Summary of Contents for SATO KEIRYOKI SK-500B
- Page 1 Instruction Manual No. 7630-00 Digital Barometer Model SK-500B 3-4, Kanda-kajicho, Chiyoda-ku, Tokyo 101-0045 Japan URL: http://www.sksato.co.jp/english/ V. R01E...
- Page 2 - Read this manual thoroughly before using. Keep the manual in a safe place for future references whenever necessary. Warning The SK-500B is not explosion-proof. Never use it in an atmosphere containing flammable gases. Beware of explosion! There is a risk of explosion. Take extreme care.
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Page 3: Safety Precautions
Overview The SK-500B is a desktop type digital barometer using a piezo resistance pressure sensor. The standard functions include the display of computed maximum and minimum values, RS-232C or printer output and monitoring with upper and lower limit alarms. Features •... -
Page 4: Names Of Components
Names of Components Front view Rear view ① Display : Displays measured values or the status of the unit. ② POWER key : Used to turn on or off the unit. ③ MAX/MIN/▲ key : Used to switch between the MAX or MIN function. Used to increase the setting values in the setting mode. -
Page 5: How To Use
How to use 1. Installation SK-500B is an indoor use desk-top digital barometer. Install the equipment horizontally avoiding the places as below. In flammable gas, explosive gas and corrosive gas A place subject to direct sunlight and near heaters ... - Page 6 Connection: SK-500B – Personal computer (serial connecting terminal) Personal computer: Serial connecting terminal (D-sub 9 pin, male) Connector: D-sub 9 pin, female Connector: Attached RS-232C cable (crossing) D-sub 9 pin, female Connection: SK-500B - Personal computer (USB connecting terminal) Personal computer: USB connecting terminal ...
- Page 7 2-3. Alarm output ports These ports are used to connect an external alarm device. The unit uses a relay contact for its alarm output. The devices to be connected must meet the following conditions: Maximum rating: Load voltage : 280 VAC/VDC Max. Continuous load current: 100 mA Be sure to make the correct connection by referring to the figure below.
- Page 8 3. Turning on the unit After completing the necessary connections to the unit and external devices, press the POWER key to turn on the unit. The self-diagnosis function checks the system, and then the measuring operation starts. The system is checked for 3 seconds (self-diagnosis).
- Page 9 5. Function and Setting 5-1. Measuring mode: This mode is for measuring atmospheric pressure. (Upon power-on, the unit enters the measuring mode.) ○ AVG function This function displays the moving average value per 10 data items. When the AVG function is set to ON, the AVG light turns on and the following functions are operated based on the moving average values.
- Page 10 ① Press the REL key in the measuring mode. The REL light turns on to indicate that the measured value is set to "0.00". ② To cancel, press the REL key again. The REL light goes out to indicate that the unit has returned to the measuring mode. Note: The REL function is also cancelled under the following conditions: - When the unit is turned off - When the unit enters the setting mode...
- Page 11 ○ RS-232C/Printer output The measured values can be output to the computer or dedicated printer through the RS-232C serial output. For setting the RS-232C/Printer output, refer to "Setting mode" on page 10. Note: When using the dedicated printer, first turn on the unit and then turn on the printer. If the printer is turned on before the unit, an abnormal value could be printed as the first output value.
- Page 12 [Flow chart for Setting Mode] The measurement mode Display measured value MODE Key Setting mode ▲ / ▼ Key ▲ / ▼ ▲ / ▼ Key ENTER Key ENTER Key ENTER Key ENTER Key Set ON or OFF Set ON or OFF for Select serial output Set the year H (upper) alarm RS-232C or printer ENTER Key...
- Page 13 ○ Alarm setting: Set the upper and lower limit alarm values separately. Default setting (factory default) : OFF Alarm setting range : 600 to 1100 hPa Alarm setting unit : 1 hPa Note: The lower limit value must be less than the upper limit value. ①...
- Page 14 The month digits are flashing. Use the ▲ or ▼ key to set the month, and then press the ENTER key. Then, set the day, hour and minute in this order. Note: In the SK-500B, the "second" is automatically set to "0" at the moment the "minute" setting is confirmed (ENTER key is pressed). 6. Communications The specifications of RS-232C/Printer output are as follows.
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Page 15: Error Message
Calibration For maintain the accurate measurement, we recommend to calibrate the unit on a regular basis. Contact us on the calibration. Error message Code Description Action Measured value exceeds the upper limit of the display range Measured value exceeds the lower Use within the measuring range limit of the display range Measured value is abnormal... -
Page 16: Specifications
USB serial cable (with CD-ROM for USB driver) x 1 * The specifications or appearance subject to change for improvement with or without notice Exclusive Printer (Option) Cat. No. No. 7630-00 Printer for SK-500B Digital barometer Operation ambient 0 to 40°C, 30 to 80%rh (No condensing) Power requirements...
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