About this item
Compact design for fast, convenient electrochemistry measurement at your fingertips.
- LCD display
- Four 1.5 V batteries (included)
- Easily replaceable electrodes
- Automatic shut-off
- Features a 3-point calibration
OHAUS® precision is now available in a line of pen meters that provide accurate measurement of pH, conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.
Model ST20M-B: Conductivity Range: 0 – 1999 μs/cm; 0.0 – 99.0 °C; pH Range: 0.00 – 14 pH; TDS Range: 0.0 – 1000 mg/L;
Model ST20M-C: Conductivity Range: 0 – 1999 μs/cm; 0.0 – 99.0 °C; pH Range: 0.00 – 14 pH; Salinity Range: 0.0 – 10.0 ppt
To order chemicals, medical devices, or other restricted products, please provide identification that includes your business name and shipping address via email [email protected] or fax 484.881.5997 referencing your VWR account number. Acceptable forms of identification are:
- • Issued document with your organization's Federal Tax ID Number
- • Government issued document with your organization's Resale Tax ID Number
- • Any other Government ID that includes the business name and address
Avantor will not lift restrictions for residential shipping addresses.
Specifications
- Catalog No:
- 470315-554
- 470315-552
- Model:
- ST20M-C
- ST20M-B
- pH range:
- 0.00 – 14.00
- 0.00 – 14.00
- pH resolution:
- 0.01
- 0.01
- pH accuracy:
- ± 0.05
- ± 0.05
- Conductivity range:
- 0.00 - 19.99 ms/cm
- 0 - 1999 μs/cm
- Conductivity resolution:
- 0.01 ms/cm
- 1 μs/cm
- Salinity range:
- 0.0 - 10.0 ppt
- Salinity resolution:
- 0.1 ppt
- Salinity accuracy:
- ±2.0 % F.S
- TDS range:
- 0.0 - 1000 mg/L
- TDS accuracy:
- ±2.0 % F.S
- Temperature range:
- 0.0...99.0 °C
- 0.0...99.0 °C
- Temperature accuracy:
- ± 0.5 °C
- Temperature compensation:
- Automatic
- Automatic
- Display:
- LCD
- LCD
- Power supply:
- 4 AG13 Batteries (Included)
- 4 AG13 Batteries (Included)
- IP rating:
- IP 67
- IP 67
- Calibration:
- 3-point
- 3-point
- W×D×H:
- 38×185×45 mm
- 38×185×45 mm
- Weight:
- 3.88 oz (110 g)
- 3.88 oz (110 g)
Specifications
Supplier: VWR International
Supplier: VWR International
Supplier: Corning
Supplier: VWR International
Supplier: VWR International
Supplier: BDH