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Delta Educational Supplies Limited
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  • $737.65 +
    Waterproof Multi-Parameter Tester PCSTEST35 – pH/Conductivity/TDS/Salinity/Temp
    The Eutech PCSTEST35 is a premium waterproof multi-parameter tester measuring pH, conductivity, TDS, salinity, and temperature with fast ATC response. Designed for school labs, environmental fieldwork, and aquaculture, it delivers accurate multi-range readings with simple one-press parameter switchi...
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  • $509.90 +
    Waterproof Multi-Parameter Tester PCTEST35 – pH/Conductivity/Temp
    The Eutech PCTEST35 is a durable waterproof tester that measures pH, conductivity, and temperature with fast ATC response. Ideal for science labs, field studies, and aquaculture, it offers accurate multi-range measurement and easy one-press parameter switching.Key Features- Measures three parameters...
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  • $612.95 +
    Waterproof Multi-Parameter Tester PTTEST35 – pH/TDS/Temp
    The Eutech PTTEST35 is a waterproof handheld tester designed to measure pH, TDS, and temperature with fast ATC response. Reliable and student-friendly, it suits classroom water studies, aquaculture, and routine field testing.Key Features- Measures three parameters: pH, TDS & Temperature- No sensor c...
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  • $20 +
    Rain Gauge - Sprinkler
    The sprinkler direct reading rain gauge is ideal for controlled watering in your garden. Record any rainfall and record how much you apply using sprinklers. The conical reservoir has a sturdy spike at the base - spike it into the ground and the water level can be clearly read from the side of the sc...
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  • $28 +
    Rain Gauge 250mm
    The Cylinder Rain Gauge features a small inner cylinder for accurately measuring up to 25mm of rainfall. Easy to install with supplied mounting bracket- Measures up to 250mm of rainfall- Small inner cylinder is highly accurate with 1mm increments- Large outer cylinder allows for extra heavy rainfall- High impact plastic constructions for outdoor durability- Rust free
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  • $32.50 +
    Mineral Set
    Students learn to identify these 15 common minerals by observing and testing their physical properties. Activity guide, magnifying glass, streak plate, and nail includedKit contains the following minerals:- Flourite- Feldspar var. Microline- Hematite- Pyrite- Quartz var. Milky- Calcite- Mica var. Mu...
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  • $36.50 +
    Streak Plates White - Pack 10
    These white Streak Plates 1" x 2" made of unglazed Porcelain are ideal for streak testing of minerals.Pack: 10.
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  • $66.90 +
    World Political Globe 25cm
    Globe with a sturdy base. Political countries shown in different colours, time zones displayed. Rotatable.
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  • $737.65 +
    Waterproof Multi-Parameter Water Tester PCSTEST35
    Introducing the Eutech Testr 35 Series: With the new Eutech Testr 35 series, multi-parameter measurement is a breeze. Convenient, fast and simple, all you need to do is dip, measure and scan through up to five parameters with the press of a button. No complicated operating procedures; no need to cha...
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  • $509.90 +
    Waterproof Multi-Parameter Water Tester PCTEST35
    Introducing the Eutech Testr 35 Series: With the new Eutech Testr 35 series, multi-parameter measurement is a breeze. Convenient, fast and simple, all you need to do is dip, measure and scan through up to five parameters with the press of a button. No complicated operating procedures; no need to cha...
    Buy from Store 0 0
  • $612.95 +
    Waterproof Multi-Parameter Water Tester PTTEST35
    Introducing the Eutech Testr 35 Series: With the new Eutech Testr 35 series, multi-parameter measurement is a breeze. Convenient, fast and simple, all you need to do is dip, measure and scan through the parameters with the press of a button. No complicated operating procedures; no need to change sen...
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  • $13.70 +
    Choice Chamber
    The an essential tool for investigating behavioral responses of small organisms to environmental stimuli. Perfect for use in biology and science classrooms, this apparatus enables students and researchers to observe how environmental factors such as light, temperature, humidity, or substrate type in...
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