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Summary of Contents for SATO SK-170GT
- Page 1 INSTRUCTION MANUAL No. 8312-00 Heat Stress Monitor Model SK-170GT (JIS Conformed)
- Page 2 Introduction Thank you for purchasing the Heat Stress Monitor Model SK-170GT. This product measures WBGT index*, air temperature, globe temperature, and humidity. Do not use it for other purposes. * The WBGT (Wet Bulb Globe Temperature) index is a general heat stress index used in ISO 7243 Hot environments - Estimation of the heat stress on working man, based on the WBGT index and its application in Japan, JIS Z8504.
- Page 3 Please contact a distributor or us for repairs or calibrations. Overview The SK-170GT is a portable heat stress monitor which can measure globe temperature, air temperature and relative humidity at the same time. From the measured values, this instrument can calculate the WBGT index which is used as a preventive measure for a heat stress and a guideline for proper working environment.
- Page 4 Alarm function A buzzer sounds when the WBGT index reaches the limit set in advance. Auto power-off function Shuts down automatically in 20 minutes to save the battery. Transmittable with RS232C Optional RS232C cable is available to send data to a PC for real-time monitoring.
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Page 5: Names Of Components
Names of Components Main Unit Buzzer Speaker Hole for RS232C Tripod Cable Jack Battery Compartment ① Display Measured values and state of the main unit are displayed. Section * Refer to “LCD Display” for details ② POWER On/off key ③ HOLD Press this key to hold a measured value shown on the LCD. - Page 6 ⑧ Sensing Temperature and humidity sensors are inside of this section. Section ⑨ Cover for This cover protects sensors from dirt and stains. Turn it to open or Sensing close the sensing section. Section Be sure to open the cover when measuring. Keep it closed when not in use.
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Page 7: How To Measure
Loading and Replacing Battery ① Use a positive screwdriver to loosen the screw on the battery compartment. ② Remove the old battery if replacing the battery. ③ Set a new 9VDC Battery 6F22 (006P) with correct polarity (+ and −) marked inside the battery compartment. - Page 8 ⑤ Press the POWER key to end the measurement. Note: Always close the sensing section for storing. Notice: If the LCD behaviors differently from the usual such as it blinks the measured value or switches the shown data, it is possible that the instrument is in maintenance mode. Turn off the power and reboot in such a case.
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Page 9: Hold Function
⑤ Press the SET key for more than 2 seconds to fix the value and return to measurement mode. Note: The previously set value of wind speed will be resumed when the instrument is powered off without determining the set value. Estimating wind speeds with visual clues Wind speed Visual clues... -
Page 10: Alarm Function
Maximum and Minimum Functions Maximum (MAX) and minimum (MIN) measurement values can be displayed while taking measurement. ① Press the MN/MX/RST key in the measurement mode. The display changes cyclically. Measurement mode ② Press the MN/MX/RST key for more than 2 seconds to reset the MIN/MAX values. They can be also cleared by turning the power off. -
Page 11: Real-Time Communication
Real-Time Communication The SK-170GT outputs measured data with RS232C signals in real time under the measurement mode. An optional RS232C cable enables to download the measured data (WBGT, air temperature, globe temperature, and humidity) to a PC for saving and analyzing. -
Page 12: Error Displays
Reference The Wet Bulb Globe Temperature (WBGT) is a composite temperature used to estimate the effect of temperature, humidity and solar radiation (globe temperature) on humans. It is used by industrial hygienist, athletes and the military to determine appropriate exposure levels to high temperatures. -
Page 13: Troubleshooting
Troubleshooting Trouble Possible cause Solution The power cannot be turned The battery is Replace with a new battery. exhausted. WBGT exceeds the Refer to “Alarm Function.” set alarm value. An error code is The buzzer sounds. displayed in one of Refer to “Error Displays.”... -
Page 14: Specifications
Specifications Catalog No.: No. 8312-00 Model: SK-170GT Measuring Range: WBGT Index: 0.0 to 50.0°C Air Temperature: 0.0 to 50.0°C Globe Temperature: 0.0 to 80.0°C (Converted to temperature of a globe with a diameter of 150 mm) Humidity: 10.0 to 95.0%rh... -
Page 15: Optional Accessories
Optional Accessories No. 7687-90 RS232C cable 1.5 m (Model PH33) No. 8310-10 Spare globe (Model GTS-01) No. 8310-20 Shield plate from radiant No. 8310-90 Tripod (Model ZF-400WSH) Warranty Policy Our products are warranted to be free from defects in materials and workmanship for a period of one year from the date of shipment. - Page 16 3-4, Kanda-kajicho, Chiyoda-ku, Tokyo 101-0045 Japan https://www.sksato.co.jp/en/...
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