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Alcohol Detection Systems vs RoadGuard

Your state's approved list decides first: in most states you can only choose from the companies on it. Where both are approved, the device, the service centers near you and the fees are what differ.

Alcohol Detection Systems logoAlcohol Detection SystemsDeterminator28 of 44 state lists
RoadGuard logoRoadGuardDräger Interlock 700028 of 44 state lists

Where each one is approved

AlabamaAlaskaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaHawaiiIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island
BothOnly Alcohol Detection SystemsOnly RoadGuardNeitherNo list we could read
Both 19

Alaska, Arkansas, California, Connecticut, District of Columbia, Florida, Georgia, Idaho, Indiana, Maryland, Massachusetts, Missouri, Nebraska, New Hampshire, New Jersey, Ohio, Oklahoma, Pennsylvania, Tennessee

Only Alcohol Detection Systems 9

Arizona, Illinois, Kansas, Kentucky, Maine, Oregon, Rhode Island, South Carolina, Vermont

Only RoadGuard 9

Alabama, Iowa, Minnesota, Nevada, New York, Utah, Virginia, Washington, Wyoming

Alcohol Detection Systems vs RoadGuard: the devices

Alcohol Detection SystemsRoadGuard
How you blowThe Determinator 2 asks for a blow / suck / blow sample.1RoadGuard says it is a simple blow-and-suck device.2
CameraThe Determinator 2 comes in a hand-held version with a camera.3An integrated infrared camera is optional.4
Warm-upNo warm-up time is listed. The device must warm to operating temperature before it asks for a sample.5Under 4 seconds above 0 °C, under 60 seconds at -20 °C, and under 110 seconds at -45 °C.6
Rolling retest windowThe time you get to give a rolling retest sample is typically 3 minutes.7RoadGuard says you will have "several minutes" to give the test. It gives no figure.8
SensorNot publishedThe Interlock 7000 handset uses an electrochemical sensor.9
GPSNot publishedA GPS configuration appears in the New York listing for the 7000.10
Real-time reportingNot publishedReal-time reporting runs through an optional GPRS module.4
Operating temperatureNot published-45 °C to 85 °C.11
Size and weightNot publishedHandset about 138 x 61 x 36 mm and 178 g. Control unit about 148 x 90 x 32 mm and 300 g.12
ScreenNot publishedThe handset has a graphic color display.13
Electric and hybrid carsNot publishedNew York's fee schedule lists a higher hybrid install fee ($200 vs $100). RoadGuard makes no compatibility statement.14
BatteryNot publishedRuns on a 12 to 24 V supply, with a maximum draw under 2 A and under 1 mA on standby.15
AppNot publishedBluetooth and infrared are used for data download. There is no consumer app.16

Alcohol Detection Systems vs RoadGuard fees

FeeAlcohol Detection SystemsRoadGuard
Monthly leaseNot published$92.00Filed in New York17
InstallationNot published$100.00Filed in New York18
RemovalNot published$69.00Filed in New York19
Lockout or violation resetNot published$75.00Filed in New York20
Missed appointmentNot published$50.00Filed in New York21
Damage or lossNot published$900.00Filed in New York22
Insurance or protection planNot published$5-$10Filed in New York23

In Texas

Alcohol Detection SystemsRoadGuard
Certified service centers673
Advertisedby quoteby quote
Installby quoteby quote

Texas DPS service center list; prices advertised Oct 23, 2026. Texas interlock guide

InterlockCompare is independent and isn't affiliated with either company. Not legal advice.

Sources 23 sources from 4 sites, including nmtsc.unm.edu, roadguardinterlock.com, rockallsafety.co.ukShow

Every fact on this page comes from one of these.

  1. providing a Blow/Suck/Blow samplenmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  2. we have a simple blow and suck deviceroadguardinterlock.com
  3. Determinator Hand Held with Cameranmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  4. can be equipped with a camera and/or a GPRS modulerockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  5. The Determinator must warm to operating temperature before a sample is requestednmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  6. Readiness for use < 4 sec. (above 0 °C)rockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  7. The typical time allowed isnmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  8. You will have several minutes to give the testroadguardinterlock.com/wp-content/uploads/2019/04/interlock-7000-if-en-user-manual_1.51.pdf
  9. Measuring principle Electrochemical sensorrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  10. Draeger Interlock 7000 (Camera, GPS, & RTD)criminaljustice.ny.gov/opca/pdfs/Qualified Manufacturer Listing Devices-01202026.pdf
  11. Temperature - 45 °C to 85 °Crockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  12. Handset approx. 138 mm x 61 mm x 36 mmrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  13. Graphic colour display in handset with full text messagesrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  14. Installation Fee (Hybrid)criminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  15. 12 V to 24 Vrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  16. Infrared interface, Bluetoothrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  17. Monthly Feecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  18. Installation Fee (Standard)criminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  19. Removal Feecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  20. Violation Resetcriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  21. Missed Appointment Feecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  22. Lost, Destroyed Handset Fee (no insurance)criminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  23. Insurancecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf