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Quick Details

Brand Name: BRAND
color: COLORED
Theory: ASTM
Resolution: ADJUST
Size: NONE
Model Number: FDR-2251
Place of Origin: China (Mainland)

Specifications

Scope

It confirms to SH/T 0251, ASTM D2896, GB/T 7304 and ASTM D664 standard laboratory requirements.

 

Features

1, Liiquid crystal display, English operation interface, it can display information about the test parameters and measurement results

2, with pre-titration, preset end point titration, blank titration or manual titration functions, and can generate special titration mode according to user habits

3, the choice of different electrodes can be: acid-base titration, redox titration, precipitation titration, complexation titration, and other non-aqueous titration and pH measurement

4, Stirring system uses PWM modulation technology, software, speed, low noise

5, Perchloric acid titration system using anti-corrosion materials, can be a variety titration

 

Technical Parameters

First, the instrument 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

10, Dimensions (mm): 340 × 400 × 400

10. Instrument Weight: 10 kg


FDR2251 Automatic acid and base tester of petroleum products