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Ohaus Starter Pen Meters for Conductivity and TDS Measurements

Ohaus Starter Pen Meters for Conductivity and TDS Measurements
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10+

2 options available below

Accessories
Product Details

When you are looking for accurate results anywhere and anytime, look no further than the OHAUS Starter Series of pen meters designed for education.

  • Wrist strap prevents unintentional dropping
  • Waterproof design
  • Protective cap
  • Aligned with GLOBE protocols

They're simple, fast, and straightforward.

With durable plastic housing, a protective cap that safeguards the sensor, and an automatic shutdown feature to preserve battery life, the Starter pen meters can endure consistent use in rugged environments.

Documents

Documents

Specifications for Product Family

Specifications

  • Catalog No:
  • 470020-234
  • 470020-260
  • 470020-264
  • 470020-270
  • 470020-274
  • 470020-282
  • Model:
  • ST10C-A
  • ST10C-B
  • ST20C-A
  • ST20C-B
  • ST20C-C
  • ST20T-A
  • Conductivity Range:
  • 0.00 - 199.9 μs/cm
  • 0 - 1999 μs/cm
  • 0.00 - 199.9 μs/cm
  • 0 - 1999 μs/cm
  • 0.00 - 19.99 ms/cm
  • －
  • Conductivity Resolution:
  • 0.1 μS/cm
  • 1 μS/cm
  • 0.1 μS/cm
  • 1 μs/cm
  • 10 μS/cm
  • －
  • Conductivity Accuracy:
  • ±2.5% FS
  • ±2.5% FS
  • ±1.5 % FS
  • ±1.5 % FS
  • ±1.5 % FS
  • －
  • Conductivity Calibration:
  • －
  • －
  • 1 Point
  • 1 Point
  • 1 Point
  • －
  • TDS Range:
  • －
  • －
  • －
  • －
  • －
  • 0.0 - 100.0 mg/L
  • TDS Resolution:
  • －
  • －
  • －
  • －
  • －
  • 0.1 mg/L
  • TDS Accuracy:
  • －
  • －
  • －
  • －
  • －
  • ±1.5 % FS
  • Temperature Range:
  • －
  • －
  • 0.0...99.0 °C
  • 0.0...99.0 °C
  • 0.0...99.0 °C
  • 0.0...99.0 °C
  • Temperature Accuracy:
  • －
  • －
  • ±0.5 °C
  • ±0.5 °C
  • ±0.5 °C
  • ±0.5 °C
  • Temperature Compensation:
  • －
  • －
  • Automatic
  • Automatic
  • Automatic
  • Automatic
  • Battery Life:
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • Power supply:
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • Display:
  • Single, LCD
  • Single, LCD
  • Dual, LCD
  • Dual, LCD
  • Dual, LCD
  • Dual, LCD
  • IP Rating:
  • IP 67
  • IP 67
  • IP 67
  • IP 67
  • IP 67
  • IP 67
  • Dimensions:
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • Weight:
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)

Specifications

Catalog No
  • 7
  • 7
  • 7
  • 7
  • 7
  • 7
    • Model
  • ST10C-A
  • ST10C-B
  • ST20C-A
  • ST20C-B
  • ST20C-C
  • ST20T-A
    • Conductivity Range
  • 0.00 - 199.9 μs/cm
  • 0 - 1999 μs/cm
  • 0.00 - 199.9 μs/cm
  • 0 - 1999 μs/cm
  • 0.00 - 19.99 ms/cm
  • －
    • Conductivity Resolution
  • 0.1 μS/cm
  • 1 μS/cm
  • 0.1 μS/cm
  • 1 μs/cm
  • 10 μS/cm
  • －
    • Conductivity Accuracy
  • ±2.5% FS
  • ±2.5% FS
  • ±1.5 % FS
  • ±1.5 % FS
  • ±1.5 % FS
  • －
    • Conductivity Calibration
  • －
  • －
  • 1 Point
  • 1 Point
  • 1 Point
  • －
    • TDS Range
  • －
  • －
  • －
  • －
  • －
  • 0.0 - 100.0 mg/L
    • TDS Resolution
  • －
  • －
  • －
  • －
  • －
  • 0.1 mg/L
    • TDS Accuracy
  • －
  • －
  • －
  • －
  • －
  • ±1.5 % FS
    • Temperature Range
  • －
  • －
  • 0.0...99.0 °C
  • 0.0...99.0 °C
  • 0.0...99.0 °C
  • 0.0...99.0 °C
    • Temperature Accuracy
  • －
  • －
  • ±0.5 °C
  • ±0.5 °C
  • ±0.5 °C
  • ±0.5 °C
    • Temperature Compensation
  • －
  • －
  • Automatic
  • Automatic
  • Automatic
  • Automatic
    • Battery Life
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
  • 200 hours with disposable batteries
    • Power supply
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
  • 4 AG13 Batteries (Included)
    • Display
  • Single, LCD
  • Single, LCD
  • Dual, LCD
  • Dual, LCD
  • Dual, LCD
  • Dual, LCD
    • IP Rating
  • IP 67
  • IP 67
  • IP 67
  • IP 67
  • IP 67
  • IP 67
    • Dimensions
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
  • 38L×185H×45W mm (1.5×7.28×1.77")
    • Weight
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
  • 110 g (3.88 oz.)
    • Product Family Options

    Product Information

    • Availability
      Price
    • 470020-234
      ST10C-A: Conductivity pen meter
      ST10C-A: Conductivity pen meter
      Log in for availability
      Log in for availability
      Each
      Each - $111.30
      $111.30
      Each
         $111.30
      Supplier Number: 30073972
      Specifications:
      More
      Specifications
      Cat. No.
      470020-234
      Model
      ST10C-A
      Conductivity Range
      0.00 - 199.9 μs/cm
      Conductivity Resolution
      0.1 μS/cm
      Conductivity Accuracy
      ±2.5% FS
      Conductivity Calibration
      －
      TDS Range
      －
      TDS Resolution
      －
      TDS Accuracy
      －
      Temperature Range
      －
      Temperature Accuracy
      －
      Temperature Compensation
      －
      Battery Life
      200 hours with disposable batteries
      Power supply
      4 AG13 Batteries (Included)
      Display
      Single, LCD
      IP Rating
      IP 67
      Dimensions
      38L×185H×45W mm (1.5×7.28×1.77")
      Weight
      110 g (3.88 oz.)
    • 470020-264
      ST20C-A: Conductivity pen meter with temperature display
      ST20C-A: Conductivity pen meter with temperature display
      Log in for availability
      Log in for availability
      Each
      Each - $163.55
      $163.55
      Each
         $163.55
      Supplier Number: 30073975
      Specifications:
      More
      Specifications
      Cat. No.
      470020-264
      Model
      ST20C-A
      Conductivity Range
      0.00 - 199.9 μs/cm
      Conductivity Resolution
      0.1 μS/cm
      Conductivity Accuracy
      ±1.5 % FS
      Conductivity Calibration
      1 Point
      TDS Range
      －
      TDS Resolution
      －
      TDS Accuracy
      －
      Temperature Range
      0.0...99.0 °C
      Temperature Accuracy
      ±0.5 °C
      Temperature Compensation
      Automatic
      Battery Life
      200 hours with disposable batteries
      Power supply
      4 AG13 Batteries (Included)
      Display
      Dual, LCD
      IP Rating
      IP 67
      Dimensions
      38L×185H×45W mm (1.5×7.28×1.77")
      Weight
      110 g (3.88 oz.)
    Accessories

    Product Information

    • For use with
      Availability
      Price
    • 470020-392
      CT20C: Replacement Electrode
      CT20C: Replacement Electrode
      ST20C-C, ST20S
      Log in for availability
      Log in for availability
      Each
      Each - $85.70
      $85.70