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ชุดทดสอบสื่อการสอนด้านคุณภาพดิน (Backpack Lab Soil Quality Educational Test Kit)

HI 3896BP

Backpack Lab Soil Quality Educational Test Kit

          HANNA® introduces a second kit specifically assembled for the Educator and Environmental Science student. Using the popularHANNA® Agricultural Combination Test Kit, (HI 3895 and HI 3896), as its foundation, the Soil Quality Education Test Kit is designed to provide a complete unit for teachers and introduce students to important chemical tests for evaluating soil quality and fertility, and relate these measurements to the principles of plant metabolism. Tied together by an extensive Teacher’s Guide, this kit includes in-depth background information about each parameter, has classroom activities designed to introduce students to each parameter, and contains detailed field-testing procedures.

HANNA® Agricultural Combination Test Kit addresses important issues related to soil quality and modern agriculture practices. Real-world examples help students understand the relevance of macronutrients and other parameters in everyday life. This kit introduces the student to all major soil quality topics, and is presented in an easy-to-use format that makes lessons accessible, understandable and enjoyable.

Order Information:
Test kit includes:

  • – pHep 4: water-resistant pH/temperature tester by HANNA instruments
  • – DiST 5: water-resistant conductivity and TDS tester by HANNA instruments
  • – HANNA instruments. HI 145 digital thermometer
  • – Backpac-style carrying case which holds all the components of the kit
  • – Extensive teachers manual with a curriculum that meets the National Science Teachers Association Standard
  • – Overhead transparencies with summaries of each parameter
  • – Laminated instruction cards with step-by-step field test procedures
  • – Lab activity worksheets with instructions, goals, hypothesis, testing procedure results and comments
  • – A glossary of key terms for classroom display

Specifications

  • BACKPACK LAB™ Soil Quality Educational Test Kit
    PARAMETER CODE METHOD RANGE CHEMICAL
    METHOD
    NUMBER OF
    TESTS
    WEIGHT
    Nitrogen

    HI 3896

    Colorimetric

    Traces, low, medium, high

    Ned

    50

    1320 g

    Phosphorus

    Colorimetric

    Traces, low, medium, high

    Ascorbic acid

    50

    Potassium

    Turbidimetric

    Traces, low, medium, high

    Tetraphenylborate

    50

    pH

    Colorimetric

    4 to 9 pH (1 pH increments)

    pH indicators

    50

     
    HI 145-00
    SPECIFICATIONS RANGE RESOLUTION ACCURACY PROBE BATTERY LIFE WEIGHT
    Temperature

    -50.0 to 220°C

    0.1°C (-50.0 to 199.9°C)
    1°C (200 to 220°C)

    ±0.3°C (-20 to 90°C)
    ±0.4 F.S. (outside)

    Stainless steel,
    125 x 5mm (5 x 0.2″)

    approx. 10000
    hours

    65 g

    PHEP®4
    PARAMETER CODE RANGE RESOLUTION ACCURACY CALIBRATION BATTERY LIFE WEIGHT
    pH

    HI 98127

    -2.0 to 16.0 pH

    0.1

    ±0.1

    Automatic

    approx. 300 hours

    85 g

    Temperature

    -5.0 to 60.0°C

    0.1°C

    ±0.5°C

     
    DiST®5
    PARAMETER CODE RANGE RESOLUTION ACCURACY CALIBRATION BATTERY LIFE WEIGHT
    EC

    HI 98311

    0 to 3999 µS/cm

    1 µS/cm

    ±2% F.S.

    Automatic

    approx. 100 hours

    85 g

    TDS

    0 to 2000 ppm

    1 ppm

    ±2% F.S.

    Temperature

    0.0 to 60.0°C

    0.1°C

    ±0.5°C

     
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    โทร. 081-847-6768, 02-191-3928 แฟ็กซ์. 02-191-3929 


    คุณโทณิวัฒน์ 085-811-4779 , คุณนารีรัตน์ 085-814-9653

    E-mail : info@highents.com , IDline: @alltestkit

     

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