Portable ph meter

Model：FT-SS3

Brand：fengtu

Portable ph meter Designed for outdoor applications to measure the pH of water, the instrument is known for its accuracy and reliability, especially for outdoor applications....

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1. Portable ph meter product introduction

Portable ph meter Designed for outdoor applications to measure the pH of water, the instrument is known for its accuracy and reliability, especially for outdoor applications.The SS3 model Portable ph meter is an electrode method water quality analysis instrument that uses fully digital electrode detection to detect water quality PH parameters.The instrument is equipped with the self-developed ftiot operating system, which is simple to operate, has stable performance, accurate measurement, and wide detection range.It has a built-in high-capacity rechargeable lithium battery, making it convenient for users to conduct water quality testing at any time in the field or laboratory.

2.Portable ph meter host parameters

Charging input voltage	4.5V-5.5V
Charging current	<2A
screen size	3.5 inches
screen resolution	480*800☆
screen interface	MIPI DSI☆
USB interface	2 (Supports external expansion of mouse, keyboard, 4G, etc.)☆
Type-C	1 (Supports external expansion of mouse, keyboard, 4G, etc.)☆
RS485	2 (Supports Modbus, json, asc input, etc.)
External sensor supply voltage	12V
External sensor supply current	1A
operating system	ftiot (based on Linux-5.4)☆
CPU	2*Cotex-A7, 650Mhz☆
RAM	512M DDR3☆
Flash	8G-64G
OpenGL	ES 2.0☆
Wifi	support
4G	Optional
button	support
capacitive touch screen	support
software architecture	B/S☆
web access	Support☆
MTP mode	Support☆
Multiple terminal login	Support☆
IPV6	Support☆
Sensor communication method	RS485, TCP, UDP, HTTP☆
Data forwarding method	RS485, TCP, UDP, HTTP☆
Remote SSH	Support☆
remote debugging	Support☆

3.Portable ph meter sensor parameters and configuration

serial number	name	Measuring range	principle	Measurement accuracy	Configuration	Remark
1	temperature	0~50℃	High-precision digital sensor	±0.3℃	✔
2	pH	0~14(ph)	Electrochemistry (Salt Bridge)	±0.1PH	✔
3	ORP	-1500mv~1500mv	Electrochemistry (Salt Bridge)	±6mv
4	Conductivity	0~5000uS/cm,0~10000uS/cm	contact electrode method	±1.5%
5	TDS	0～20μS/cm (TDS 0-10mg/L)	contact electrode method	±1.5%
6	salinity	0-2.5ppt or 0-80ppt	contact electrode method	±0.05ppt or ±1ppt
7	Sludge concentration	0～20.000g/L	scattered light method	±5% (depending on sludge homogeneity)
8	Turbidity	0~40NTU (low turbidity)	scattered light method	±1%		Optional
		0~1000NTU (medium turbidity)	scattered light method	±1%
		0~3000NTU (high turbidity)	scattered light method	±1%
9	Dissolved oxygen	0~20mg/L	fluorescence lifetime method	±2%
10	Ammonia nitrogen	0~100mg/l	Ion selective electrode method	±1mg
11	suspended solids	0~2000mg/L	scattered light method	±5% (depending on sludge homogeneity)
12	Residual chlorine	0~5.00mg/L	Ion selective electrode method	±5% of reading		The accuracy is best when the flow rate is 0.42m/s-0.85m/s.
13	Chloride ions	0-3500.0mg/L	Ion selective electrode method	±5%
14	Total hardness	0～1000.0mg/L	Ion selective electrode method	±10% of reading
15	cod	0~500mg/L	UV254 absorption method	±5%		COD and chlorophyll are equipped with automatic cleaners to prevent biological adhesion and avoid light window pollution to ensure long-term monitoring is still stable; the automatic cleaning time and cleaning frequency can be set, and the power consumption is 0.7W
16	Chlorophyll	0~400ug/L	Fluorescence method	R2>0.999