/USB PC Interface For streaming of data to a PC via the RS232 Output jack, the optional 407001‐USB kit (RS232 to USB cable and driver CD) along with the 407001 software (available free at www.extech.com/instruments) are required. AC Power Adaptor This meter is normally powered by six (6) 1.5V ‘AA’ batteries. An optional 9V power adaptor is available. When the adaptor is used, the meter is permanently powered and the power button will be disabled. SDL900‐en‐GB_V1.4 5/15 ... -
Page 9: Battery Replacement
All EU users are legally bound by the battery ordinance to return all used batteries to collection points in the community or wherever batteries / accumulators are sold! Disposal in the household garbage is prohibited! SDL900‐en‐GB_V1.4 5/15 ... -
Page 10: Specifications
Frequency Response AC Measurement: 50 Hz / 60 Hz Sensor Hall Sensor Datalogger Sampling Time Auto 1 second to 3600 seconds (with the sampling rate and Setting Range set to ‘1’ second some data points could be lost) Manual Push data logger button to save data (set to ‘0’ seconds) Data error number ≤ 0.1 % no. of total saved data typically Field Direction Uniaxial Display Sampling Time Approx. 1 second Operating Temperature 0 to 50°C (32 to 122 °F) Operating Humidity Less than 85% R.H. Data Output RS 232/USB PC serial interface Power Supply 6 x Alkaline or Heavy duty 1.5 V AA batteries SDL900‐en‐GB_V1.4 5/15 ... - Page 11 EXTECH INSTRUMENTS DC 9V adapter input (optional) Power Current Normal Operation (SD card not saving data and backlight OFF): Approx. 13 mA DC When SD card is saving data and the backlight is OFF: Approx. 35 mA DC. *If the backlight is on, the power consumption increases by approximately 3 mA. Weight (meter and probe) 303g (10.7 oz.) Dimensions Main Instrument: 182 x 73 x 47.5 mm (7.1 x 2.9 x 1.9”) Probe: 195 x 25 x 19 mm (7.68 x 0.98 x 0.75 in.) Copyright © 2015 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form www.extech.com SDL900‐en‐GB_V1.4 5/15 ...
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