Instruction
1. Start the motor.
2. Stop the motor on the interval of 10 sec.
3. Click on record button.
4. Enter the values in blank field.
5. Record the reading
Start RPM
00
H 1 :
H 2 :
Data Sheet
Area of measuring tank A = 0.128 m2
Diameter of pipe d = 0.02 m
H = 1 m of water
Density of water (ρ) = 1000 kg/m3
Formulae:
Discharge Q=(A*R)/t m3/sec
Pump Output (Po)=(ρ*g*Q*H)/1000 kW
Pump efficiency ηρ=Eo*100/Es%
Overall efficiency ηo=Eo*100/Ei%
| SNo. | Speed of pump N(RPM) | Delivery pressure Pd(kg/cm2) | Suction pressure Ps(mmHg) | R1(cm) | R2(cm) | R(cm) | t(sec) | Discharge Q(m3/sec) |
|---|---|---|---|---|---|---|---|---|
| 1 | ||||||||
| 2 | ||||||||
| 2 | ||||||||
| 2 |
| Pulses of energy meter(P) |
Time Taken by pulses tp(sec) |
Pump Input Ei(kW) |
Shaft Output Es(kW) |
Total Head H(m) | Pump Output Eo(kW) |
Pump Efficiency ηρ(%) |
Overall Efficiency ηo(%) |
|---|---|---|---|---|---|---|---|