1. تعارف
This manual provides detailed instructions for the proper use and maintenance of your Traceable Calibrated Thermohygrometer with RS-232. This device is designed for accurate measurement of temperature and humidity, featuring microprocessor-based technology for easy calibration and an RS-232 output for data communication. For optimal performance and longevity, please read these instructions thoroughly before operation.

Image 1: The Traceable Calibrated Thermohygrometer. The device features a digital display showing humidity and temperature, with several control buttons below. A probe is connected via a coiled cable.
2. خاصيتون
- Accurately measures temperature and relative humidity.
- Includes a NIST-Traceable certificate from an A2LA accredited calibration laboratory (1750.01), ensuring measurement accuracy.
- Microprocessor-based design facilitates quick and straightforward calibration procedures.
- Equipped with RS-232 output for data transmission to compatible systems.
3. دٻي ۾ ڇا آهي
Upon unpacking, verify that the following items are present:
- Traceable Calibrated Thermohygrometer unit
- Humidity/Temperature Probe
- NIST-Traceable Calibration Certificate
- ھدايت وارو دستور
4. سيٽ اپ
- بيٽري لڳائڻ: Open the battery compartment (typically on the back of the unit) and insert the required batteries, observing correct polarity.
- تحقيق ڪنيڪشن: Connect the humidity/temperature probe to the designated port on the main unit. Ensure a secure connection.
- شروعاتي پاور آن: کي دٻايو ON button to power on the device. The display should illuminate and show initial readings.
- Unit Selection (if applicable): If your model allows, select your preferred temperature unit (Celsius or Fahrenheit) using the ° سي / ° ايف بٽڻ
- لڳائڻ: Position the thermohygrometer in the environment where measurements are required. Ensure the probe is exposed to the air and not obstructed.
5. آپريٽنگ هدايتون
5.1 بنيادي آپريشن
- پاور آن / آف: کي دٻايو ON button to turn the unit on. Press the بند ان کي بند ڪرڻ لاءِ بٽڻ.
- پڙهائي ڊسپلي: The display will show current relative humidity (RH%) and temperature (°C/°F).
- درجه حرارت يونٽ: Toggle between Celsius (°C) and Fahrenheit (°F) by pressing the ° سي / ° ايف بٽڻ
- ڊيٽا هولڊ: کي دٻايو رکو button to freeze the current readings on the display. Press again to release.
- Minimum/Maximum Readings: کي دٻايو منٽ / وڌ بٽڻ ڏانهن view the minimum and maximum temperature and humidity readings recorded since the last reset. Press repeatedly to cycle through MIN, MAX, and current readings.
- Reset MIN/MAX: جڏهن ته viewing MIN/MAX readings, press the ري سيٽ ڪريو button to clear the stored minimum and maximum values.
5.2 RS-232 Output
The device is equipped with an RS-232 port for connecting to a computer or data logger. This allows for real-time data acquisition and analysis. Refer to the specific software or interface instructions for your data collection system for details on establishing communication and data transfer protocols.

Image 2: A hand in a blue glove interacting with a Traceable device, demonstrating typical laboratory use. This image illustrates the practical application of Traceable instruments in a controlled environment.
6. سار سنڀال
- صفائي: Wipe the unit and probe with a soft, damp ڪپڙو. استعمال نه ڪريو abrasive cleaners يا solvents.
- بيٽري مٽائڻ: Replace batteries when the low battery indicator appears on the display. Ensure proper battery type and polarity.
- اسٽوريج: When not in use for extended periods, remove the batteries and store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- ٻيهر ترتيب ڏيڻ: Due to the nature of humidity sensors, periodic recalibration is recommended to maintain accuracy. Refer to the NIST-Traceable certificate for recommended recalibration intervals.
7. مسئلا حل ڪرڻ
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| ڪابه ڊسپلي يا ڪمزور ڊسپلي ناهي | Dead or weak batteries; incorrect battery installation. | بيٽرين کي نئين سان تبديل ڪريو، صحيح پولارٽي کي يقيني بڻائي. |
| غلط پڙھڻ | Sensor contamination; need for recalibration; probe not properly connected. | Clean the probe gently; perform recalibration; ensure probe is securely connected. |
| RS-232 communication failure | Incorrect cable; software settings mismatch; port issue. | Verify cable connection and type; check software communication settings (baud rate, parity); try a different USB/serial port. |
8. وضاحتون
| پيرا ميٽر | قدر |
|---|---|
| ماڊل نمبر | B07R5N7QYS |
| ٺاهيندڙ | COLE-PARMER |
| حساب ڪتاب | NIST-Traceable (A2LA accredited 1750.01) |
| انٽرفيس | RS-232 |
| تاريخ پهرين دستياب | اپريل 29، 2019 |
9. وارنٽي ۽ سپورٽ
For warranty information and technical support, please contact the manufacturer, Cole-Parmer, or your authorized distributor. Keep your purchase receipt and NIST-Traceable certificate for reference.
ٺاهيندڙ: COLE-PARMER
برانڊ: خطي سان
وڌيڪ مدد لاء، دورو ڪريو جي Traceable Brand Store on Amazon.





