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Extech Software Downloads

Software Downloads

Download the latest product software. Select the model number and click Download icon to begin the download process.

  PN / Description Version Compatibility
380193 Software (Last Updated: 4/22/2016)
For use with: 380193
1.9 Win7, Win8, Win10, Win11
380281/380282 Software (Last Updated: 6/10/2002)
Note: Software for discontinued 380281 and 380282 Dual True RMS Digital MultiMeters
1.0 95, 98
380288/380289 Software (Last Updated: 4/24/1997)
Note: Software for discontinued 380288 and 380289 True RMS/THD Digital MultiMeters
1.0 95, 98
380340 Software (Last Updated: 3/22/2006)
For use with: 380340
1.0 95, 98, ME, NT, 2000, XP
380365 Software (Last Updated: 6/10/2002)
Note: Software for discontinued 380365 Autoranging Insulation Tester
2.02 95, 98
380366 Software (Last Updated: 2/26/2003)
For use with: 380366
1.3 95, 98, ME, NT, 2000, XP
380801/380803 Software (Last Updated: 11/25/2019)
For use with: 380801380803
6.7 Win7, Win8, Win10
380900 Software (Last Updated: 4/20/2006)
For use with: 380900
2.3 95, 98, ME, NT, 2000, XP
381270/381275 Software (Last Updated: 6/10/2002)
Note: Software for discontinued 381270 and 381275 Handheld Multiscopes
3.1B 95, 98, NT, 2000
381285 Software (Last Updated: 7/23/2003)
For use with: 381285
3.6A 95, 98, ME, NT, 2000, XP
381295 Software (Last Updated: 8/28/2006)
For use with: 381295
3.05 95, 98, 2000, XP
381295A Software (Last Updated: 8/26/2008)
For use with: 381295A
3.0.3 95, 98, ME, NT, 2000, XP
382060 Software (Last Updated: 6/10/2002)
Note: Software for discontinued 382060 Clamp-On Power Datalogger
3.4 95, 98
382068 Software (Last Updated: 8/3/2011)
For use with: 382068
7.2 XP, Vista, Win7
382090/382091 Software (for v.3.7 firmware) (Last Updated: 7/29/2011)
For use with: 382090382091
8.0 XP, Vista, Win7
382207 Software (Last Updated: 6/10/2002)
Note: Software for discontinued 382207 Digital DC Power Supply
2.0 95, 98, ME, NT, 2000, XP
382860 Software (Last Updated: 8/15/1995)
Note: Software for discontinued 382860 True RMS Digital MultiMeter
1.0 95, 98
383273/383274 Software (Last Updated: 10/13/1997)
Note: Software for discontinued 383273 and 383274 Datalogging Digital MultiMeters
2.14 95, 98
401036 Software (Last Updated: 2/11/2011)
For use with: 401036
7.0 XP, Vista, Win7
407001 USB Driver (Last Updated: 7/19/2022) 2.12.36.4 Win7, Win8, Win10, Win11

407001-PRO Software (Last Updated: 1/18/2021)
For use with: 407026407113407114407117407119407123407227407303,    407412407412A407445407495407510,                  407768407777407860407850407907407910461880475055EN300,   FHT200SD200SD500SD700SD800SDL100,   SDL150SDL200SDL300SDL310SDL350SDL400SDL500SDL550,   SDL600SDL700SDL800

1.0 Win7, Win8, Win10, Win11
407354 Software (Last Updated: 9/25/2002)
Note: Software for discontinued 407354 Noise Dosimeter
2.2 95, 98, NT, 2000
407355 Software (Last Updated: 4/12/2018)
For use with: 407355
10.02 Win7, Win8, Win10
407752 Software (Last Updated: 9/27/2022)
For use with: 407750451104406800RH401RH350RH405RH355HT30406850CO250
3.2 Win7, Win8, Win10, Win11
407760 Software (Last Updated: 3/14/2022)
For use with: 407760
2.2 Win7, Win8, Win10, Win11
407762 Software (Last Updated: 12/18/1997)
Note: Software for discontinued 407762 Datalogging Sound Level Meter
1.25 95, 98
407764 Software (Last Updated: 4/14/2005)
For use with: 407764
6.1 95, 98, ME, NT, 2000, XP
407764A Software (Last Updated: 7/12/2012)
For use with: 407764
7.0 Vista, Win7
407768 Software (Last Updated: 11/22/2005)
For use with: 407768
0509A 95, 98, NT, 2000, XP
407780 Software (Last Updated: 2/28/2003)
For use with: 407780
2.1 95, 98, ME, NT, 2000, XP
407780A Software (Last Updated: 2/8/2018)
For use with: 407780A
10.04 Win7, Win8, Win10, Win11
407790 Software (Last Updated: 6/10/2002)
For use with: 407790
1.3 95, 98, ME, NT, 2000, XP
407790A Software (Last Updated: 9/26/2016)
For use with: 407790A
10.02 Win7, Win8, Win10, Win11
421508 Software (Last Updated: 9/9/1998)
Note: Software for discontinued 421508 Dual Input, 3 Display Thermometer
1.0 95, 98, NT, 2000
421509 Software (Last Updated: 4/22/2016)
For use with: 421509
1.15 Win7, Win8, Win10
422130 Software (Last Updated: 5/20/2002)
Note: Software for discontinued 422130 J/K Thermometer Datalogger
2.2 95, 98, ME, NT, 2000, XP
422315 Software (Last Updated: 8/22/2003)
Note: Software for discontinued 422315 Datalogging Thermometer
2.3 95, 98, ME, NT, 2000, XP
42560 Software (Last Updated: 3/29/2007)
For use with: 42560
1.0 XP, Vista, Win7
42570 Software (Last Updated: 11/9/2022)
For use with: 42570
2.3.1 Win7, Win8, Win10, Win11
446580 Software (Last Updated: 6/10/2002)
For use with: 446580
2.2 95, 98, ME, NT, 2000, XP
451104 Software (Last Updated: 11/15/2002)
For use with: 451104
1.5 95, 98, ME, NT, 2000, XP
451126 Software (Last Updated: 3/19/2009)
For use with: 451126
5.0 95, 98, ME, NT, 2000, XP
461501 Software (Last Updated: 6/10/2002)
Note: Software for discontinued 461501 Digital Tachometer Counter
3.6 95, 98, ME, NT, 2000
AN340 Software (Last Updated: 3/12/2018)
For use with: AN340
3.1 Win7, Win8, Win10, Win11
BRD10 Software (Last Updated: 5/24/2011)
For use with: BRD10
9.0 XP, Vista, Win7
BT100 Software (Last Updated: 8/24/2017)
For use with: BT100
10.05 Win7, Win8, Win10, Win11
Coating Thickness Tester Software (Last Updated: 12/28/2021)
For use with: CG204CG206CG304
2.6.0 Win7, Win8, Win10, Win11
CMM-13/15 Software (Last Updated: 5/19/2000)
Note: Software for discontinued CMM-13 and CMM-15 Process Calibrator DMMs
1.03 95, 98
CO210 Software (Last Updated: 3/11/2021)
For use with: CO210
3.0 Win7, Win8, Win10, Win11
CO240 Software (Last Updated: 11/10/2021)
For use with: CO240
2.1 Win7, Win8, Win10, Win11
CO260 Software (Last Updated: 7/20/2017)
For use with: CO260
2.0 Win7, Win8, Win10, Win11
DCP42/DCP60 Software (Last Updated: 8/1/2018)
For use with: DCP42DCP60
2.0.l Win7, Win8, Win10, Win11
DL150 Software (Last Updated: 2/8/2018)
For use with: DL150
2.2 Win7, Win8, Win10, Win11
DL160 Software (Last Updated: 11/9/2018)
For use with: DL160
2.4 Win7, Win8, Win10, Win11
DT500 Mobile Software (iPhone/iPad) (Last Updated: 4/25/2015)
For use with: DT500
1.0 iOS 7.0 or later
EA15 Software (Last Updated: 8/30/2019)
For use with: EA15
10.02 Win7, Win8, Win10, Win11
EA25 Software (Last Updated: 3/30/2018)
For use with: EA25
10.02 Win7, Win8, Win10
EA80 Software (Last Updated: 9/27/2016)
For use with: EA80
10.01 Win7, Win8, Win10, Win11
EX540A Software (Last Updated: 1/5/2017)
For use with: EX540EX542 with serial numbers starting with an "A"
2.1 Win7, Win8, Win10
Fiber Owl/Micro Owl Software (Last Updated: 6/7/2002)
For use with: FO600FO610
1.6.0 95, 98, ME, NT, 2000, XP
HD300 Software (Last Updated: 1/5/2017)
For use with: HD300
2.3 Win7, Win8, Win10, Win11
HD350 Software (Last Updated: 03/15/2019)
For use with: HD350
2.3 Win7, Win8, Win11
HD400 Software (Last Updated: 08/10/2017)
For use with: HD400
2.3 Win7, Win8, Win10, Win11
HD450 Software (Last Updated: 8/23/2019)
For use with: HD450
2.3.3 Win7, Win8, Win10, Win11
HD500 Software (Last Updated: 9/7/2017)
For use with: HD500
2.1 Win7, Win8, Win10, Win11
HD600 Software (Last Updated: 11/15/2017)
For use with: HD600
3.7.1 Win7, Win8, Win10
HD700 Software (Last Updated: 10/26/2017)
For use with: HD700
2.3 Win7, Win8, Win10, Win11
HD750 Software (Last Updated: 7/20/2017)
For use with: HD750
2.2.1 Win7, Win8, Win10, Win11
HD755 Software (Last Updated: 10/13/2017)
For use with: HD755
1.2 Win7, Win8, Win10, Win11
MC108 Software (Last Updated: 10/20/2009)
For use with: MC108
3.08 2000, XP, Vista
MC200 Software (Last Updated: 11/7/2012)
For use with: MC200
2.1 2000, XP, Vista, Win7
MG300A Software (Last Updated: 9/26/2017)
For use with: MG300MG302 with serial numbers starting with an "A"
1.9.2 Win7, Win8, Win10, Win11
ML710/ML720 Software (Last Updated: 6/11/2002)
For use with: ML720
4.1.1.0 95, 98, ME, NT, 2000, XP
MS420/MS460 Software (Last Updated: 4/21/2010)
For use with: MS420MS460
2.0 XP, Vista
PQ2071 Software (Last Updated: 7/1/2021)
For use with: PQ2071
2.8.6.0 Win7, Win8, Win10, Win11
PQ3350 Software (Last Updated: 1/16/2020)
For use with: PQ3350382095382096
7.0 Win7, Win8, Win10, Win11
RHT10 Software (Last Updated: 1/2/2020)
For use with: RHT10
5.8.3 Win7, Win8, Win10, Win11
RHT20 Software (Last Updated: 3/28/2022)
For use with: RHT20
3.4 Win7, Win8, Win10, Win11
RH520 ExChart Software (Last Updated: 7/30/2020)
For use with: RH520BRH520ARH520A-220RH520A-240
4.2.1 Win7, Win8, Win10, Win11
RHT50 Software (Last Updated: 3/14/2022)
For use with: RHT50
3.1 Win7, Win8, Win10, Win11
SL355 Software (Last Updated: 5/2/2018)
For use with: SL355
10.10 Win7, Win8, Win10
SL400 Software (Last Updated: 7/22/2021)
For use with: SL400
1.3.02 Win7, Win8, Win10, Win11
TrLog Software (Last Updated: 3/23/2017)
For use with: 422604227042280
4.0 Win7, Win8, Win10, Win11
SW800 Data-Acquisition Software (Last Updated: 6/11/2002)
Note: Software for discontinued MP510 and MP530 MultiPro® multimeters
4.1.1.0 95, 98, ME, NT, 2000, XP
SW805 Data-Acquisition Software (Last Updated: 6/10/2002)
Note: Software for discontinued MT310, MT320 and MT330 MultiTec Digital MultiMeters
4.0 95, 98
SW810 Data-Acquisition Software (Last Updated: 6/11/2002)
Note: Software for discontinued MM560 and MM570 MultiMaster® multimeters
5.1.0.4 95, 98, ME, NT, 2000, XP
TH10 Software (Last Updated: 4/5/2011)
For use with: TH10
5.0 Win7, Win8, Win10, Win11
TH10A Software (Last Updated: 4/25/2022)
For use with: TH10 with serial numbers starting with "A"
1.9.6 Win7, Win8, Win10, Win11
USB100 Software (Last Updated: 10/19/2018)
For use with: USB100
1.0 Win7, Win8, Win10, Win11
VB300 Software (Last Updated: 03/08/2022)
For use with: VB300
3.2 Win7, Win8, Win10, Win11
VPC300 Software (Last Updated: 10/12/2021)
For use with: VPC300
1.6 Win7, Win8, Win10, Win11
WQ500 Software (Last Updated: 9/11/2013)
For use with: WQ500WQ510WQ530
1.0 XP, Win7, Win8
XPorter Software (Last Updated: 08/23/2022)
For use with: TKG150TKG250
3.23.0.0 Win7, Win8, Win10, Win11