Water meter reading - Installed in BVB campus meter ID-SEMI511008

Analog meter consumed as per

Date & time of reading reading analog meter(liters)
23/06/25 - 11am 982 -
24/06/25 - 12pm 1183 201
25/06/25 - 3pm 1434 452
26/06/25 - 3pm 1531 549

Flow sensor calibration constant used - 212

27/06/25 - 4pm 1817.85
30/06/25 - 12pm 2489.85 672
01/07/25 - 12pm 2817.95 1000.1
02/07/25 - 12pm 3123.45 1305.6
04/07/25 - 7:23pm(After Board Change) 3739.31
07/07/25 - 7:16pm 4294.39
08/07/25 - 6:00pm 4448.15 153.759999999999
09/07/25 - 3:00pm 4823.19 375.04

Flow sensor calibration constant used - 180

22/07/25 - 12:35pm 8281
23/07/25 - 6:00pm 8602 321
24/07/25 - 3:00pm 8728 447
28/07/25 - 12:00pm 9826 1545
29/07/25 - 06:00pm 10076 1795
30/07/25 - 03:00pm 10271 1990
01/08/25 - 6:01pm 10712 2431
04/08/25 - 6:00pm 11574 3293
06/08/25 - 12:00pm 12139 3858
07/08/25 - 3:00pm 12345 4064
11/08/25 - 6:00pm 13399 5118
12/08/25 - 12:00pm 13537 5256
13/08/25 - 12:00pm 13773 5492
18/08/25 - 03:00pm 15265 6984
pus meter ID-SEMI5110080468
Consumption as per Difference
Smart meter (liters) (lts) Smart per 100 L
- -
202 1
455 3
552 3

ant used - 212

671 -1
999 -1.1
1304 -1.6
0
0
130 -23.76
444 68.96

308 -13 -4.04984423676013

432 -15 -3.35570469798658
1517 -28 -1.81229773462783
1763 -32 -1.78272980501393
1956 -34 -1.70854271356784
2392 -39 -1.60427807486631
3245 -48 -1.45763741269359
3801 -57 -1.47744945567652
4008 -56 -1.37795275590551
5053 -65 -1.27002735443533
5188 -68 -1.2937595129376
5423 -69 -1.25637290604516
6905 -79 -1.131156930126
 Battery Voltage of meter ID - SEMI5110080468

Percentage accuracy Date of reading Meter voltage

23/06/25 3.63
7/7/2025 3.52
22/07/25 3.52

95.9501557632399
96.6442953020134
98.1877022653722
98.2172701949861
98.2914572864322
98.3957219251337
98.5423625873064
98.5225505443235
98.6220472440945
98.7299726455647
98.7062404870624
98.7436270939548
98.868843069874
D - SEMI5110080468

Voltage drop

0.11
0
 Readings for 15mm pipe dia
Semiksha magnet no 1

Analog
meter
reading analog meter(liters) Smart meter (Rotations) Ave rotati
666
676 10 1712 171.2
696.1 20.1 3455 171.8905
711.1 15 2581 172.0667
716.1 5 868 173.6
717.18 1.08 177 163.8889
742.9 25.72 4412 171.5397
757.9 15 2559 170.6
767.9 10 1711 171.1
779.15 11.25 1941 172.5333
789.2 10.0500000000001 1738 172.9353
799.2 10 1719 171.9
Avg value 171.205

Semiksha magnet no 2
799.5
811.5 12 2132 177.6667
821.55 10.05 1735 172.6368
840 18.45 3187 172.7371
850 10 1765 176.5
870.05 20.05 3555 177.3067
895.1 25.0500000000001 4456 177.8842
Avg value 175.789

Semiksha magnet no 3
895.1
905.1 10 1802 180.2
925.1 20 3618 180.9
940.7 15.6 2780 178.2051
965.7 25 4461 178.44
985.73 20.03 3564 177.9331
1005.7 19.97 3550 177.7666
1010.7 5 884 176.8
Avg value 178.6064

Market Magnet Reading 1

1010.75
1020.75 10 1540 154
1040.75 20 3103 155.15
 1047.9
1063 15.0999999999999 2370 156.9536
1068.04 5.03999999999996 780 154.7619
Avg value 155.216

Semiksha Setup with fixed position - sensor 4

5 212 42.4
10.03 438 43.6689930209372
14.96 656 43.8502673796791
20.1 875 43.5323383084577
Average: 43.3628996772685

Semiksha Setup with fixed position - sensor 2

5.1 220 43.1372549019608
10.06 433 43.0417495029821
15.02 652 43.4087882822903
20.02 851 42.5074925074925
Average: 43.0238212986814

Semiksha Setup with fixed position - sensor 1

5.03 221 43.9363817097415
10.09 436 43.211100099108
15.03 664 44.1783100465735
20 884 44.2
Average: 43.8814479638558
 MRMS511X - 001

Comments Sensor at the center

Horizontal position With Cap(with PCB Holder)

Horizontal position
Horizontal position
Horizontal position Without Cap
Horizontal position
Horizontal position
Full Verticle position
Full Verticle position Different Board
Verticle upside down 3131
90 degree rotation 3136
o 3141
3146.51

Different Magnet , Impellar, Diffrent Board

Liters
5
7.85

Sensor Change, With same setup as above

5
10
 MRMS511X - 001 Sensor Sensor - 1

10.05 138 13.73134 10 1488

15.05 173 11.49502 8 1191
20 373 18.65 22 3286
10 180 18 25 3516
5 91 18.2 14.99 2213
10 198 19.8
10.05 168 16.71642
5 102 20.4 Sensor - 2
10.08 1751
Different Board With Same setup 5.01 862
15 2664
5 1066 213.2 10.04 1786
5.06 874
5.1 1088 213.3333 20.09 3534
Avg value 213.267 15.05 2607
25 4439
Impellar, Diffrent Board 5 866
Pu Calib const 10.02 1735
1047 209.4
1654 210.70063694
Sensor - 3
h same setup as above 10.04 1487
960 192 5.05 755
1955 195.5 15.04 2215
20.02 3002
15.01 2252
10.03 1508
15.04 2237
10 1487
5.01 751

Sensor - 4
5.01 633
10 1244
10.05 1280
5.05 643
10.1 1291
5.1 643
10 1271
 25 3185
15 1915
5 664

Sensor - 1 without glue

10 1621
15 2433
5.1 821
20.05 3248

Sensor - 2 without glue

10.1 1636
20.04 3255
5 807
10 1609

Sensor - 4 without glue

10 1617
5.05 810
15.06 2425
20 3223
 148.8
148.875
149.3636
140.64
147.6318
147.0621
Sensor with glue
nsor - 2 Sensor -1 147
173.7103 Sensor -2 174
172.0559 Sensor -3 149
177.6 Sensor -4 127
177.8884
172.7273
175.9084
173.2226
177.56
173.2
173.1537
174.7027

Sensor - 3
148.1076
149.505
147.2739
149.95
150.0333
150.349
148.7367
148.7
149.9002
149.1729

Sensor - 4
126.3473
124.4
127.3632
127.3267
127.8218
126.0784
127.1
 127.4
127.6667
132.8
127.4042

without glue
162.1
162.2
160.9804
161.995
161.8189 Sensor without glue
Sensor -1 161.81
without glue Sensor -2 161.67
161.9802 Sensor -4 161.06
162.4251
161.4
160.9
161.6763

without glue
161.7
160.396
161.0226
161.15
161.0672
 Water meter reading - Installed in BVB campus meter ID
Analog meter
Date & time of reading Calibration reading
4/8/2025 - 5:38pm 208 18661
11/8/2025 25600
12/8/2025(180) 180 27969
13/9/2025 - 3:00pm 29817
13/9/2026(192) 192 30459
14/9/2026 - 12:00pm 31640
14/9/2026 - 03:00pm 32205
14/9/2026 - 07:15(132) 132 33312
18/9/2026 - 12:00pm 39163
BVB campus meter ID SEMI0951040621
consumed as per
analog Consumption as per Difference
meter(liters) Smart meter (liters) (lts) Smart per 100L(L)
- - -
6939 5837 -1102

1848 1341 -507

1181 818 -363

565 387 -178

5851 5773 -78 -1.3331054520595

 Battery Voltage of meter ID - SEMI0502191605

Percentage Accuracy Date of reading Meter voltage

4/8/2025 3.56
12/8/2025 3.55

98.6668945479405
- SEMI0502191605

Voltage drop
 Water meter reading - Installed in BVB campus meter ID SEM

Date & time of reading Calibration Analog meter reading

04/08/25 - 5:20pm 208 1001
06/08/25 - 6:00pm 1289
07/08/25 - 6:00pm 1389
11/08/25 - 6:00pm 1859
12/08/25 - 3:00pm 1984
13/08/25 - 3:00pm 2133
14/08/25 - 3:00pm 3462
18/08/25 - 3:00pm 4237
ed in BVB campus meter ID SEMI6518403925
Consumption as
consumed as per analog per Smart meter
meter(liters) (liters) Difference (lts)
- - -
288 296 8
388 395 7
858 876 18
983 1007 24
1132 1156 24
2173 2479 306
2848 3264 416
Smart Per 100 L Percentage accuracy

2.7777777777778 102.777777777778
1.8041237113402 101.80412371134
2.0979020979021 102.097902097902
2.441505595117 102.441505595117
2.1201413427562 102.120141342756
14.08191440405 114.08191440405
14.606741573034 114.606741573034
 Battery Voltage of meter ID - SEMI6518403925

Date of reading Meter voltage Voltage drop

4/8/2025 3.63