Testing method: standard meter method or weight method

I. Main parameter

1. Test bench accuracy with weight method (k=2)≤0.5%

2. Test bench accuracy with standard meter method (k=2)≤0.7%

Moreover:

Flow testing accuracy (k=2)≤0.2%

Temperature sensor accuracy (k=2)≤0.01℃

3. Working pressure of water supply:  0.3~0.5MPa

4. Range of flow：30~30000L/h

5. Tested meter and diameter，DN15×6pcs, DN20×5pcs, DN25×4pcs, DN40×3pcs, DN50×3pcs

6. Water tank max. working temperature 90℃, testing temperature 50±5℃, 85±5℃

7. Thermostatic water tank (two channel)

Temperature testing range : 4~95℃

Temperature controlling range : 4℃~95℃;  one channel : normal temperature +5℃~95℃  other channel working temperature difference≤0.02℃,

8. Accuracy of electronic balance: 1/6000

II. Main parts

1. Water tank : 2m³ (heater:12kw×3pcs)

2. Pressure regulator : 0.5m³

3. Thermostatic water tank: 1 set

4. Platinum resistance thermometer : 2pcs

5. Resistance calibrator : 1pc

6. Standard pulse generator : 1pc

7. Water pump ISG80-200B : transducer: Q=43.5 m³/h;  H=38m;  N=7.5kw

8. Return pump 15WGR-10 : Q=0.48 m³/h; H=8m; N=90w

9. Electromagnetic rotameter: DN6  30-600 L/h      1pc
                        DN15  300-4500 L/h   1pc

                         DN40  1500-30000 L/h   1pc

10. Electronic balance: 600kg (display 100g, 50g, 20g)    1pc

            60kg  (display 10g, 5g, 2g)       1pc

11. Function of controlling box:

1) Control and display water temperature inside water tank;

2) Turn return pump on or off; 

3) Display pressure and temperature of working table;

4) Display value of electronic balance.

12. Other: material of working table, water tank, water pipes are stainless steel.

13. Max. dimension: 6m×5m×3.5m (L×W×H)