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Automatic Acid Tester

(1.0)
Supplier From China
Feb-22-19

FDR-2271 Automatic acid and base tester of petroleum products
Scope
Compliance with SH / T 0251 "Determination of base number of petroleum products (perchloric acid potentiometric titration)" and GB / T 7304 "Petroleum products and lubricants and values assay (potentiometric titration)" standard experimental requirements
Features
1. Computer control system, special software Chinese window interface, mouse, keyboard operation, man-machine dialogue, easy to understand.
2. It can display the potential curve (E-V), the first derivative curve (dE / dV) and the electrode potential (E), the titration volume (V), the titration result and so on.
3. The instrument uses the potentiometric titration method to automatically determine the end point of titration, and automatically calculate the results.
4. The instrument has pre-titration, the default end titration, blank titration, manual titration and other modes, can also be based on user experiments to create their own dedicated mode to meet the different experimental requirements.
5. Titration system using a corrosion-resistant materials, can be a variety of titration reaction. Selection of different electrodes can be carried out: acid-base titration, redox titration, precipitation titration, complex titration, non-aqueous titration and other titration and pH measurement.
6. Automatic cleaning, automatic rehydration, automatic value plus liquid.
Technical Parameters
level: 0.05
1, measuring range:
pH: (0.00 ~ 14.00) pH
mV: (- 1800 ~ 1800.0) mV
Temperature: (- 5.0 ~ 105.0) ° C
2, Resolution:
pH: 0.01pH
mV: 0.1mV
Temperature: 0.1 ° C
3, the basic error:
pH: ± 0.01pH ± 1 word
mV: ± 0.03% FS
Temperature: ± 0.3 ° C ± 1 word
4, Burette capacity Tolerance:
10ml Buret: ± 0.025ml
20ml Buret: ± 0.035ml
5, Burette resolution:
10ml Buret: 1/10000
20ml burette: 2/10000
6, burette infusion or infusion rate: (50 ± 10) s (Buret full degrees)
7, titration analysis Repeatability: 0.2%
Titration control sensitivity: ± 2 mV
8 Stability: (± 0.3mV ± 1 word) / 3h
9, power source: AC (220 ± 22) V, (50 ± 1) Hz

Price and Minimum Quantity

Price: $100 - $6000
MOQ: Not Specified
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Measuring range 0-200mN/m

Accuracy 0.1%( test result) 0.1 mN/m

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Mains voltage AC220V 20% 50HZ 10%

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Suit ambient temperature 10 30

Suit ambient humidity RH

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It used electromagnetic force -balance-type transducer, improving the accuracy of the measurement

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Keep the Pt ring clean and circularity.clean the Pt ring with pure water,and burn it in flames,until the ring turn red.

You must be sure that the test container will be clean.if the test container is dirty,the test result can not be accuratly.you can use pure water to clean the test container several times and dry it.

If the instrument crashed violencly,you must be calibrated again.
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