DDBJ-350 Portable conductivity meter-Henan Hengte Technology Co., Ltd

DDBJ-350 Portable conductivity meter

The measurement principle of a portable conductivity meter is to apply an alternating voltage between the two plates of the conductivity electrode, causing ions in the solution to move under the action of an electric field and form a current.

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DDBJ-350 Technical Parameters

model number		DDBJ-350
Instrument level		Level 1.0
Measured parameters		Conductivity, resistivity, TDS, salinity value, temperature
conductivity	Scope	0.000μS/cm～500mS/cm
	Minimum resolution	0.001μS/cm，Automatic switching according to the range
	Electronic unit reference error	±1.0% FS
resistivity	Scope	5.00Ω・cm～20.00MΩ・cm
	Minimum resolution	0.01Ω・cm，Automatic switching according to the range
	Electronic unit reference error	±1.0% FS
TDS	Scope	0.00mg/L～300g/L
	Minimum resolution	0.01mg/L，Automatic switching according to the range
	Electronic unit reference error	±1.0% FS
salinity value	Scope	(0.00～8.00)%
	Minimum resolution	0.01%
	Electronic unit reference error	±0.2%
temperature	Scope	(-5.0～110.0)℃/(23-230)℉
	Minimum resolution	0.1℃/0.1℉
	Electronic unit reference error	±0.2℃/±0.36℉
power supply		Rechargeable lithium battery, power adapter (Input: AC100~240V, Output: DC5V)
size（mm），weight（kg）		80×225×35，0.4

Main Features

• Newly designed appearance with a large-screen LCD for clear and beautiful display

• Supports measurement of conductivity, TDS, resistivity, salinity, and temperature

• The instrument features automatic temperature compensation, automatic calibration, automatic range selection, and automatic frequency switching across the entire measurement range

• Supports multiple measurement modes, including continuous measurement mode, balance measurement mode, and timed measurement mode, with support for long timing or interval timing

• Supports multi-point conductivity calibration, up to 3 points. It can automatically recognize conductivity standard solutions, with 4 default GB standard solutions

• Can store 500 sets of measurement results each for conductivity, resistivity, TDS, and salinity, complying with GLP standards

• Supports multiple data review methods, allowing access to stored data by storage number or storage time, with review results displayed in a curve format

• Allows users to set user ID and sample ID

• Supports connection to an RS232 serial printer for direct printing of measurement results

• Supports connection to a PC via a USB interface, with dedicated software for data collection

• IP65 waterproof rating, with firmware upgrade function to allow instrument function expansion and meet personalized requirements