Specifications - Hach Sension 156 Manual

Portable multiparameter meter
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SPECIFICATIONS

General Specifications
Specifications subject to change without notice.
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: >10
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), chemical-
resistant, dust proof; meter will float. Docking station is water-
resistant to IP40.
9
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ohms

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