SKU: 74407773244

O4 Series - Single Gas Personal Monitors

Sale price$94.50 Regular price$105.00
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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Description

O4 Series - Single Gas Personal MonitorsO4 Series Single Gas Personal Monitors Features Continuously operate for over one year (H2S & CO) Toxic gases include: NH3, Cl2, HCN, NO2, PH3 & SO2 CO with H2 elimination CO & O2 Dual Sensor Field serviceable Pocket size 2. 1(W) x 2. 6(H) x 0. 9(D), 2. 8 ounces Impact, dust, and water resistant (IP 67) Replaceable rubber boot Alligator clip with 360 rotation Audible visual vibration alarms Automatic backlight Intrinsically safe, ATEX and C US

O4 Series - Single Gas Personal Monitors

Features

Continuously operate for over one year (H2S & CO)
Toxic gases include: NH3, Cl2, HCN, NO2, PH3 & SO2
• CO with H2 elimination
• CO & O2 Dual Sensor
• Field serviceable
• Pocket size 2.1”(W) x 2.6”(H) x 0.9”(D), 2.8 ounces
• Impact, dust, and water resistant (IP-67)
• Replaceable rubber boot
• Alligator clip with 360° rotation
• Audible / visual / vibration alarms
• Automatic backlight
• Intrinsically safe, ATEX and C / US approvals
• 3 Year warranty*

The 04 Series single gas monitor is designed to operate for many years with field replaceable sensors and filters.

The 04 Series can be operated continuously for up to 9,000 hours on (2) AAA size alkaline batteries (depending on model).

The 04 Series has 3 preset alarms that are user adjustable. Each version is also equipped with visual, audible, and vibration alarms as standard.

The replacement sensors are inexpensive, easily field replaceable, and are interchangeable with other popular RKI instruments like the GX-3R, GX-3R Pro, and GasWatch 3. Sensors have a life expectancy of over 3 years and are backed by a 3 year warranty.*


Each 04 Series monitor is impact, dust, and water resistant with an IP-67 ingress protection rating. 04 Series instruments are safe for use in hazardous locations, classified as intrinsicallysafe ATEX/IECEx and by QPS to U.S. and Canadian standards for Class I, Division 1, Groups A, B, C, and D atmospheres. For additional information please visit the manufacturer web site at www.rkiinstruments.com.
* 3 year warranty on material and workmanship including sensors
(1 year warranty for Oxygen, Ammonia and Chlorine sensors)

OX-04 (replaces OX-03 SKU 72-0010)

Features

  • Continuously operate for over one year (H2S & CO)
  • Toxic gases include: NH3, Cl2, HCN, NO2, PH3 & SO2
  • CO with H2 elimination
  • CO & O2 Dual Sensor
  • Field serviceable
  • Pocket size 2.1”(W) x 2.6”(H) x 0.9”(D), 2.8 ounces
  • Impact, dust, and water resistant (IP-67)
  • Replaceable rubber boot
  • Alligator clip with 360° rotation
  • Audible / visual / vibration alarms
  • Automatic backlight
  • Intrinsically safe, ATEX and C / US approvals
  • 3 Year warranty*
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 74407773244

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4.8 ★★★★★
Based on 25 reviews
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J
Jeg
Omaha, US
★★★★★ 4
Cute donuts. Not destroyed (yet!)
These squeaky doughnuts are really cute. It’s a bonus that it comes with two. I didn’t realize that when I ordered. I have two dogs and now they won’t fight over a doughnut just kidding one dog is 14 and doesn’t play with toys anymore. The other one is six and loves toys but for some reason he’s not really into this one maybe this will change but for now he only goes after it if I throw it, I’ll update this review to comment on durability if and when he starts playing with the toy, but for now it’s very adorable because it’s just sitting on the floor. Update: he picked one up only because I put it in front of him to take the photo!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
M
MobiusBookReview
Grantham, US
★★★★★ 5
Double the Fun
This two-pack was a really nice surprise. The toys are super cute, soft, and just the right size for carrying around, which made them an instant hit with my pup. He loves having a toy he can easily grab and parade around the house, and these are perfect for that. The plush material is soft enough to make them great comfort toys, but they also have that fun squeaky element that keeps things interesting. I like that getting two in the pack gives a little backup when one gets slobbery or needs a quick cleanup. These are better for gentle play and cuddling than for heavy chewing, but for a puppy or dog that likes soft carry-around toys, they are a great choice. Adorable, fun, and a good value for a two-pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
P
Verified Purchase
Pat
San Leandro, US
★★★★★ 5
Absolute favorite toy for almost a year
My dog’s favorite toy for almost a year. It has held up amazingly. I’m sad it’s no longer available. Please bring it back!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
V
Verified Purchase
Van Wanggaard Racine Wi
Louisville, US
★★★★★ 5
Very well made!
Size: Small, Color: Bunny
This toy is great! Two squeakers and made to last even my Airedale. He doesn’t want to put it down.
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Reviewed in the United States on March 14, 2026
J
Verified Purchase
JHI
Louisville, US
★★★★★ 5
Won't last forever, but my dog loves it
Size: X-Large, Color: Giraffe
My dog, a 90 lb black lab, LOVES these toys. He does prefer the raccoon to the giraffe, but he likes them both a lot. I originally got the raccoon on clearance at Target when looking for a long toy he could play with while he was in a cone recovering from surgery (he likes to be able to hold toys between his front paws and mouth/chew on them, so none of our regular squeaky footballs were long enough for that). He loved it so much I had to find more, so I found this giraffe from the same line of toys. He's a destroyer and he has been able to put a few holes in these toys if I'm not watching him, but they're pretty easy to sew if they need patching. My mother-in-law's dog came over and made a hole so big that the squeakers and lining all came out, but I sewed it back up and it's almost as good as new. They definitely won't last forever, but they have lasted longer than other soft toys we've had in the past.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2017

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