Peak Instruments P-521 便携式pH/DO仪 ((-2,00 ~ 19,99) pH)

Specifications

PH:

Measuring range: (-2.00 ~ 19.99) pH

Resolution: 0.1/0.01 pH

Accuracy: ±0.02 pH

Input current: ≤2×10^-12 A

Input impedance: ≥1×10^12 Ω

Stability: ±0.01 pH/3h

Temperature compensation: (0 ~ 100)℃ (automatic)

mV:

Measuring range: -1999mV ~ 0 ~ 1999mV

Resolution: 1 mV

Accuracy: ±0.1% FS

DO: 

Measuring range: (0 ~ 20.00) mg/L(ppm), (0 ~ 200.0)%

Resolution: 0.1/0.01 mg/L(ppm), 1/0.1 %

Accuracy: ±0.40 mg/L, ±0.3%

Response time: ≤30s (25℃, 90% response)

Residual current: ≤0.1 mg/L

Temperature compensation: (0 ~ 100)℃ (automatic)

Salinity compensation: (0 ~ 45) ppt (automatic)

Pressure compensation: (66 ~ 200) kPa (manual)

Automatic calibration: Air saturated by water, water saturated by air

Electrode type: Polarographic

Others:

Data storage: 200 groups

Storage contents: Series number, measuring value, measuring unit and temperature

Power: Two AA batteries(1.5V×2)

Size & Weight: 60×90×30mm/360g (instrument)

               480×300×60mm/1KG (with packing)

Working Conditions:

Ambient temperature:(5 ~ 35)℃

Ambient humidity: ≤85%

IP grade: IP57

Standard Configuration:

1. P-521 pH/DO meter: 1 unit

2. pH electrode: 1 pc

3. DO electrode: 1 pc

4. Temperature electrode: 1 pc

5. pH buffer (pH4.00, pH6.86, pH9.18/50ml): 1 set

6. Membrane cap: 3 pcs

7. DO electrolyte (30ml in powder): 1 bottle

8. Backup AA battery: 2 pcs

9. Operation manual: 1 copy

Datasheet