9615 SW Allen Blvd. Suite 104 Beaverton, OR 97005 General Guidelines: Always allow the 597 sufficient time to acclimate to the test environ- ment especially when moving from room to room. Always store and operate the 597 within the temperature and humidity limits outlined in the specifications area of this manual.
4. Keypad Functions Turns the instrument ON and OFF. Freezes the displayed reading. When hold is active “DH” is dis- HOLD played. Switches the displayed temperature reading between Celsius and °C °F Fahrenheit. Toggles the record feature ON and OFF. When record is active “REC”...
5. Operating Instructions 1. Press the key to turn the 597 on. 2. Humidity will be displayed in the upper portion of the display and temper- ature will be displayed in the bottom portion of the display. Relative humidity (RH) dis- played in percent.
3. Open Microsoft Hyper Terminal (or other serial program) and set the COM port as shown below. a. Baud Rate: 9600 b. Data Bits: c. Parity: None d. Stop Bits: e. Flow Control: None 4. The TPI 597 will stream data in ASCII format with an update rate of approximately 5 seconds.
3. Replace the battery. 4. Install the battery compartment door and tighten the screw. Put the protec- tive boot back on the unit. 9. Care & Cleaning Clean the 597 with a soft lint free cloth. Do not attempt to clean the sensor.
10. Specifications Display: Dual display LCD with annunciators Measurement Range and Accuracy Humidity: Range: 0% to 100% (Temp: 32°F to 122°F / 0°C to 50°C) Accuracy: 30% to 85% = +/-(2% of rdg + 2%RH) ( 59°F to 104°F / 15°C to 40°C) <30% and >85% = +/-3%RH ( 59°F to 104°F / 15°C to 40°C) +/-5% RH at temperatures <59°F (15°C) or >104°F (40°C) Resolution: 0.1% RH...
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