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Nunes Instruments offers Agriculture Instruments. It includes Digital Seed Moisture Meter, Phosphate Checker NI, Water Purity Tester, Portable Plant Nutrition Analyser, Portable Living Leaf Area Meter, Chlorophyll Meter, etc.
Digital Seed Moisture Meter
Technical Specifications:
  • Confirms to IS-8824-Part-I-1978
  • Calibrated & tested as per IS
  • Measuring Range: 00.0% to 40.0% Moisture
  • Sensitivity: + 0.1%
  • Accuracy: + 0.2%
  • Power consumption: 0.03 watts approx
  • Power requirement: Four pencil cells
  • Samples size: 250 C.C. approximately
  • Size in mm: 125 H X 150 W X 210 D approx
  • Weight of the meter: Less than one Kilogram
  • Measurement time: one sample per minute

Salient Features:
  • Automatic inbuilt temperature compensation provided
  • “LOBAT” / “BAT” indication on display if pencil cells are weak
  • ABS Molded body for rugged used in field & for longer life
  • No mechanical moving parts hence no wear & tear and maintenance free operation for long duration

Phosphate Checker NI
  • Easier to use and more accurate than chemical test kits
  • Adaptation of Standard Method 4500-P E Accuracy 4% ±0.04 ppm (mg/L) of reading 0.04 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off
  • Dedicated to a single parameter
  • Designed to work with powder reagents Uses 10 mL glass cuvettes
  • Small Size, Big Convenience

  • Range 0.00 to 2.50 ppm (mg/L)
  • Resolution: 0.01 ppm (mg/L)
  • Precision: ±0.04 ppm (mg/L) ±4% of reading @ 25°C
  • Light Source: LED @ 525 nm
  • Light Detector: Silicon photocell
  • Environment: 0 to 50°C (32 to 122°F) RH max 95% non-condensing
  • Battery Type: (1) 1.5V AAA
  • Auto-off: After 2 minutes of non-use and after read
  • Dimensions 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5")
  • Weight: 64 g (2.25 oz.)
  • Method: Adaptation of Standard Method 4500-P E

Package includes:
  • Checker HC
  • sample cuvettes with caps
  • powder reagents for phosphate
  • 1.5V AAA battery

Chlorophyll Meter
  • Measures leaf chlorophyll, an important indicator of plant health.The SPAD-502Plus performs quick measurement. Non-destructive measurement of plant chlorophyll
  • Enables quick, easy measurement of the chlorophyll content of plant leaves without damaging the leaf. Chlorophyll content is one indicator of plant health, and can be used to optimise the timing and quantity of applying additional fertilizer to provide larger crop yields of higher quality with lower environmental load
  • Quick, easy measurement of chlorophyll levels in plant leaves without damaging the leaf
  • Optical density diff at two wavelengths
  • 2mm x 3mm
  • 1.2mm Max
  • 12mm (with stopper having position adjustable from 01 to 6mm)
  • 2 LED elements
  • 1 SPD (silicon photodiode)
  • LCD panel showing 4-digit measurement value (values shown to first decimal place) and 2-digit number of measurements; Trend graph of values in memory can also be shown
  • -9.9 to 199 SPAD units

Portable Living Leaf Area Meter
  • Leaf Area Meter test the leaves on the tree, without damage
  • Measure leaf area, average area, length, width and ratio

  • Measuring range: leaf area, average area, length of leaf, width of leaf, perimeter and ratio of Length and width
  • Test unit: Millimetre, square millimetre
  • Precision: +2%
  • Length: ?1000mm
  • Width: ?160mm
  • Thickness: ?8mm
  • Stored datum: 200Groups
  • Battery:6v

Portable Plant Nutrition Analyser
Product description:
  • Plant chlorophyll, nitrogen content and moisture content are important nutrition and .They’re important basis for plant fertilization and irrigation

  • Have Automatic and Manual measurement pattern
  • View past stored data, show three parameters at the same time
  • The computer can transfer wired or wireless data so as to manage and analyse
  • Show results. Clear and have backlight function
  • Easy to store data ,directly show stored data
  • s rapid determination:Test plant chlorophyll, nitrogen and moisture at the same time
  • Non-destructive test plant quickly, not to effect plant growth
  • Use near infrared spectroscopy ,test leaf chlorophyll, nitrogen and moisture content by near-infrared spectrum non-destructive testing. Can non-destructive test three plant nutrition and growth physiology information

  • Water Purity Tester
    Order Information: HI 98308 (PWT) is supplied with protective cap, calibration screwdriver, batteries and instructions.
    • Range: 0.0 to 99.9 µS/cm
    • Resolution: 0.1 µS/cm
    • Accuracy: ±2% F.S
    • Calibration: manual, 1 point
    • Temperature Compensation: automatic, 0 to 50°C (32 to 122°F)
    • Battery Type / Life: 4 x 1.5V / approx. 250 hours of continuous use
    • Environment: 0 to 50°C (32 to 122°F); RH max 95%
    • Dimensions: 175 x 41 x 23 mm (6.9 x 1.6 x 0.9")
    • Weight: 95 g (3.4 oz.)

    Nunes Instruments