AMTAST AMT158

AMTAST AMT158 Portable Water Activity Meter User Manual

1. ആമുഖം

This manual provides detailed instructions for the AMTAST AMT158 Portable Water Activity Meter. It covers the product's features, technical specifications, proper setup, operational procedures, maintenance guidelines, and troubleshooting steps. Please read this manual thoroughly before using the device to ensure accurate measurements and safe operation.

2. ഉൽപ്പന്നം കഴിഞ്ഞുview

2.1 പ്രധാന സവിശേഷതകൾ

  • ഭാരം കുറഞ്ഞതും പോർട്ടബിൾ: Weighing approximately 275 grams, the meter is designed for easy transport and on-the-go testing.
  • Accurate & Reliable Measurements: Offers a measurement range of 0-1.0aw with a resolution of ±0.01aw and an accuracy of ±0.02aw for precise water activity analysis.
  • സംയോജിത സെൻസർ: Features a non-conductive humidity sensor and integrated readings within a single unit, simplifying the measurement process.
  • Quick Testing Process: Provides rapid results, completing water activity measurements within approximately 5 minutes.
  • Convenient Display & Functions: Equipped with a 6-digit backlit LCD screen displaying both water activity (aw) and temperature simultaneously. Includes automatic and manual shut-off options, and a low battery indicator.

2.2 ഘടകങ്ങൾ

The AMTAST AMT158 Water Activity Meter package typically includes the main unit (host), a sample plate, a portable carrying bag, and this instruction manual.

AMTAST AMT158 Water Activity Meter in a laboratory setting
ചിത്രം 1: AMTAST AMT158 Water Activity Meter in a laboratory setting, illustrating its function to measure free water activity for food and medicine preservation. The image also shows a sample plate, which is a key component.

3 സ്പെസിഫിക്കേഷനുകൾ

പരാമീറ്റർമൂല്യം
അളക്കൽ ശ്രേണി0 ~ 1.0aw
റെസലൂഷൻ±0.01aw
കൃത്യത±0.02aw
Sampലിംഗ് സമയം5 മിനിറ്റ്
പ്രവർത്തന താപനില0 ~ 50℃ (32 ~ 122℉)
പ്രവർത്തന ഹ്യുമിഡിറ്റി<95%RH (ഘനീഭവിപ്പിക്കാത്തത്)
വൈദ്യുതി വിതരണം2 x 1.5V AAA Size (UM-4) Battery
അളവുകൾ145 X77 30 മില്ലിമീറ്റർ (5.7 X3.0 1.2 ഇഞ്ച്)
ഭാരം (ബാറ്ററികൾ ഇല്ലാതെ)275 ഗ്രാം (0.61 പൗണ്ട്)
Diagram showing the dimensions and specifications of the AMTAST AMT158 Water Activity Meter
ചിത്രം 2: Diagram illustrating the physical dimensions (5.7 inches height, 3.0 inches width) and key technical specifications of the AMTAST AMT158 Water Activity Meter.

4. സജ്ജീകരണം

4.1 ബാറ്ററി ഇൻസ്റ്റാളേഷൻ

  1. ഉപകരണത്തിന്റെ പിൻഭാഗത്ത് ബാറ്ററി കമ്പാർട്ട്മെന്റ് കവർ കണ്ടെത്തുക.
  2. കവർ തുറക്കാൻ അത് സ്ലൈഡ് ചെയ്യുകയോ അൺക്ലിപ്പ് ചെയ്യുകയോ ചെയ്യുക.
  3. Insert two (2) 1.5V AAA (UM-4) batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
  4. ബാറ്ററി കമ്പാർട്ട്മെന്റ് കവർ സുരക്ഷിതമായി മാറ്റിസ്ഥാപിക്കുക.

കുറിപ്പ്: വ്യോമയാന സുരക്ഷാ ചട്ടങ്ങൾ കാരണം ബാറ്ററികൾ പാക്കേജിൽ ഉൾപ്പെടുത്തിയിട്ടില്ല.

Battery compartment and sensor of the AMTAST AMT158 Water Activity Meter
ചിത്രം 3: വിശദമായി view of the AMTAST AMT158 Water Activity Meter's battery compartment, showing where to insert the 2x1.5V AAA batteries, and the non-conductive humidity sensor.

4.2 പ്രാരംഭ പരിശോധന

Before first use, inspect the device for any visible damage. Ensure the sample plate is clean and free from debris. The sensor should also be clean and unobstructed.

5. ഓപ്പറേഷൻ

5.1 പവർ ഓൺ/ഓഫ്

  • To power on the device, press the power button (usually marked with a ⑂ symbol). The backlit LCD screen will illuminate.
  • The device features an automatic shut-off function to conserve battery power. To manually shut off the device, press and hold the power button until the display turns off.

5.2 ഒരു അളവ് എടുക്കുന്നു

  1. എസ് ഉറപ്പാക്കുകample plate is clean and dry.
  2. Place a small, representative sample of the material to be tested onto the sample plate. Ensure the sample covers the sensor area adequately without overflowing.
  3. Close the meter's lid or place the main unit onto the sample plate, ensuring a tight seal to create a closed environment for accurate measurement.
  4. The measurement process will begin automatically or may require a button press (refer to specific on-screen prompts if any). The device will typically take approximately 5 minutes to stabilize and display the final water activity (aw) and temperature readings.
  5. Once the reading is stable, record the displayed values.
  6. After measurement, remove the sample and clean the sample plate and sensor area immediately.
Close-up of the AMTAST AMT158 Water Activity Meter's backlit LCD screen
ചിത്രം 4: Close-up of the AMTAST AMT158 Water Activity Meter's backlit LCD screen, clearly displaying both the water activity (aw) value and the temperature.
AMTAST AMT158 Water Activity Meter emphasizing quick 5-minute measurement
ചിത്രം 5: The AMTAST AMT158 Water Activity Meter highlighting its quick and efficient measurement capability, completing tests within 5 minutes.

5.3 അപേക്ഷകൾ

The AMTAST AMT158 Water Activity Meter is suitable for measuring water activity in a wide range of products, including but not limited to:

  • Dried fruits and vegetables
  • Beef jerky and other dried meats
  • Baked goods like cookies
  • Sausages and processed meats
  • Grains, nuts, and spices
Collage of food items illustrating the wide application of the AMTAST AMT158 Water Activity Meter
ചിത്രം 6: A visual representation of various food products such as dried fruit, beef jerky, cookies, and sausage, demonstrating the broad utility of the AMTAST AMT158 Water Activity Meter in different food applications.

6. പരിപാലനം

6.1 വൃത്തിയാക്കൽ

  • After each use, carefully clean the sample plate and the area around the sensor with a soft, dry cloth.
  • Do not use abrasive cleaners or solvents, as these can damage the sensor or the device's casing.
  • Ensure no liquid enters the device's internal components.

6.2 സംഭരണം

Store the meter in a clean, dry environment, away from direct sunlight and extreme temperatures. When storing for extended periods, remove the batteries to prevent leakage.

6.3 ബാറ്ററി മാറ്റിസ്ഥാപിക്കൽ

When the low battery indicator appears on the display, replace both AAA batteries promptly to ensure continued accurate operation. Refer to Section 4.1 for battery installation instructions.

7. പ്രശ്‌നപരിഹാരം

പ്രശ്നംസാധ്യമായ കാരണംപരിഹാരം
ഉപകരണം പവർ ഓണാക്കുന്നില്ലമരിച്ചതോ തെറ്റായി ഇൻസ്റ്റാൾ ചെയ്തതോ ആയ ബാറ്ററികൾബാറ്ററി പോളാരിറ്റി പരിശോധിക്കുക; പുതിയ ബാറ്ററികൾ ഉപയോഗിച്ച് മാറ്റിസ്ഥാപിക്കുക.
കൃത്യമല്ലാത്തതോ പൊരുത്തമില്ലാത്തതോ ആയ വായനകൾ
  • സെൻസർ മലിനീകരണം
  • അനുചിതമായ എസ്ampലേ പ്ലെയ്സ്മെന്റ്
  • Device not calibrated (if applicable)
  • Environmental interference (temperature/humidity outside operating range)
  • സെൻസർ വൃത്തിയാക്കി എസ്ample plate thoroughly.
  • എസ് ഉറപ്പാക്കുകample covers the sensor and the lid is sealed.
  • If calibration is required, refer to specific calibration instructions (not covered in this general manual).
  • Ensure operating conditions are within specified ranges (0-50℃, <95%RH).
Display shows 'Low Battery'ബാറ്ററികൾ കുറവാണ്Replace both 1.5V AAA batteries.
ഉപകരണം തുടർച്ചയായി ബീപ് ചെയ്യുന്നുPossible internal error or battery issueRemove and reinsert batteries. If the issue persists, contact customer support.

8. വാറൻ്റിയും പിന്തുണയും

For warranty information, technical support, or service inquiries, please contact the manufacturer or your authorized dealer. Keep your purchase receipt as proof of purchase.

You can visit the official AMTAST store for more information: AMTAST Store on Amazon

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