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GQ Electronics Forums
2.GQ Geiger Muller Counter
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Topic
Author
Replies
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Last Post
Sticky:
GeigerLog - Version 2.1 released
1
2
ullix
145
38407
06/11/2026
22:56:46
by:
ullix
Sticky:
USB Driver verification
ZLM
11
23223
02/06/2026
19:02:18
by:
bbeanie
Sticky:
GQ GMC-060,080,280 GMC-300,GMC-320 customized tube
ZLM
41
40294
05/05/2025
11:01:53
by:
EmfDev
Sticky:
Radiation safe dose at American Nuclear Society
ZLM
7
17304
01/11/2025
19:10:11
by:
GBG12
Sticky:
For those wishing to calibrate their unit
Alchemy2
15
21850
08/17/2024
16:32:09
by:
Tony81269
Sticky:
Measuring Tube Voltage
ZLM
23
30951
02/15/2023
23:23:50
by:
ullix
Sticky:
Dead Time Integration and Calibration Part 2
Stargazer 40
4
12467
08/13/2020
03:17:23
by:
Searinox
Sticky:
youtube review
ZLM
10
21098
12/13/2019
21:39:27
by:
ZLM
Sticky:
USB driver for GMC-300V3 GMC-320V3 & older Version
ZLM
5
15124
10/14/2014
07:44:42
by:
GnaeX
Help with GQ-300S
computer AHI
0
9
06/30/2026
07:17:48
by:
computer AHI
GMC-800 Power switch failed
fultontech
1
51
06/28/2026
14:33:33
by:
fultontech
GMC-600+ USB connection drops randomly during long
danigomez
0
66
06/27/2026
07:59:27
by:
danigomez
WebGMC: control your GQ GMC-800 from the browser
radioactiveYeti
2
169
06/26/2026
07:30:10
by:
radioactiveYeti
GMC-600Pro Gyroscope
Sch4lki
3
105
06/25/2026
15:15:48
by:
EmfDev
deleted ?
MeasureMan
1
61
06/25/2026
11:09:54
by:
EmfDev
GMC Geiger Counters Latest Firmware Revisions
Bobakman
32
6558
06/18/2026
08:48:51
by:
Markku
GMC-800 - FIRMWARE
gaag0004
5
1327
06/18/2026
08:41:07
by:
Markku
GMC-300e Plus Average CPM Spike
sym
1
189
06/15/2026
16:54:03
by:
EmfDev
GMC 600+update
tarrant1969
1
174
06/15/2026
16:52:21
by:
EmfDev
Rad Pro 3.1 released — custom firmware update for
Gissios
4
870
06/11/2026
22:54:40
by:
ullix
GMC-800 Fast Estimate question
dkshema
1
342
05/19/2026
11:38:17
by:
EmfDev
GMC-500+ Tube 1 (M4011) shows 0 CPM – need help
bialex
1
580
04/07/2026
06:55:08
by:
3z_phoenix
GMC 600Pro no alarm when beep/click is turned off
gquser1
8
1344
03/31/2026
05:54:01
by:
gquser1
WI-FI Send Data Failed
Tom Johnson
2
599
03/30/2026
17:41:53
by:
cvee
Unexpected spikes and unstable readings on GMC-500
1v1lolonline
1
486
03/26/2026
13:26:47
by:
EmfDev
600 Pro reading anomalously low
DeivF
20
2126
02/24/2026
00:45:08
by:
kwinz
What is the latest firmware for GMC-500+
cvee
4
1182
02/23/2026
01:23:16
by:
3z_phoenix
RadonPro GQ-RFC2401
wikilicious
0
447
02/20/2026
10:37:25
by:
wikilicious
Get a Logic Pulse out of a counter for each Count?
ullix
4
745
01/30/2026
03:31:40
by:
ullix
Led control
morettigiorgio
2
728
01/30/2026
01:17:27
by:
morettigiorgio
Sudden Unstable Readings
jadongreen
1
793
01/25/2026
02:43:43
by:
ullix
Geigerlog 2.1
SQUALIONE
1
777
12/30/2025
01:01:14
by:
ullix
GQ GMC-800 error bought on Amazon Belgium
mikecbb18
3
1039
12/29/2025
14:34:12
by:
EmfDev
New Fast Estimate Options
EmfDev
5
1179
12/20/2025
01:42:34
by:
szetaggy
GMC-800 firmware error?
szetaggy
1
947
12/16/2025
17:34:48
by:
EmfDev
Readings on ships
Dascha
6
1423
12/10/2025
03:15:58
by:
Dascha
GQ GMC-800 Configuration of <History> screen
mccued
1
913
12/08/2025
11:18:25
by:
EmfDev
Rad Lab - Geiger tube simulation
Gissio_
0
730
11/27/2025
16:06:39
by:
Gissio_
GMC-600+ CPM should be divided by 2?
Sahim
7
2839
11/06/2025
05:17:59
by:
stainless
GQ GMC-600 Pro vs Thermo Scientific Radeye B20-ER
Goatani
1
1282
11/04/2025
03:02:22
by:
ullix
GMC-300E+ display text disappears
Mark
1
1118
10/28/2025
10:45:36
by:
EmfDev
GMC-500Plus spec
Lered
1
1185
10/15/2025
23:22:40
by:
3z_phoenix
GMC500+ use with DataViewer V2.74 needs rework
3z_phoenix
0
711
10/15/2025
00:27:32
by:
3z_phoenix
Returned GMC-800 Sent As New ???
HP41
2
1322
10/13/2025
11:33:05
by:
HP41
Zero dose readings
Shonky
6
1965
09/30/2025
23:25:19
by:
3z_phoenix
New GMC counter configuration?
ullix
4
2820
09/22/2025
12:39:02
by:
3z_phoenix
Feature suggestion: sync time with time server
sebastian
5
2986
09/22/2025
11:52:19
by:
3z_phoenix
GMC500+ Dataviewer in use with Tube2 only
3z_phoenix
0
1019
09/20/2025
05:08:40
by:
3z_phoenix
320V5 Glitch or true reading
ryleybob
0
1031
09/19/2025
01:19:25
by:
ryleybob
GMC-800: Custom firmware
ndrewtp
9
3203
09/14/2025
21:25:28
by:
Michel2017
Come on GQ - Stop the SPAM
ihab17
1
1847
09/08/2025
15:48:37
by:
EmfDev
GMC-300 Display Icons
BarryR
1
1868
09/08/2025
15:35:56
by:
EmfDev
GMC-500+ Readings Too High Compared to Other Count
skylerclooney
1
2181
09/06/2025
00:19:09
by:
ullix
Why would CPM readings for the same object differ?
GMlearner
3
4443
09/01/2025
11:05:34
by:
Kaninbjerget
GMC counter MQTT/Home Assisant integration
serial_reset
2
2400
08/31/2025
20:46:23
by:
DVE
Calibration values in GMC counter firmware
ullix
0
1043
08/27/2025
06:55:21
by:
ullix
GMC500+ new tube - what multiplier
skydiverman
4
1848
08/26/2025
23:27:32
by:
ullix
Long-Term Durability of GM Tubes in GMC Counters?
EmilyParker
2
2043
08/26/2025
08:46:09
by:
Kaninbjerget
GMC320 Plus Making Buzzing Noise, Power Cycling
kandrey89
7
1994
07/25/2025
22:52:52
by:
kandrey89
Geography of the Geiger tube in the GMC-600+
Sahim
3
1897
07/23/2025
06:38:26
by:
ullix
Tube upgrade for my GMC 500+ :)
DVE
3
1892
07/22/2025
11:22:12
by:
DVE
GMC 500+ stops counting when plugged in
mvmaltese66
1
1761
07/16/2025
13:22:07
by:
EmfDev
GMC-800
Tony
14
5095
07/09/2025
12:24:38
by:
Kaninbjerget
PM bug in GC-500
hannaconner
2
1920
07/09/2025
12:04:43
by:
Kaninbjerget
issue - displays 0 everywhere
proseol
1
1967
06/24/2025
13:29:09
by:
EmfDev
GMC-500+ High CPM - Dead tube?
Bazooka
6
4312
06/21/2025
23:11:40
by:
ullix
Anyone else ever get X-ray signals near hospitals?
Wolfess
9
3865
06/14/2025
22:26:20
by:
Wolfess
New GMC-600
Discopotato
14
3200
06/04/2025
02:41:20
by:
ihab17
GQ GMC-500+
sethen
1
2471
05/27/2025
11:19:49
by:
EmfDev
Buying a GQ GMC-500+
Hexagon
2
2189
05/23/2025
01:44:08
by:
Hexagon
GMC-300S Screen Issue
Z3R0_TH3_H3R0
2
2082
05/20/2025
09:51:50
by:
EmfDev
GMC-500 missing data?
okieman
0
1200
05/09/2025
04:53:07
by:
okieman
GMC 800 beta sensitivity
Zippotix
10
4052
05/06/2025
16:30:09
by:
ophidia
Gmc-300S history data
Tony
0
1362
04/26/2025
10:38:45
by:
Tony
Gmc-300 S Gmc-300 SE
Tony
1
2320
04/25/2025
06:29:32
by:
Tony
GMC-500
mimichris
5
2695
04/15/2025
13:02:28
by:
EmfDev
Reverse display option does not persist
UnstableIsotope
11
3225
04/14/2025
04:23:36
by:
Tony
recommended device for embedded/i2c?
msgr
8
2712
04/04/2025
11:50:48
by:
serial_reset
How to calculate ACPM and uSv/h?
serial_reset
6
2482
04/03/2025
11:25:11
by:
serial_reset
GQ GMC-800 Beta Sensitivity
Sajuuk Khar
2
3000
03/25/2025
00:43:19
by:
ullix
CQ GMC-800 clock error count
DavideMartinelli
2
2175
03/24/2025
13:01:20
by:
DavideMartinelli
GMC-500+ High Readings for Technetium-99m
dcarrion87
0
1531
03/04/2025
04:00:49
by:
dcarrion87
Tool-081 Questions
Tom Johnson
3
3906
02/27/2025
23:12:45
by:
ullix
Weird behavior of brand-new GMC500+
ullix
45
9454
02/27/2025
12:52:35
by:
EmfDev
GMC-500+ website port number other than 80?
jantman
3
4831
02/27/2025
02:17:55
by:
ullix
Yeah old GMC-800 won't shut down
ophidia
2
2604
02/18/2025
12:02:48
by:
EmfDev
MacBook/iOS and new GQ GMC-500+
LeeAutore
2
3413
02/16/2025
22:53:01
by:
Tom Johnson
GMC-800 Maximum CPM?
Randoid
2
2749
02/16/2025
15:14:50
by:
GTS
GMC-Pro 2 in 1 Radon Geiger Tabletop Meter
Stargazer 40
32
5480
01/28/2025
06:34:09
by:
MockSwede
GMC-500+ is showing as GMC-500
Cherenkov
5
2836
01/24/2025
17:19:13
by:
EmfDev
GMC-320 Reboots
duckman2000
2
2170
01/22/2025
15:27:27
by:
duckman2000
need help with GMC Dataviewer
Rokumon
7
3510
01/17/2025
17:46:06
by:
Rokumon
How do I register GQGMCounterPROr v5.61 ?
Tamis
1
2284
01/14/2025
17:10:56
by:
EmfDev
Turn off screen when updating the firmware
myweblaw
1
1655
01/05/2025
17:42:48
by:
myweblaw
PC connection with GMC-800 not working
rrizzi
2
3102
12/24/2024
07:43:35
by:
rrizzi
timed count,saved data,transfer to laptop
mishie
1
2206
12/18/2024
07:23:07
by:
ZLM
Collapsing Anode Volts with increasing Count Rate
ullix
7
2524
12/12/2024
20:31:46
by:
ZLM
Tube 1 and Tube 2 coincidence
Hamidb90
1
2210
12/11/2024
23:10:34
by:
ullix
Is GQ GMC-600 Plus sensor affected by air puff
christyyoo
1
2413
12/09/2024
04:58:49
by:
ullix
Spurious or real counts
sakhan
3
2338
12/06/2024
23:03:20
by:
sakhan
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