ST-L2688 industrial online acid-base concentration meter, typical application: The acid-base concentration meter is widely used for online monitoring of ion concentration in thermal power, chemical industry, metallurgy, water treatment, pharmaceuticals, biochemistry, electronics, electroplating, printing and dyeing, chemistry, food, and tap water.

ST-L2688 Industrial Online Acid Base Concentration Meter Instrument Features:

★ Designed in imitation of Mettler circuit, fully imported chip manufacturing

★ LCD large screen display, full English or Chinese menu operation, human-machine dialogue, easy operation

Simultaneously display concentration value, output current, temperature, and time

★ The current output adopts photoelectric coupling isolation technology, which has strong resistance to pole interference and can be transmitted remotely

★ Waterproof and dustproof design, suitable for outdoor use

The communication interface can be easily connected to the computer for monitoring and communication

★ IP65 waterproof and dustproof design, suitable for outdoor use

★ RS485 or 232 communication interface can be easily connected to a computer for monitoring

ST-L2688 Industrial Online Acid Base Concentration Meter Technical Instructions:

measurement range

0.0～10%HCL   0.0～10%H2SO4

0.0～15%HNO3  0.0～10%NaOH

0.0～25%NaCL  0.0～10%Na2CO3

0.0～15%KCL

Temp：        0.0℃～100℃

Resolution 0.01%

Temp： 0.1℃

Instrument accuracy Cond: 0.02%

Temp： 0.1℃

Working temperature 0-60 ℃

Temperature compensation automatic temperature compensation 0-99.9 ℃

Analog output current isolation 4-20mA output or 0-10mA current output

Relay output high and low points, hysteresis can be set by any program, with two sets of ON/OFF outputs

Power input AC220V ± 22V, optional DC24V power supply

Protection level IP65

Weight 1.2kg

Dimensions 146 × 146 × 108 mm (H × W × D)

Hole size 138 × 138 mm (H × W)

Note: The instrument can be wall mounted. Please indicate when placing an order

Note: Two current outputs are optional, one for concentration and the other for temperature.

6.00% and 8.00% are used for automatic calibration and manual input of electrode coefficients. Network function: isolated current output and RS485 communication interface; The upper and lower limits of the output corresponding to the concentration value of the current can be set arbitrarily. Historical curve: Continuously record data for one month, with one point every five minutes. Notepad function: Record 200 pieces of information. Manual current source: convenient for recording and testing devices. Built in real-time clock: provides time benchmarks for various functions, etc. Industrial control watchdog: ensures that the instrument does not crash. Password management: Both parameter settings and maintenance are password protected.

For more product information, please consult our toll free hotline at +0086 400 880 6367