1. הקדמה
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. פֿעיִקייטן
- 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. וואָס איז אין דער קעסטל
Upon unpacking, verify that the following items are present:
- Traceable Calibrated Thermohygrometer unit
- Humidity/Temperature Probe
- NIST-Traceable Calibration Certificate
- ינסטראַקשאַנז מאַנואַל
4. סעטאַפּ
- ייַנמאָנטירונג פון באַטאַרייע: Open the battery compartment (typically on the back of the unit) and insert the required batteries, observing correct polarity.
- פּראָבע קשר: Connect the humidity/temperature probe to the designated port on the main unit. Ensure a secure connection.
- ערשט מאַכט אויף: דרוק די ON button to power on the device. The display should illuminate and show initial readings.
- איינהייט אויסוואל (אויב נויטיק): If your model allows, select your preferred temperature unit (Celsius or Fahrenheit) using the ° C / ° F קנעפּל.
- אָרט: Position the thermohygrometer in the environment where measurements are required. Ensure the probe is exposed to the air and not obstructed.
5. אַפּערייטינג ינסטרוקטיאָנס
5.1 יקערדיק אָפּעראַציע
- מאַכט אויף / אַוועק: דרוק די ON button to turn the unit on. Press the OFF קנעפּל צו קער עס אַוועק.
- לייענען ווייַז: The display will show current relative humidity (RH%) and temperature (°C/°F).
- טעמפּעראַטור אַפּאַראַט: Toggle between Celsius (°C) and Fahrenheit (°F) by pressing the ° C / ° F קנעפּל.
- דאַטן האַלטן: דרוק די האַלטן קנעפּל צו איינפֿרירן די איצטיקע מעסטונגען אויף דער אַרויסווייַזונג. דריק ווידער צו באַפֿרײַען.
- Minimum/Maximum Readings: דרוק די MIN / MAX קנעפּל צו 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: בשעת viewing MIN/MAX readings, press the באַשטעטיק 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. וישאַלט
- רייניקונג: Wipe the unit and probe with a soft, damp שטאָף. דו זאלסט נישט נוצן אַברייסיוו קלינערז אָדער סאָלוואַנץ.
- באַטערי פאַרבייַט: Replace batteries when the low battery indicator appears on the display. Ensure proper battery type and polarity.
- סטאָרידזש: 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.
- רעקאַליבראַטיאָן: 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. טראָובלעשאָאָטינג
| פּראָבלעם | מעגלעך סיבה | לייזונג |
|---|---|---|
| קיין דיספּלעי אָדער שוואַך דיספּלעי | Dead or weak batteries; incorrect battery installation. | פאַרבייַטן באַטעריז מיט נייַ אָנעס, ינשורינג ריכטיק פּאָולעראַטי. |
| ומפּינקטלעך רידינגז | 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. ספּעסאַפאַקיישאַנז
| פּאַראַמעטער | ווערט |
|---|---|
| מאָדעל נומער | B07R5N7QYS |
| פאַבריקאַנט | קאָול-פּאַרמער |
| קאַלאַבריישאַן | NIST-Traceable (A2LA accredited 1750.01) |
| צובינד | רס-232 |
| ערשטער דאַטע בנימצא | 29 אפריל 2019 |
9. וואָראַנטי און שטיצן
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.
פאַבריקאַנט: קאָול-פּאַרמער
סאָרט: טרייסאַבאַל
פֿאַר ווייַטער הילף, באַזוכן די Traceable Brand Store on Amazon.