How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

2 Answers  

---

how to find the resistance

3 Answers   Saint Gobain,

---

what is the meaning of "i.p.-43" and duty cycle-s1 on the name plate of a asynchronous machine?

1 Answers  

---

Why colled 440V to 3-phase supply.

0 Answers  

---

what is a kit kat fuse?

5 Answers   TCS,

---

Can I parallel 1 MVA generator with 1kVA Generator? if V, F, Ph Seq and Ph angles are same

2 Answers  

---

Why neutral shows voltage with earth ?

2 Answers   MRF,

---

What is Instantaneous Earth fault relay,how will work

0 Answers  

---

3 phase induction motor rotor field rotate at synchronous speed w.r.t ?

3 Answers  

---

What is vcb?

3 Answers  

---

why we use end termination xlpe cable on ht kit

1 Answers   Al Bario,

---

What is maximum demand?How can we caluclate it?

3 Answers   TATA,

---