1. The heating voltage: 5 + / - 0.2 V (AC, DC)

2. The working current: 5-10 ma

3. The test concentration range: PH0-14

4. The testing temperature range: 0-80 °

5. Response time: 5 s or less

6. Stable time: 60 s or less

7. Element power consumption: 0.5 W or less

8. Working temperature: - 10 ~ 50 ° (nominal temperature is 20 °)

9. Work humidity: 95% RH (nominal humidity 65% RH)

10. Service life: 3 years

11. Size: 42 mm * 32 mm * 20 mm

Size: 12. Weight of 25 g

13. Output way: analog voltage signal output

Pay attention to the PH sensor need to purchase a buffer solvent after purchase. (note that this we have no sales, need to purchase in local, thank you)

PH buffer PH standard solution preparation 4/7/9 complete PH buffer reagent 3 * 1 / set

PH buffer 4/7/9 three sets of 6.00 / sets

Such as:

1. PH 4.003 25 degrees of potassium hydrogen phthalate 250 ml solution

2. PH 6.864 25 degrees of mixed phosphates can be 250 ml solution

3. The PH 9.182 25 degrees boric acid can be 250 ml solution

After buying can provide the PDF version of the principle of design data, etc