Key Features:
41/2-digit LED digital display
It has functions such as positioning adjustment, equipotential adjustment, temperature compensation, slope calibration, etc. It is suitable for various measurement methods such as standard curve method, standard addition method, multiple addition method, GRAN method, etc. With appropriate recorders, it can automatically record electrode potential

Main technical indicators:

1. Measurement rangeresolving power:
PX ± 1 or pX ± 2: (0.000-14000) pX 0.001pX
mV：(-1500～1500)mV 　0.1mV

2. Basic error：
PX ± 1: ± 0.005pX ± 1 word
PX ± 2: ± 0.008pX ± 1 word
MV: ± 0.03% (FS) ± 1 word
3. Input impedance: not less than 3 × 1012 Ω
4. Temperature compensation range and error:
(0-100) ℃ (minimum division value 0.2 ℃) not exceeding ± 0.005pX ± 1 word
5. Slope adjustment range: pX ± 1, pX ± 2: (80-100)% tolerance ± 2 small grids
6. Stability: ± 0.005pX ± 1 word/3h
7. Range of equipotential regulation: (5.6-10.0) pX
8. Power supply: AC (220 ± 22) V; (50 ± 1) Hz
9. Size (mm): 300 × 256 × 110
10. Weight: 3.5kg