FDR-2211 base tester of petroleum products

Scope
Instrument complies with SH / T 0251 standard test requirements, the detection of petroleum products in the base value of the ideal testing equipment

Features
1, by setting the potential control titration endpoint
2, can be pre-controlled potential (pH) adjusted
3, electromagnetic valve control drops
4, with manual, automatic, constant pH (potential) titration mode
5, the delay circuit titration end point

Technical Parameters
First, the instrument level: 0.5
1, measuring range:
pH: (0.00 ~ 14.00) pH
          mV: (- 1400 ~ 1400) mV
2. Resolution
           pH: 0.01pH
          mV: 1mV
3, the basic error:
pH: ± 0.03pH ± 1 word
           mV: ± 0.35% FS
4, stability: ± 0.01pH / 3h
5, the input impedance: not less than 3 × 1011Ω
6, power source: AC (220 ± 22) V, (50 ± 1) Hz
7, Dimension (mm): 300 × 235 × 100
8. Instrument Weight: 3kg