Extech Software
Download the latest software for Extech products. 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: 380801, 380803  | 
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: 382090, 382091  | 
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: 407026, 407113, 407114, 407117, 407119, 407123, 407227, 407303, 407412, 407412A, 407445, 407495, 407510, 407768, 407777, 407860, 407850, 407907, 407910, 461880, 475055, EN300, FHT200, SD200, SD500, SD700, SD800, SDL100, SDL150, SDL200, SDL300, SDL310, SDL350, SDL400, SDL500, SDL550, SDL600, SDL700, SDL800  | 
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: 407750, 451104, 406800, RH401, RH350, RH405, RH355, HT30, 406850, CO250  | 
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: CG204, CG206, CG304  | 
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: DCP42, DCP60  | 
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: EX540, EX542 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: FO600, FO610  | 
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: MG300, MG302 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: MS420, MS460  | 
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: PQ3350, 382095, 382096  | 
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: RH520B, RH520A, RH520A-220, RH520A-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: 42260, 42270, 42280  | 
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 | |
| VPC260 Software (Last Updated: 11/14/2023)  For use with: VPC260  | 
1.0 | Win10, Win11 | |
| VPC300 Software (Last Updated: 10/12/2021)  For use with: VPC300  | 
1.6 | Win7, Win8, Win10, Win11 | |
| VPC300 Software (Last Updated: 7/25/2023)  For use with: VPC300 with serial numbers starting with an "A"  | 
2.0 | Win10, Win11 | |
| WQ500 Software (Last Updated: 9/11/2013)  For use with: WQ500, WQ510, WQ530  | 
1.0 | XP, Win7, Win8 | |
| XPorter Software (Last Updated: 08/23/2022)  For use with: TKG150, TKG250  | 
3.23.0.0 | Win7, Win8, Win10, Win11 |