SATO SK-L750 Instruction Manual
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SATO SK-L750 Instruction Manual

SATO SK-L750 Instruction Manual

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Instruction manual
SK-L750 Series Dataloggers
No. 8800-00 Model SK-L751
(Temperature Measurement)
No. 8870-00 Model SK-L754
(Temperature/Humidity Measurement)

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Summary of Contents for SATO SK-L750

  • Page 1 Instruction manual SK-L750 Series Dataloggers No. 8800-00 Model SK-L751 (Temperature Measurement) No. 8870-00 Model SK-L754 (Temperature/Humidity Measurement)

  • Page 2: Safety Precautions

    ・ Read this manual thoroughly before using. Keep the manual in a safe place for future references whenever necessary. WARNING The SK-L750 Series Dataloggers are not explosion-proof. Never use it in an atmosphere containing flammable gases. Beware of explosion! Should you have any questions, please consult with us or the shop where the unit was purchased.
  • Page 3 and vaper. ・Model SK-L751 Datalogger is waterproof. However, when AC adaptor is connected, it becomes not waterproof. Use batteries if it is used in a place splashing water. ・Install the datalogger with care not to drop. ・If this unit is used in an environment where electrical noise is generated, the display may become unstable or the measurement error may increase.
  • Page 4 Disclaimer We, Sato Keiryoki Mfg. Co., Ltd., check for general operation performance of the program, however we do not guarantee for those under all possible situations. We do not take any responsibilities on any damages caused directly or indirectly by this program.
  • Page 5 Overview The SK-L750 Series Dataloggers are the devices that log and store data of temperature and/or humidity. By using the dedicated software, you can monitor the environment and analysis the collected data on a computer. Features ⃝Storage of up to 16,000 data items Up to 16,000 data items can be logged in the datalogger and the logged data can be copied to microSD card.

  • Page 6: What's In The Box

    What's in the Box? Check the box contents. If you find any item missing, please contact us or the store where you purchased this product. □ Datalogger □ AA size alkaline battery □ Software program CD-ROM □ USB cable □ Instruction Manual * MicroSD card is not attached.
  • Page 7 1. Names of Section 　Front view Model SK-L751 Model SK-L754 ② ① 　Rear view ⑦ ⑧ ⑤ ⑥ ④ ③ ①　Probe connector ②　Key operation section ③　Port for AC adapter/USB cable ④　Battery cover ⑤　MicroSD card slot ⑥　Reset switch 　　* Resets power (used at malfunctioning)
  • Page 8 ⑦　Wall-mount hooks Pull out these to hang the unit on the wall ⑧　Measurement unit switch Switch the temperature unit ℃ or ℉ (1:℉, 2: ℃) This switch is not usable during measurement. Set when the power is off and the unit switched will be reflected at the next startup...
  • Page 9 LCD Display ① ⑪ ⑤ ② ③ ⑦ ⑧ ④ ⑨ ⑩ ⑥ ① Measurement display Measured values and set values are indicated ② Measurement channel is indicated. ③ Lights up during an alarm is set. The［ALM］flashes while the alarm is activated, and［Hi］or［Lo］ flashes when the measured value exceeds or falls the alarm set value ④...
  • Page 10 ⑥ Data memory bar graph The number of lit segments increases as the number of logged data items increases. When the number reaches 16000, the［Full］lights up. ⑦ Flashes while in standby for preset start. ⑧ Lights up when the date and time is displayed. ⑨...
  • Page 11 Key operation section ⑥ ② ③ ⑤ ① ④ ① Power key Press this key for at least one second to turn on or off the unit. Upon powered on, all the indicators on the LCD will light up to indicate that the unit has entered measurement mode.
  • Page 12 Standard probes 　Model SK-L751-1 Temperature probe SK-L754-1 Temp/Hum. probe ① ② ①　Sensor section ②　Connector ③　Sensor cord ② 　Model SK-L751-2 Temperature probe 　Model SK-L754-2 ① ③ 　　　　　Temp/Hum. probe...
  • Page 13 2. Preparation ① Installing the batteries When using the unit for the first time or when the low battery indicator is flashing, install batteries or replace the batteries with new ones as described below. Note that you can use the AC adapter (option) connected to a USB port. When the AC adapter is connected to the unit with the batteries installed, the power will be supplied from the AC adapter under normal conditions, and will switch to using the batteries as a backup in case of a problem...
  • Page 14 Cautions ⃝Replacement batteries must be new and of the same type. Mixed use of different types or new and old batteries may cause an explosion or leakage. ⃝Do not dispose of used batteries in a fire. Doing so could cause the batteries to explode, resulting in injuries or burns.
  • Page 15 of the plug-in type probe. If a probe is connected only to CH2, logging cannot be started. Be sure to connect the probe to CH1 first. ⇨ ③ Connecting to the PC 　　Connect the unit to the computer using the provided USB cable. 　　...
  • Page 16 3. Functions 3. Functions Performance Performance The following operations are performed with each key although each setting is The following operations are performed with each key although each setting is done with dedicated done with dedicated software. software. Setting Mode REC Key Preset MODE Key...
  • Page 17 ① Measurement mode 　　 Measures the ambient air and displays the results on the LCD. 　　 Connect the probes and press the power key for at least one second so that all indicators light up and the measured values are displayed. ⇨...
  • Page 18 ・Default Settings 　The default settings are as follows. Set each setting with the dedicated software according to your usage. Item Setting 000000 Year/Month/Date 2018.1.1 Time 0:00 Logging interval 1 minute Logging option Once CH1 Upper alarm CH1 Lower alarm CH2 Upper alarm CH2 Lower alarm Preset start Key-lock...
  • Page 19 ・Display of year, month, date, hour and minute 　Displays the year, month, date, hour and minute set in the unit. ⇨ Before starting the unit for the first time, set the current date and time using the dedicated software. ・Display of logging interval The logging interval set in the unit is displayed.
  • Page 20 For each logging option, refer to “Logging Option” - You can set the interval by operating the key on the unit. Every time the［SET］key is pressed, the display toggles among the logging options. Press the［REC］key when the desired logging option is displayed to confirm it.
  • Page 21 When the alarm is set to ON, the［ALM］indicator in the LCD lights up while in measurement mode. - It only indicates ON or OFF; the alarm setting value is not displayed. The alarm setting values can be specified by using the dedicated software. The［SET］key on the unit can be used only to set to ON or OFF.
  • Page 22 Pressing the［SET］key during logging causes the unit to log while displaying the current values measured. Note: If the unit displays the measured values while logging, the battery runs out faster. ④ Copying to SD mode 　　Copies the logged data to a microSD card. To start copying, press and hold the［OUT］key for at least two seconds.
  • Page 23 Notes: If the preset start is set to ON, the logged data in the unit is automatically deleted. Save any necessary data before setting the preset start to ON. If any abnormality, such as low battery or disconnection of the probe, is detected while in standby for preset start, the unit automatically ends logging after logging once at the preset start time.

  • Page 24: Operation Procedure

    4. Operation procedure Operation procedure of the datalogger is as follows. Perform each setting and operation with the dedicated software. Power ON Displays measured value Setting the ID Setting current Date and Time Setting logging interval Setting logging option Setting Alarm Setting preset start Logging start Preset start...
  • Page 25 The table below shows the operations performed by the datalogger and the software. Datalogger Software Turning datalogger ON or OFF Setting the ID Year, Month and Date Time Logging interval Logging option Alarm ON or OFF Alarm setting value Preset start ON or OFF Preset Date and Time Real-time Key-lock...

  • Page 26: Logging Option

    5. Logging option The datalogger has four logging options. Select the desired logging option as necessary. ・Once The unit keeps logging until the memory becomes full. The unit stops logging when the number of logged data reaches 16000. Start Stop Max.16000 data ・Repeatedly The unit overwrites the existing data from the start once the memory becomes...
  • Page 27 Each page can contain up to 4000 data items. Page 1 Page 2 Page 3 Page 4 Start Start Start Start Max.4000 data per page Page 1 Page 2 Page 3 Page 4 ● Number of lit segments and number of logged data items １ to 2000 2001 to 4000 4001 to 6000...

  • Page 28: Alarm Operation

    6. Alarm operation If the measured value exceeds the alarm setting value (Hi) or falls short of the alarm setting value (Lo),  the［ALM］and［Hi］or［Lo］  (depending on the setting) indicators will flash and the ALARM light will light up. If the measured value falls back within the range of the setting values, the ［Hi］ or［Lo］indicator and the ALARM light go off.
  • Page 29 8. AC Adapter When you use an AC adapter other than our option, select the one with the specifications below. <Secondary output> Voltage: 5VDC Current: Plug: USB Mini-B...

  • Page 30: Error Message

    9. Error Message The error codes below will be shown on the display section. Error code Causes Remedy Measured value is higher Bring the value within the measuring range. than display range. Measured value is lower than display range. Measured value exceeds Bring the value within the measuring range.

  • Page 31: Specifications

    8. Specifications SK-L751 SK-L754 Model Temperature measurement type Temperature/humidity measurement type Cat. No. 8800-00 8870-00 2 channels for temperature 1 channel each for temperature Measuring channel & humidity Measuring range Depends on the probe connected Resolution 0.1℃ 0.1℃ / 0.1%rh ±0.2℃ (0 to 40℃) Temp: ±0.2℃ (0 to 40℃) ±0.3℃ (other range)
  • Page 32 Remarks * Use a commercial memory that has been formatted. SK-L750 Series Dataloggers support only FAT32 format. NTFS format cannot be used. We have checked the operation with microSD cards below. ・BUFFALO: 16GB/32GB RMSD-Y016U1A/RMSD-Y032U1A ・ELECOM: 16GB/32GB MF-RUMSD16GL/MF-RUMSD32GL ・SanDisk: 16GB/32GB SDSDQUL-16G-J35A/SDSDQUL-32G-J35A * The batteries attached are for monitoring purpose and the battery life may be shorter than standard.

  • Page 33: Warranty Policy

    WARRANTY POLICY Our products are warranted to be free from defects in materials and workmanship for a period of one year from date of delivery. If repair or adjustment is necessary and has not been the result of abuse or misuse within the one-year-period, please return the units on - Freight Prepaid - basis and correction of the defect will be made without charges.

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