Sensorcon Inspector Industrial carbon monoxide detector INS-CO-02 with vibrating alarm
Back of Sensorcon Inspector CO detector showing the steel belt clip
Side view of Sensorcon Inspector CO detector showing its slim profile

Sensorcon Inspector Industrial CO Detector with Vibrating Alarm, INS-CO-02

Regular price $174.00
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VOLUME PRICING
Buy 1–4$174.00 ea
Buy 5–9$167.04 ea
Buy 10+$160.08 ea
Mix any Sensorcon models. The discount applies automatically in your cart.
Volume orders ship free via UPS Ground. Overnight is available at checkout for an added charge.
Free 2-day shipping**Volume orders (5+ Sensorcon units) ship free via UPS Ground.


In stock. Order by 12:00 PM PT (Mon–Fri) and it ships today.


Only 27 items in stock!

The Inspector you can feel. The Sensorcon Inspector Industrial adds a vibrating alarm and intrinsic safety certification to a live carbon monoxide readout, for loud, cold or busy places where a buzzer is easy to miss.

Built for Cold Weather and Loud Places

CO problems peak in winter, when heaters, generators, cooking stoves, open flames and idling vehicles run in closed-up spaces. The Industrial clips to a jacket or belt, keeps working in freezing, wet weather, and vibrates against you if CO starts to climb, even under a hat, earmuffs or hearing protection.

Four Men in an Ice House

In January 2016, four men were fishing on Walker Bay of Leech Lake in Minnesota, inside a camper trailer converted into an ice house. It was heated by propane heaters that weren't vented. One man died, and the other three were treated for carbon monoxide poisoning. Heated, sealed-up shelters are exactly where CO builds quietly, and exactly where an early alarm matters.

What You Get

  • Three-way alarm: Vibration, flashing LED, and an 80-85 dB buzzer, at 35 and 200 ppm.
  • Certified intrinsically safe to UL 913 for Class I and II hazardous locations.
  • Live ppm readout up to 1,999 ppm, with MAX recall of the highest reading.
  • Responds in under 20 seconds.
  • Tough: IP67 waterproof and dustproof, shock-resistant, rated down to -4 °F.
  • 2+ year battery on one CR123A, and a 1-year warranty.

Want to set your own alarm levels and track all-day exposure? See the Inspector Industrial Pro (INS-CO-03). Want a 2-year warranty? See the Inspector II Industrial (INS2-CO-02).

Who It's For

  • Anyone using portable propane heaters or open flames in the cold
  • Anyone running generators or small engines
  • People who work in loud places or wear hearing protection
  • Anyone who needs a certified intrinsically safe monitor

What's in the Box

  • Sensorcon Inspector Industrial CO detector, INS-CO-02
  • Steel alligator clip with lanyard loop
  • Instruction manual

Documents: Product brochure (PDF) | Instruction manual (PDF)

Service, Savings and Backup Units

  • $49 calibration + new battery in 48 hours: Send it to our authorized Western/Central US service center for a certified-gas zero and span calibration, a new or spare battery, and a full alarm and function test. Free return shipping, and 24-hour service is available. Choose your authorized service center.
  • $25 off a backup unit: Order a Western/Central US calibration and we'll email you a code for $25 off a new Sensorcon detector, so you're never without protection while yours is in for service. Only at COdetectors.com.
  • Built to be rebuilt: When the sensor wears out, Sensorcon's $69 rebuild brings your Inspector back instead of sending it to a landfill.
  • Volume pricing: Buy 5 or more Sensorcon detectors and your price per unit drops, with an even lower price at 10 or more. Mix any models. The discount applies automatically in your cart.

Frequently Asked Questions

Will it work in freezing weather?

It's rated to operate down to -4 °F. Below that, keep it inside your jacket and clipped near your face so it stays in range and close to the air you're breathing.

Does this replace the CO alarms in my home?

No. The Inspector is a portable monitor. Keep a UL 2034 listed CO alarm on every level of your home and near sleeping areas, and use the Inspector to carry protection with you and to pinpoint where CO is coming from.

How do I keep it accurate?

Electrochemical sensors drift over time, so plan on regular calibration. Our $49 Western/Central US service includes certified-gas calibration and a new battery, back to you in 48 hours.

Compare the Legacy Inspector Models

Same sensor and live readout in every model. Here is what changes as you move up.

Sensorcon Standard INS-CO-01StandardINS-CO-01
YOU'RE VIEWING

Sensorcon Industrial INS-CO-02IndustrialINS-CO-02
Sensorcon Industrial Pro INS-CO-03Industrial ProINS-CO-03
What It Does
Live CO reading in ppm ✓ ✓ ✓
Peak (MAX) reading recall ✓ ✓ ✓
Loud buzzer, 80–85 dB ✓ ✓ ✓
Flashing light alarm ✓ ✓ ✓
Vibrating alarm — ✓ ✓
Adjustable alarm levels, 5–500 ppm — — ✓
24-hour exposure average (TWA) — — ✓
Built to Last
Certified intrinsically safe — ✓ ✓
Water, dust and shock resistant ✓ ✓ ✓
Operating temperature -4 to 122°F -4 to 122°F -4 to 122°F
Battery life 2+ years 2+ years 2+ years
Warranty 1 year 1 year 1 year
Assembled in the USA ✓ ✓ ✓
Service at COdetectors.com
$49 calibration + new battery, 48 hours ✓ ✓ ✓
$69 Sensorcon rebuild ✓ ✓ ✓
Best for Home, RV, travel and everyday carry Garages, workshops and loud places Custom alarm levels and all-day exposure tracking

See calibration and rebuild details.

Return Policy: Due to the safety-critical nature of CO detectors and the limited life of the sensor, any unit that has been powered on, activated, or used in any manner may only be returned for exchange if it is determined defective by our technical services department. An RMA number is required before returning any product. Please contact us at moreinfo@codetectors.com for assistance.