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LabQuest® 2 Chemistry Packages


     LabQuest 2 Probe

     Key Features

  • Standalone and computer sensor interface with a touch screen
  • Compatible with all Vernier sensors
  • Large and high-resolution screen with portrait and landscape orientations
  • Fast data collection
  • Rechargeable, high-capacity battery
  • Compatible with Windows and Macintosh computers
  • Collect, analyze, and share sensor data wirelessly with iPad, Android devices, and Chromebooks
  • Free software updates

Stainless Steel Temperature Probe (x2)

  • Temperature range: –40 to 135°C (–40 to 275°F)
  • Maximum temperature that the sensor can tolerate without damage: 150°C
  • Typical Resolution:
    • 0.17°C (–40 to 0°C)
    • 0.03°C (0 to 40°C)
    • 0.1°C (40 to 100°C)
    • 0.25°C (100 to 135°C)
  • Temperature sensor: 20 kΩ NTC Thermistor
  • Accuracy: ±0.2°C at 0°C, ±0.5°C at 100°C
  • Response time (time for 90% change in reading):
    • 10 seconds (in water, with stirring)
    • 400 seconds (in still air)
    • 90 seconds (in moving air)
  • Probe dimensions:
    • Probe length (handle plus body): 15.5 cm
    • Stainless steel body: length 10.5 cm, diameter 4.0 mm
    • Probe handle: length 5.0 cm, diameter 1.25 cm

pH Sensor

  • Type: Sealed, gel-filled, epoxy body, Ag/AgCl
  • Shaft Diameter: 12 mm OD
  • Response time: 90% of final reading in 1 second
  • Temperature range: 5 to 80°C
  • Range: pH 0–14
  • Accuracy: +/- 0.2 pH units
  • Isopotential pH: pH 7 (point at which temperature has no effect)

Gas Pressure Sensor

  • Pressure Range: 0 to 210 kPa (0 to 2.1 atm or 0 to 1600 mm Hg)
  • Accuracy: ±4 kPa
  • Maximum pressure that the sensor can tolerate without permanent damage: 4 atm
  • Sensing Element: Honeywell SSCMRNN030PAAA5

Voltage Probe

Input voltage range: ± 10 V

Conductivity Probe

  • Range:
    • Low Range: 0 to 200 μS/cm (0 to 100 mg/L TDS)
    • Mid Range: 0 to 2000 μS/cm (0 to 1000 mg/L TDS)
    • High Range: 0 to 20,000 μS/cm (0 to 10,000 mg/L TDS)
  • Typical Resolution:
    • Low Range: 0.1 μS/cm (0.05 mg/L TDS)
    • Mid Range: 1 μS/cm (0.5 mg/L TDS)
    • High Range 10 μS/cm (5 mg/L TDS)
  • Accuracy using factory calibration:
    • ±8% of full-scale reading for low range
    • ±3% of full-scale reading for mid range
    • ±4% of full-scale reading for high range
  • Accuracy using custom calibration: ±2% of full-scale reading for each range
  • Response Time: 98% of full-scale reading in 5 seconds, 100% of full-scale in 15 seconds
  • Temperature Compensation: automatic from 5 to 35 °C
  • Temperature Range (can be placed in): 0 to 80 °C
  • Cell Constant: 1.0 cm-1
  • Description: ABS body, parallel carbon (graphite) electrodes
  • Dimensions: 12 mm OD and 150 mm length

Calorimeter

  • Range: 0 to 3 (absorbance)
  • Useful Range:
    • 0.05 to 1.0 (absorbance)
    • 90% to 10% transmittance (%T)
  • Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm
  • Typical Resolution: 0.035 %T
  • Supply voltage: 5VDC +/- 25 mV
  • Supply current: 40 mA (typical)
  • Power up time: 700 ms (maximum)
  • Output voltage range: 0 – 4 V
  • Transfer function: Vout = 0.035 x (%T) + 0

Drop Counter

  • Adjustable clamp, fits most laboratory ring stands and lattices
  • Wide drop-detecting area
  • Large sensor slot, fits most conventional stick-style sensors
  • Smaller, adjustable slot for temperature sensors
  • Accurate drop counting at rates up to 6 drops/second

 

 

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