The Truth About TDS Meters: Debunking Common Myths

The Truth About TDS Meters: Debunking Common Myths

ROC-2315 ro controller instruction (220V)
Model	ROC-2315
Single detection	Dry Contact input	Raw water no water protection
(six channels)		Low-pressure protection
		High-pressure protection
		Pure water tank high level
		External control mode signal
		Running reset
Control port	Dry Contact output	Raw water pump	SPST-NO low capacity : AC220V/3A Max ;AC110V/5A Max
(five channels)		Inlet valve
		High pressure pump
		Flush valve
		Conductivity over-limit drainge valve
Measurement detection point	Product water conductivity and with Automatic Temperature compensation (0～50）℃
Measurement range	Conductivity : 0.1~200μS/cm/1~2000μS/cm/10~999μS/cm (with different conductivity sensor )
	Product water temp. : 0~50℃
Accuracy	1.5 level
Power supply	AC220V (±10%) , 50/60Hz
Working environment	Temperature:（0～50）℃ ;
	Relative Humidity :≤85%RH (no condensation )
Dimension	96×96×130mm( height ×width×depth)
Hole size	91×91mm（height ×width）
Installation	Panel mounted ,fast installtion
Certification	CE

TDS meters have become increasingly popular in recent years, especially among those concerned about the quality of their drinking water. These devices are designed to measure the total dissolved solids (TDS) in water, providing users with an indication of its purity. However, there are several common myths surrounding TDS meters that need to be debunked in order to gain a clearer understanding of their limitations and usefulness.

Instrument model	FET-8920
Measurement range	Instantaneous flow	(0~2000)m3/h
	Accumulative flow	(0~99999999)m3
	Flow rate	(0.5~5)m/s
Resolution	0.001m3/h
Accuracy level	Less than 2.5% RS or 0.025m/s.whichever is the largest
Conductivity	>20μS/cm
(4~20)mA output	Number of channels	Single channel
	Technical features	Isolated,reversible,adjustable, meter/transmission dual mode
	Loop resistance	400Ω（Max）, DC 24V
	Transmission accuracy	±0.1mA
Control output	Number of channels	Single channel
	Electrical contact	Semiconductor photoelectric relay
	Load capacity	50mA（Max）, DC 30V
	Control mode	Instantaneous amount upper/lower limit alarm
Digital output	RS485(MODBUS protocol ),Impulse output1KHz
Working power	Power supply	DC 9~28V
source	Power Consumption	≤3.0W
	Diameter	DN40~DN300(can be customized)
Working environment	Temperature:(0~50) ℃; Relative humidity: ≤85%RH(none condensation)
Storage environment	Temperature:(-20~60) ℃; Relative humidity: ≤85%RH(none condensation)
Protection grade	IP65
Installation method	Insertion pipeline installation

One of the most common misconceptions about TDS meters is that high TDS levels indicate poor water quality. While it is true that certain dissolved solids, such as heavy metals or harmful chemicals, can negatively impact water quality, not all dissolved solids are harmful. In fact, many essential minerals like calcium and magnesium are considered dissolved solids and are beneficial to human health. Therefore, it is important to assess TDS levels in conjunction with other water quality parameters to get a comprehensive understanding of water purity.

Another myth surrounding TDS meters is that they can accurately measure the presence of specific contaminants in water. TDS meters are not designed to identify the types of dissolved solids present in water, but rather provide a general estimation of their concentration. In order to determine the specific contaminants in water, additional testing using specialized equipment is required. Therefore, relying solely on TDS meters may not provide a complete picture of water quality.

Furthermore, some people believe that TDS meters can be used to determine the effectiveness of water filtration systems. While TDS meters can give an indication of the reduction in dissolved solids after filtration, they do not provide information about the removal of specific contaminants. Water filtration systems are designed to target specific contaminants, and their effectiveness should be evaluated based on independent laboratory testing rather than TDS Meter readings.

It is also important to note that TDS meters have limitations when it comes to accurately measuring TDS levels in certain types of water. For example, TDS meters may not provide accurate readings in the presence of high levels of organic matter or colloidal particles. In such cases, alternative testing methods should be utilized to ensure accurate assessment of water quality.

In conclusion, TDS meters can be useful tools for assessing the general purity of water by measuring the concentration of dissolved solids. However, it is crucial to understand their limitations and not rely solely on TDS meter readings to determine water quality. High TDS levels do not necessarily indicate poor water quality, and additional testing is required to identify specific contaminants. Water filtration system effectiveness should be evaluated through independent laboratory testing rather than relying on TDS meter readings. By debunking these common myths, we can gain a better understanding of the role TDS meters play in assessing water quality