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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:
USB Driver verification
ZLM
10
21928
01/19/2026
01:53:25
by:
Munster34
Sticky:
GeigerLog - Version 2.1 released
1
2
ullix
144
34637
12/23/2025
07:30:09
by:
ullix
Sticky:
GQ GMC-060,080,280 GMC-300,GMC-320 customized tube
ZLM
41
38813
05/05/2025
11:01:53
by:
EmfDev
Sticky:
Radiation safe dose at American Nuclear Society
ZLM
7
16670
01/11/2025
19:10:11
by:
GBG12
Sticky:
For those wishing to calibrate their unit
Alchemy2
15
20878
08/17/2024
16:32:09
by:
Tony81269
Sticky:
Measuring Tube Voltage
ZLM
23
29799
02/15/2023
23:23:50
by:
ullix
Sticky:
Dead Time Integration and Calibration Part 2
Stargazer 40
4
11614
08/13/2020
03:17:23
by:
Searinox
Sticky:
youtube review
ZLM
10
20451
12/13/2019
21:39:27
by:
ZLM
Sticky:
USB driver for GMC-300V3 GMC-320V3 & older Version
ZLM
5
14538
10/14/2014
07:44:42
by:
GnaeX
Diving into the Fun of Football Bros
Ewanoole
0
14
01/31/2026
00:53:34
by:
Ewanoole
ACPM Does Not Change in History Data
Harold
3
2091
01/30/2026
21:09:20
by:
Thomasmyers
GMC 600Pro no alarm when beep/click is turned off
gquser1
4
120
01/30/2026
12:47:35
by:
EmfDev
Get a Logic Pulse out of a counter for each Count?
ullix
4
109
01/30/2026
03:31:40
by:
ullix
Led control
morettigiorgio
2
31
01/30/2026
01:17:27
by:
morettigiorgio
GMC Geiger Counters Latest Firmware Revisions
Bobakman
30
5296
01/26/2026
11:23:15
by:
EmfDev
Sudden Unstable Readings
jadongreen
1
162
01/25/2026
02:43:43
by:
ullix
What is the latest firmware for GMC-500+
cvee
3
428
01/20/2026
17:55:31
by:
gquser1
Geigerlog 2.1
SQUALIONE
1
243
12/30/2025
01:01:14
by:
ullix
GQ GMC-800 error bought on Amazon Belgium
mikecbb18
3
415
12/29/2025
14:34:12
by:
EmfDev
GMC-800 - FIRMWARE
gaag0004
1
220
12/29/2025
14:33:35
by:
EmfDev
New Fast Estimate Options
EmfDev
5
501
12/20/2025
01:42:34
by:
szetaggy
GMC-800 firmware error?
szetaggy
1
306
12/16/2025
17:34:48
by:
EmfDev
Readings on ships
Dascha
6
765
12/10/2025
03:15:58
by:
Dascha
GQ GMC-800 Configuration of <History> screen
mccued
1
360
12/08/2025
11:18:25
by:
EmfDev
600 Pro reading anomalously low
DeivF
17
1184
11/28/2025
17:55:24
by:
EmfDev
Rad Lab - Geiger tube simulation
Gissio_
0
336
11/27/2025
16:06:39
by:
Gissio_
Checking GMC-320S accuracy after long storage
smanna
1
540
11/22/2025
05:14:27
by:
ullix
GMC-600+ CPM should be divided by 2?
Sahim
7
1549
11/06/2025
05:17:59
by:
stainless
GQ GMC-600 Pro vs Thermo Scientific Radeye B20-ER
Goatani
1
582
11/04/2025
03:02:22
by:
ullix
GMC-300E+ display text disappears
Mark
1
578
10/28/2025
10:45:36
by:
EmfDev
GMC-500Plus spec
Lered
1
613
10/15/2025
23:22:40
by:
3z_phoenix
GMC500+ use with DataViewer V2.74 needs rework
3z_phoenix
0
369
10/15/2025
00:27:32
by:
3z_phoenix
Returned GMC-800 Sent As New ???
HP41
2
745
10/13/2025
11:33:05
by:
HP41
Zero dose readings
Shonky
6
1396
09/30/2025
23:25:19
by:
3z_phoenix
New GMC counter configuration?
ullix
4
2162
09/22/2025
12:39:02
by:
3z_phoenix
Feature suggestion: sync time with time server
sebastian
5
2434
09/22/2025
11:52:19
by:
3z_phoenix
GMC500+ Dataviewer in use with Tube2 only
3z_phoenix
0
693
09/20/2025
05:08:40
by:
3z_phoenix
320V5 Glitch or true reading
ryleybob
0
685
09/19/2025
01:19:25
by:
ryleybob
GMC-800: Custom firmware
ndrewtp
9
2353
09/14/2025
21:25:28
by:
Michel2017
Come on GQ - Stop the SPAM
ihab17
1
1331
09/08/2025
15:48:37
by:
EmfDev
GMC-300 Display Icons
BarryR
1
1347
09/08/2025
15:35:56
by:
EmfDev
GMC-500+ Readings Too High Compared to Other Count
skylerclooney
1
1577
09/06/2025
00:19:09
by:
ullix
Why would CPM readings for the same object differ?
GMlearner
3
2038
09/01/2025
11:05:34
by:
Kaninbjerget
GMC counter MQTT/Home Assisant integration
serial_reset
2
1780
08/31/2025
20:46:23
by:
DVE
Calibration values in GMC counter firmware
ullix
0
686
08/27/2025
06:55:21
by:
ullix
GMC500+ new tube - what multiplier
skydiverman
4
1288
08/26/2025
23:27:32
by:
ullix
Long-Term Durability of GM Tubes in GMC Counters?
EmilyParker
2
1239
08/26/2025
08:46:09
by:
Kaninbjerget
GMC320 Plus Making Buzzing Noise, Power Cycling
kandrey89
7
1410
07/25/2025
22:52:52
by:
kandrey89
Geography of the Geiger tube in the GMC-600+
Sahim
3
1341
07/23/2025
06:38:26
by:
ullix
Tube upgrade for my GMC 500+ :)
DVE
3
1333
07/22/2025
11:22:12
by:
DVE
GMC 500+ stops counting when plugged in
mvmaltese66
1
1237
07/16/2025
13:22:07
by:
EmfDev
GMC-800
Tony
14
3468
07/09/2025
12:24:38
by:
Kaninbjerget
PM bug in GC-500
hannaconner
2
1301
07/09/2025
12:04:43
by:
Kaninbjerget
issue - displays 0 everywhere
proseol
1
1441
06/24/2025
13:29:09
by:
EmfDev
GMC-500+ High CPM - Dead tube?
Bazooka
6
3672
06/21/2025
23:11:40
by:
ullix
Anyone else ever get X-ray signals near hospitals?
Wolfess
9
3308
06/14/2025
22:26:20
by:
Wolfess
New GMC-600
Discopotato
14
2475
06/04/2025
02:41:20
by:
ihab17
GQ GMC-500+
sethen
1
1702
05/27/2025
11:19:49
by:
EmfDev
Buying a GQ GMC-500+
Hexagon
2
1632
05/23/2025
01:44:08
by:
Hexagon
GMC-300S Screen Issue
Z3R0_TH3_H3R0
2
1546
05/20/2025
09:51:50
by:
EmfDev
GMC-500 missing data?
okieman
0
910
05/09/2025
04:53:07
by:
okieman
GMC 800 beta sensitivity
Zippotix
10
2595
05/06/2025
16:30:09
by:
ophidia
Gmc-300S history data
Tony
0
1024
04/26/2025
10:38:45
by:
Tony
Gmc-300 S Gmc-300 SE
Tony
1
1800
04/25/2025
06:29:32
by:
Tony
GMC-500
mimichris
5
2161
04/15/2025
13:02:28
by:
EmfDev
Reverse display option does not persist
UnstableIsotope
11
2703
04/14/2025
04:23:36
by:
Tony
recommended device for embedded/i2c?
msgr
8
2127
04/04/2025
11:50:48
by:
serial_reset
How to calculate ACPM and uSv/h?
serial_reset
6
1910
04/03/2025
11:25:11
by:
serial_reset
GQ GMC-800 Beta Sensitivity
Sajuuk Khar
2
1829
03/25/2025
00:43:19
by:
ullix
CQ GMC-800 clock error count
DavideMartinelli
2
1667
03/24/2025
13:01:20
by:
DavideMartinelli
GMC-500+ High Readings for Technetium-99m
dcarrion87
0
1172
03/04/2025
04:00:49
by:
dcarrion87
Tool-081 Questions
Tom Johnson
3
2795
02/27/2025
23:12:45
by:
ullix
Weird behavior of brand-new GMC500+
ullix
45
8377
02/27/2025
12:52:35
by:
EmfDev
GMC-500+ website port number other than 80?
jantman
3
4006
02/27/2025
02:17:55
by:
ullix
Yeah old GMC-800 won't shut down
ophidia
2
2055
02/18/2025
12:02:48
by:
EmfDev
MacBook/iOS and new GQ GMC-500+
LeeAutore
2
2824
02/16/2025
22:53:01
by:
Tom Johnson
GMC-800 Maximum CPM?
Randoid
2
2055
02/16/2025
15:14:50
by:
GTS
GMC-Pro 2 in 1 Radon Geiger Tabletop Meter
Stargazer 40
32
4146
01/28/2025
06:34:09
by:
MockSwede
GMC-500+ is showing as GMC-500
Cherenkov
5
2203
01/24/2025
17:19:13
by:
EmfDev
GMC-320 Reboots
duckman2000
2
1642
01/22/2025
15:27:27
by:
duckman2000
need help with GMC Dataviewer
Rokumon
7
2673
01/17/2025
17:46:06
by:
Rokumon
How do I register GQGMCounterPROr v5.61 ?
Tamis
1
1743
01/14/2025
17:10:56
by:
EmfDev
Turn off screen when updating the firmware
myweblaw
1
1306
01/05/2025
17:42:48
by:
myweblaw
PC connection with GMC-800 not working
rrizzi
2
2406
12/24/2024
07:43:35
by:
rrizzi
timed count,saved data,transfer to laptop
mishie
1
1669
12/18/2024
07:23:07
by:
ZLM
Collapsing Anode Volts with increasing Count Rate
ullix
7
1962
12/12/2024
20:31:46
by:
ZLM
Tube 1 and Tube 2 coincidence
Hamidb90
1
1697
12/11/2024
23:10:34
by:
ullix
Is GQ GMC-600 Plus sensor affected by air puff
christyyoo
1
1852
12/09/2024
04:58:49
by:
ullix
Spurious or real counts
sakhan
3
1818
12/06/2024
23:03:20
by:
sakhan
GMC 500+ . Seems a problem with tube 2
sakhan
4
1870
11/29/2024
20:00:50
by:
sakhan
Solved Data Viewer for GMC-800 won't install W 11
bobsheep
3
1269
11/28/2024
07:31:38
by:
bobsheep
GQ GMC-300S Battery Removal and Calibration
Frank61845
3
1900
11/27/2024
16:31:04
by:
EmfDev
Battery for GMC-320 Plus
marcus1911
2
2282
11/20/2024
00:44:02
by:
marcus1911
Installing GeigerLog on Mac
Opsimath
3
2742
11/19/2024
17:57:48
by:
EmfDev
Levels DANGEROUS???
hooliganbear
5
2463
11/14/2024
13:59:34
by:
GTS
GMC-320+ boot loop
bassgojoe
1
1794
11/13/2024
13:23:31
by:
EmfDev
GMC-800 rev. 1.09 bugs - and some suggestions
Kaninbjerget
13
2934
11/05/2024
22:18:44
by:
Michel2017
Dosimeter "mode" and its alarm (GMC-500+)
2072
8
2778
10/29/2024
11:22:26
by:
Bobofruit
Need to find regular user's manual for GMC 300E
laurask
2
1988
10/17/2024
00:05:39
by:
ullix
GMC-800 records lethal doses on start-up
Todd
1
1821
10/17/2024
00:02:46
by:
ullix
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