Solar Electrics

21st January :: ML V=12.21↖ Y=1.33KWh
20th January :: ML V=12.09↖ Y=1.31KWh
19th January :: ML V=11.89↖ Y=1.30KWh
18th January :: ML V=12.05↖ Y=1.29KWh
17th January :: ML V=12.00↖ Y=660Wh
16th January :: ML V=12.15↖ Y=20Wh
15th January :: ML V=11.74↖ Y=1.05KWh
14th January :: ML V=11.92↖ Y=40Wh
13th January :: ML V=12.09↖ Y=80Wh
12th January :: ML V=11.84↖ Y=690Wh
11th January :: ML V=12.03↖ Y=40Wh
10th January :: ML V=11.98↖ Y=1.05KWh
9th January ::: ML V=9.24↖ Y=230Wh
8th January ::: ML V=7.74↖ Y=110Wh
NOTE: Battery electrolyte was ??? where. I noted the Victron was reading 2v lower than the batteries so it may have been charging an an extraornidarily high rate. Maybe the digital meter's battery ??
7th January ::: ML V=10.29 ↖ Y=30Wh
6th January ::: ML V=12.32 ↖ Y=120Wh
5th January ::: ML V=11.94 ↖ Y=50Wh
4th January ::: ML V=12.24 ↖ Y=390Wh
3rd January ::: ML V=9.45↖ Y=950Wh
2nd January :: ML V=7.72↖ Y=80Wh
1st January ::: ML V=10.23 ↖ Y=80Wh

I have placed this under New as it is new to me, though decades old in the workings.

Test Set No.1 is a military version of Model 8 Mark 2 housed in a radiation protective steel case. It incorporates a fuse on low ohms ranges. The ranges are from 3-10 instead of 2.5-10 with top terminals respectiveley at 3000v. There is no dB scale and the resistance scale is located at the bottom. There are no LR or Ins options.

Ranges :-

DC 3, 10, 30, 100, 300, 600, 1000, 3000 volts - sensitivity 50 uA
DC 0.05, 0.3, 1, 10, 100 mA, 1, 10 A
AC 3, 10, 30, 100, 300, 1000, 3000 volts - sensitivity: 1 mA on 100+ volts, 3 mA on 30, 10 mA on 10, 30 mA on 3
AC 10, 100 mA, 1, 10 A
R 2k, 200k, 20 M ohm (20, 2k, 200k ohm center)

See also :richardsradios.co.uk

. . .
However, the AVOmeter HR had additional 2500 V (AC) and (DC) ranges which used the corresponding 1000 V ranges, and were connected through two additional terminals at the top corners of the front panel. This feature was continued in the Model 8 and, with an increase to 3000 V to match their 1 - 3 - 10 ranges sequence, in the Model 9, Marks II and IV and the Model 8 Mark V. The 3000 V ranges were deleted in the Model 8 Marks 6 and 7 due to concerns for compliance with contemporary safety standards.

. . .

With the DC switch set to its "AC" position and the AC switch set to "DC", no current can flow through the instrument. However whenever any moving coil instrument is likely to be subjected to heavy shock in transit, it is good practice to damp the movement by short circuiting the moving coil using a heavy gauge wire connected across the terminals. On earlier Avometers, this may be done by short-circuiting the input terminals and selecting the most sensitive direct current range. The Model 8 Mark V, 6 & 7 were provided with an "OFF" position on the DC switch which both disconnected the meter's terminals and short-circuited the moving coil.
wikipedia.org/wiki/Avometer

Documents:
User Manual :: Service Manual :: Circuit Diagram :: For images of the innards see Comments, 1,2 &3

Just started: User name :: Roger

Archive to 2018 :: Victron On-line discussion/blog

Current :: https://community.victronenergy.com/index.html

31st December : : ML V=11.03 :: Y=40Wh
30th December :: ML V=12.40 ↖ Y=120Wh
29th December :: ML V=9.84 ↖ Y=370Wh
28th December :: ML V=10.28 ↖ Y=80Wh
27th December :: ML V=11.24 ↖ Y=80Wh
26th December :: ML V=12.39 ↖ Y=210Wh
25th December :: ML V=12.28 ↖ Y=790Wh
24th December :: ML V=11.74 ↖ Y=220Wh
23rd December :: ML V=12.28 ↖ Y=310Wh
22nd December : ML V=9.46 ↖ Y=450Wh
21st December :: ML V=12.23 ↖ Y=90Wh
20th December :: ML V=9.58 ↖ Y=330Wh
19th December :: ML V=12.29 ↖ Y=20Wh
18th December :: ML V=12.30 ↖ Y=30Wh
17th December :: ML V=12.09 ↖ Y=710Wh
16th December :: ML V=12.24 ↖ Y=270Wh
15th December :: ML V=12.40 ↖ Y=440Wh
14th December :: ML V=11.94 ↖ Y=760Wh
13th December :: ML V=11.54 ↖ Y=520Wh
12th December :: ML V=12.52 ↖ Y=180Wh
11th December :: ML V=12.43 ↖ Y=390Wh
10th December : ML V=12.55 ↖ Y=10Wh
9th December ::: ML V=12.47 ↖ Y=890Wh
8th December ::: ML V=12.16 ↖ Y=450Wh
7th December ::: ML V=12.22 ↖ Y=240Wh
6th December ::: ML V=12.37 ↖ Y=170Wh
5th December ::: ML V=12.48 ↖ Y=200Wh
4th December ::: ML V=12.52 ↖ Y=570Wh
3rd December ::: ML V=12.36 ↖ Y=940Wh
2nd December :: ML V=12.24 ↖ Y=990Wh
1st December ::: ML V=10.21 ↖ Y=650Wh

Victron Direct

V5.15 22nd December 2019 :: Firmware 1.46
Update downloaded but no change
V5.15 13th December 2019 :: Firmware 1.46
V5.13 5th November 2019 :: Firmware 1.46
V5.13 30th October 2019 :: Firmware 1.42
V5.9 15th September 2019 :: Firmware 1.42
V5.9 11th September 2019 :: Firmware 1.39
V5.8 18th July 2019 :: Firmware 1.39
V5.7 9th May 2019 :: Firmware 1.39 :: Manual download and install successful.
V5.7 8th May 2019 :: Firmware 1.39 :: Download failed as a file could not be extracted from the zip
V5.6 7th May 2019 :: Firmware 1.39
V5.5 2nd May 2019 :: Firmware 1.39

V5.4 9th March 2019 :: Firmware 1.39
V5.3 12th February 2019 :: Firmware 1.39
V5.2 on 9th January 2019 :: Firmware 1.37

V5.1 on 5th July 2018:: Firmware 1.37
V4.8 on 5th July 2018

30th November : ML V=10.05 :: Y=130Wh
29th November : ML V=12.05 ↖ Y=110Wh
28th November : ML V=12.44 ↖ Y=250Wh
27th November : ML V=12.05 ↖ Y=150Wh
26th November : ML V=12.29 ↖ Y=310Wh
25th November : ML V=12.81 ↖ Y=150Wh
24th November : ML V=12.83 ↖ Y=110Wh
23rd November : ML V=12.81 ↖ Y=140Wh
22nd November  ML V=12.71 ↖ Y=100Wh
21st November : ML V=12.52 ↖ Y=90Wh
20th November : ML V=12.15 ↖ Y=420Wh
19th November : ML V=12.36 ↖ Y=210Wh
18th November : ML V=12.32 ↖ Y=1.0KWh
17th November : ML V=12.56 ↖ Y=590Wh
16th November : ML V=12.58 ↖ Y=770Wh
15th November : ML V=12.23 ↖ Y=740Wh
14th November : ML V=12.24 ↖ Y=110Wh
13th November : ML V=12.42 ↖ Y=260Wh
12th November : ML V=12.52 ↖ Y=760Wh
11th November : ML V=12.31 ↖ Y=720Wh
10th November : ML V=12.28 ↖ Y=610Wh
9th November ::: ML V=12.27 ↖ Y=440Wh
8th November ::: ML V=12.42 ↖ Y=780Wh
7th November ::: ML V=12.28 ↖ Y=970Wh
6th November ::: ML V=12.28 ↖ Y=520Wh
5th November ::: ML V=12.51 ↖ Y=510Wh
4th November ::: ML V=12.47 ↖ Y=650Wh
3rd November ::: ML V=12.03 ↖ Y=560Wh
2nd November :: ML V=11.97 ↖ Y=100Wh
1st November ::: ML V=11.92 ↖ Y=110Wh