If you have another question, pls feel free to contact us as below:  Looking forward to cooperating with you!
Features
Double-row digital tube: To display μg/L, pNa/mV and temperature simultaneously. Computer-based: Adopts high-performance CPU chip, high-precision AD conversion technology to complete multi-parameter measurement and temperature compensation, with high precision and good repeatability High sensitivity: In the static water sample, it can detect 0.2ppb (8pNa) Lasting stability: There is a very stable reading. 
Technical Indexes
1.Display: Double-row digital tubes display displays Sodium ion concentration and temperature simultaneously. 2.Measuring range: 0.2 ug/L~23000mg/L               0.00 PNa~8.00 PNa.               -1000~ +1000 mV. 0~99.9ºC 3.Resolution: 0.1 ug/L; 0 .1 mV, 0.1ºC
4.Repeatability: reading ± 2.5%
5.Accuracy: reading ± 2.5%, ±0 .2 mV, ±0.3ºC
6.Continuous stability time:Â >100 seconds
7.Detection lower limit: 0Â .2 ug/L (8pNa)
8.Input impedance: >1012Ω
9.Temperature compensation range: automatic/manual 0 ~ 99.9 ºC, 10.Response speed: 32 seconds (25ºC) or 50 seconds (15ºC) 11.Communication interface: RS232 12.Power supply: AC 220V ± 22V, 50Hz ± 1Hz 13.Working conditions: ambient temperature: 0-60ºC;  relative humidity <≤90 14.Power-down memory: > 5 years 15.Calibration mode: One-point calibration, two-point calibration
One secondary meter; one power supply; one reference electrode, one measuring electrode, one temperature electrode; one set of electrode support
DWS-51A is an intelligent laboratory Sodium meter. It is equipped with the dedicated laboratory PPb sodium ion measurement electrode and the reference electrode,
with the static measurement performance in the beaker greatly improved, compares with the traditional sodium meters. As long as the user pays attention to the electrode cleaning,
the satisfactory result can be achieved. It can be widely used for continuous monitoring of sodium ions of the solutions in thermal power plants, chemical fertilizer, metallurgy,
environment protection, pharmaceutical industry, biochemical industry, foodstuff and running water.
 
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FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: We can offer the sample, it is extra
Q: What is your terms of payment ?
A: 100% T/T in advance ,balance before shippment.
Contact: Joyce Wu
Phone: +86 021-20986176
Mobile: +86 18321456979
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Laboratory Sodium Meter High Quality Laboratory Meter
Model NO.: DWS-51A
Power Supply: AC 220V +/- 22V, 50Hz +/- 1Hz
Power-Down Memory: > 5 Years
Detection Lower Limit: 0 .2 Ug/L (8pna)
Trademark: BOQU
Transport Package: Carton
Origin: Shanghai
HS Code: 9027809900
               DWS-51A Laboratory Sodium Meter