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GL900 USER'S MANUAL - Graphtec

GL900 USER'S MANUAL - Graphtec

Checks and Preparation

Checks and Preparation 2.10 Connecting the Humidity Sensor (Option) Connect the + and - lead wires of the humidity sensor (the B-530 option) to the desired terminals, and then insert the round connector into the 5V OUT connector on the GL900. Humidity sensor (B-530: option) Connect to the 5V OUT terminal Brown White Humidity sensor CAUTION Do not use the sensor in a strong electrolyte envronment. Measured results may not satisfy to the stated. 2-14

Checks and Preparation 2.11 Precautions to Observe When Performing Measurement Please be sure to read the following carefully in order to prevent electric shocks or shorts. DANGER • Do not apply voltage of 60 Vp-p or above between the analog input-terminal and main unit (GND terminal), or between analog input-terminals. • Be sure to use only the AC adapter provided as a standard accessory. The rated power supply range for the adapter is 100 to 240 VAC, and the rated frequency is 50/60 Hz. Do not use any other voltages. Direct voltage input Thermocouple input Direct current input Direct voltage Compensation copper wire Direct current Shunt resistor Example: If 4-20 mA is used, connect a 250 Ω (±0.1%) resistor and measure it in the 1-5 V range. CAUTION Make sure that the GL900 is not pulled by signal input cables when you connect them. The GL900 may fall down if it is pulled. 2-15

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