DDS-80C conductivity meter is an online intelligent conductivity meter independently developed by our company. Using high-performance CPU chips and SMT surface mount technology to measure conductivity/TDS and temperature, temperature compensation, and automatic range conversion, with high accuracy and good repeatability. Can be applied to continuous monitoring of conductivity/TDS in solutions such as thermal power, chemical fertilizers, metallurgy, environmental protection, pharmaceuticals, biochemistry, food, and tap water.

2、 Main features:

Large screen dot matrix LCD display, Chinese menu operation.

It can measure conductivity/TDS, control upper and lower limits, and automatically switch the range of current transmission to improve the measurement resolution of the product.

The screen displays an alarm status and can be accompanied by an ON/OFF signal output.

Automatic temperature compensation function: automatic 0-100 ℃.

Communication function (optional): Equipped with RS-485 communication interface (partially compatible with MODBUS protocol), the conductivity/TDS value corresponding to 4-20 mA current output can be set arbitrarily.

Watchdog function: Ensure that the instrument panel does not crash.

The core components are all from well-known foreign brands.

Factory settings can be restored. Power failure protection>10 years.

3、 Technical indicators:

Conductivity measurement range: 0.01 electrode 0-20.00 μ S · cm-1

0.1 electrode 0-200.0 μ S · cm-1

1.0 Electrode 0-2000 μ S · cm-1 (standard)

10.0 electrode 0-20.00 mS · cm-1 (customized for other ranges)

Resolution: 0.01 μ S · cm-1, 0.1 μ S · cm-1, 0.001 mS · cm-1, 0.01 mS · cm-1

Accuracy: 2.0% (FS)

Automatic temperature compensation: 0~100 ℃ Temperature compensation: NTC 10K, based on 25 ℃, temperature compensation coefficient can be adjusted

Control interface: Two sets of ON/OFF relay contacts (passive ports), divided into conductivity/TDS, temperature control signal photoelectric isolation output.

Signal isolation output: Optocoupler isolation protection 4-20mA signal output

Relay: Relay hysteresis can be set arbitrarily, relay load 10A 220VAC

Working conditions: ambient temperature of 0-60 ℃, relative humidity ≤ 90%

Output load: load<500 Ω (0-10mA), load<750 Ω (4-20mA)

Working voltage: 220VAC ± 10%, 50/60Hz

Size: 96 × 96 × 115 mm

Hole size: 91 × 91mm

Weight: 0.8Kg

4、 Biao zhun configuration:

One instrument

Tighten two locking strips

One user manual

0.01 stainless steel electrode 0-20.00 μ S · cm-1 wire length 5 meters

0.1 stainless steel electrode 0-200.0 μ S · cm-1 wire length 5 meters

1.0 Plastic electrode 0-2000 μ S · cm-1 wire length 5 meters

10.0 stainless steel electrode 0-20.00 mS · cm-1 wire length 5 meters (customized for other ranges)