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HACH SensION156 Portable pH/Conductivity Meter













Overview:

Hach sensION156 Meter provides measurements for pH, Dissolved Oxygen, Conductivity, TDS, Salinity and Temperature. Includes Gel-Filled pH electrode and Conductivity probe. Can calibrate with either NaCl or KCl. 1, 2 or 3 point quick pH calibration procedure. User-activated calibration review, time and date stamps for GLP. Backlit screen for easy night-time sampling. Resolution to 0.1, 0.01, 0.001; for the right accuracy when you need it. Measures/compensates temperature in °C or °F. Built-in barometer for DO samples. Automatic buffer recognition with 4.01, 6.86, 7.00 and 10.01 buffers. Many color-coded buffers to choose from. Floatable and Watertight IP67-rated seal.


Features:


Specifications:

Display: Custom LCD

Inputs:

(1) 5-pin Hach pH/mV/temperature probe connector

(1) 5-pin Hach conductivity or dissolved oxygen probe connector

Outputs: RS232 via Docking Station

Power requirements:

Meter: 4 AA alkaline batteries or via Docking Station

Docking Station: 6–12 V dc; use either Hach-supplied 115

or 230 V, 50/60 Hz external power supply or a

customer-provided supply with 50 mA output, 5.5-mm power

plug with a 2.5 mm center post (positive).

Input impedance: >10l2 ohms

Installation Category: II (for 115V and 230V external

power supplies)

Environmental Requirements: 0–50 °C at 85% non-condensing

relative humidity

Meter dimensions: 21.2 x 8.7 x 4.2 cm (8.35 x 3.43 x 1.65 inches)

Enclosure: Waterproof (designed to meet IP67), chemicalresistant,

dust proof; meter will float. Docking station is waterresistant

to IP40.

pH Mode

Range:-2.00–19.99

Resolution (selectable): 0.001/0.01/0.1

Slope (meter allowable): 48–65 mV/decade

Instrument Drift: <40 μV/°C

Input Bias Current: -1 pico amp ≤ input bias ≤ 1 pico amp at

25 °C; ±4 picoamp over full range

Millivolt Mode

Range: -2000–2000 mV

Resolution: 0.1 mV

Accuracy (meter only): ±0.2 mV or ±0.15% of the reading,

whichever is greater

Temperature

Range: -10.0–110 °C

Resolution: 0.1 °C

Accuracy: ±0.3 °C from 0–70 °C; ±1.0 °C from 70–110 °C

Conductivity Mode

Range: 0–19.99 μS; 20–199.9 μS/cm; 200–1999 μS/cm;

2–19.99 mS/cm; 20–199.9 mS/cm

TDS: 0–50,000 mg/L as NaCl

Salinity: 0–42 ppt (‰)

Temperature: -10–105 °C

Resolution:

Conductivity:

0.00–19.99 μS/cm 0.01 μS/cm

20.0–199.9 μS/cm 0.1 μS/cm

200–1999 μS/cm 1 μS/cm

2.00–19.99 mS/cm 0.01 mS/cm

20.0–199.9 mS/cm 0.1 mS/cm

TDS:

0.00–199.9 mg/L 0.1 mg/L

200–1999 mg/L 1 mg/L

2.00–19.99 g/L 0.01 g/L

20.0–50 g/L 0.1 g/L

Salinity:

0.1 ppt (‰)

Temperature

±0.1 °C

Accuracy:

Conductivity: ±0.5% of range

TDS: ±0.5% of full scale

Salinity: ±0.1 ppt (-2 to 35°C)

Temperature: ±0.3 °C from 0–70 °C;

±1.0 °C from 70–110 °C

Conversion Factor for TDS: automatic or user adjustable

Temperature Compensation:

Manual (user selected coefficient, % per °C) or

Automatic (non-linear based on NaCl solutions)

Dissolved Oxygen Mode

Range: 0–20 mg/L (ppm), 0–200% sat.

Accuracy: ±1% full scale

Temperature: 0–50 °C

Resolution:

Oxygen Concentration: 0.01 or 0.1 ppm (mg/L)

% Saturation: 0.1%

Temperature: 0.1 °C

Instrument drift: < 1%/day



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