DWS-295 type sodium ion meterDetailed product description：

The main features of DWS-295 sodium ion meter are:

Dot matrix LCD display, Chinese operation interface
It has functions such as automatic calibration, automatic temperature compensation, automatic calculation of electrode slope percentage, and automatic alkalization
It has the functions of storage, deletion, retrieval, printing, and retention for measurement results. The instrument can store up to 50 sets of pNa
Measurement experimental data of mV or sodium ion concentration values, and provide two sets of printing modes for users to choose from
Adopting a three electrode measurement system with pNa value and temperature value, mV value and temperature value, or sodium ion concentration value and temperature value
Dual Display
There is an RS-232 interface that can be connected to a TP-16 serial printer to print measurement results, and REX DC1.0 lightning magnetic data acquisition is selected
Software can communicate with computers

Main technical specifications of DWS-295 sodium ion meter:

1. Measurement range:
PNa value: (0.00~9.00) pNa
[Na+] concentration value: (2.3 × 107~2.3 × 10-2) μ g/L
Temperature value: (-5.0~105.0) ℃
2. Basic error:
PNa value: ± 0.01 pNa ± 1 word
Calculation error for converting pNa value to [Na+] concentration value: ± 3% (reading)
Temperature value: ± 0.3 ℃
3. Stability: ± 0.01pNa ± 1 word/3h
4. Input impedance: not less than 1 × 1012 Ω
5. Temperature compensation range of the tested solution: (0.0~50.0) ℃
6. Power supply: DC universal power supply (9V~15V, 300mA, internal positive, external negative)
7. Dimensions (mm) 290 × 200 × 70
8. Weight: Approximately 1kg