Parameter

  Model

PH-25

PH-3C

PHS-3CB

PHS-3CU

Rank

0.05

0.01

0.01

Range

pH

(0.00~14.00) pH

(0.00~16.00) pH

(-2.00~19.99) pH

mV

(0~1599) mV

(0~±1999) mV

(0~±1999) mV

℃

(0.0~80.0) ℃

Resolution

pH

0.01 pH

0.01 pH

mV

1 mV

±1 mV

℃

0.01℃

Error

pH

±0.01 pH±1d

± 0.01pH

mV

±1% FS

±.1mv±1d

℃

±0.01 ℃

Input Impedance

≥1×10¹² Ω

≥1×10¹² Ω

Input Current

≥1×10¹² A

≥1×10¹² A

Stability

(±0.05pH±1d)/3h

(±0.01pH±1d)/3h

℃Compensation

Hand (0.0~60.0) ℃

Hand/Auto (0.0~80.0) ℃

Power

230/115Vac ± 15%

230/115Vac ± 15%

230/115Vac ± 15% and Dry Battery

Size (mm)

220×160×65

290×210×95

N.W. (kg)

1.5

2

Functions

1. LCD

2. Temperature Compensation by Hand

3. One or Two Calibration Points

4. Self-moving E-201-C Style pH

Combined Electrode

1. Bigger LCD

2. Identify Three Types Of Standard Buffer

Solution (4.00, 6.86, 9018 pH)

3. Two or Three Calibration Points

4. By Hand or Automatic Temperature

Compensation

5. Testing pH, Temperature, mV (ORP)

6. Self-moving E-201-C Style pH Combined Electrode

Interface

No

No

USB with  REX Data Collection Software

Inner Packing (mm)

365×305×215

325×300×150

Outer Packing (mm)

640×350×78 (including 10 pcs)

640×380×660 (including 6 pcs)

H.S Code

9027