supply of voltmeter and indicatorvoltmeter and indicator,four digit programmable ac voltmeter for voltage range 0-750 volt for size 48 mm(height) x 96mm(width) x 58mm depth to model no. smp48 of meco instruments or similar. panel cut out size is (44mm{+0.5,0.0} x 92 mm{+0.8,0.0}) ] , four digit programmable ac ammeter for current range 0-20a for size 48mm(hei ght) x 96mm(width) x 58mm depth to model no. smp48 of meco instruments or similar. panel c ut out size is (44mm{+0.5,0.0} x 92 mm{+0.8,0.0}) ] , four digit, seven segment, 0.8 red led display process indicator (frequency indi cator) to model no. pi-31 of multispan make or similar having size of 48(h)mmx 96(w)mmx26( d)mm. panel cut size is 45(h)x92(w)mm. input type: voltage-0-10v (dc) current- 0-20ma (dc) fre quency meter. ] , four digit, seven segment, 0.8 red led display process indicator (rpm indicator) to model no. pi-31 of multispan make or similar having size of 48(h)mmx 96(w)mmx26(d)mm. p anel cut size is 45(h)mmx92(w)mm. input type: voltage-0-10v (dc) current- 0-20ma (dc) ]