ToxiRAE II (PGM-1187) Chlorine Dioxide (CLO2) Gas Detector
  • CLO2
ToxiRAE II (PGM-1187) Chlorine Dioxide (CLO2) Gas Detector

Product Code - 045-0523-000

exc VAT £241.00 inc VAT £289.20

Additional services

Gas detection equipment requires service and calibration every 6 months. In acknowledgement of this we are offering you your first calibration at a special rate.
Description / Features / Spec


ToxiRAE II (PGM-1187) Chlorine Dioxide (CLO2) Gas Detector

The ToxiRAE II is an intrinsically safe Chlorine Dioxide monitor.  It’s ideal for applications including the oil and gas industry, chemical plants, fire service, industrial safety, pulp and paper and waste-water treatment plants, landfill operations, power plants and also steel mills.

Various other sensors are available for this compact and lightweight single gas detector.

The corrosion-resistant, stainless steel alligator clip will give you the confidence that your CLO2 monitor can be safely secured onto a hardhat, shirt pocket, shoulder strap or belt.

Key Features

  • Bright, easy-to-read LCD screen displays gas concentrations, STEL, TWA and peak values
  • One-button operation makes ToxiRAE II simple to use
  • Filter, battery and sensor (sensor – Europe and Asia only)
  • Durable, impact-resistant ABS carbon-loaded housing
  • Protective rubber boot or wrist strap are available as extra accessories


Range 0 to 1 ppm


0.01 ppm

3.6" x 1.9" x 0.9" (9.3 cm x 4.9 cm x 2.2 cm)

Weight 3.6 oz (102 g) with clip

Operating Period

2 years typical battery life when used 8 hours/day with less than 5 minutes of alarms per day (User-replaceable 2/3 AA high-capacity Lithium battery - use only RAE Systems batteries)
Humidity 5-95% RH non-condensing
Temperature -4° F to 104° F (-20° C to 40° C)
IP Rating IP 65 – water and dust-resistant
  • Audible: 90dB at 10 cm
  • Visible: Bright red/green LED bar visible from top, front, and sides
  • Sensory: Built-in vibration alarm
  • High: Displays “High,” emits 3 beeps and flashes every 3 seconds
  • Low: Displays “Low,” 2 beeps and flash every 3 seconds
  • STEL: Displays “STEL,” 1 beep and flash every 3 seconds
  • TWA: Displays “TWA,” 1 beep and flash every 3 seconds
  • Low battery: Displays empty battery symbol, 1 beep per minute
Hazardous Area Approval
  • UL/cUL Classified as Intrinsically Safe for use in Class I Division 1, Groups A, B, C, D
  • Hazardous Locations T5 rating (UL/cUL, ATEX)
  • ATEX, II 1G, EEx ia IIB T5, or II 2G, EEx ia IIC T5
  • CE Mark, European Conformity
  • IECEx Ex ia IICT4
Warranty 1 year


Two-point field calibration
What’s Included
  • ToxiRAE II Detector with sensor as specified
  • Operation and maintenance manual
  • Rugged stainless steel alligator clip (installed)
  • Calibration adapter
  • High capacity Lithium battery installed

Product Reviews

Unit works as expected. Fit for purpose

Read more reviews on Feefo


We offer a range of delivery options to suit your needs including FREE UK delivery on all orders.  All UK and International orders are sent using a fully trackable and reliable courier service.  You will receive an email notification upon despatch of your order and tracking details can be requested at any time should you wish to check the status of your delivery.

Shipping costs are dependant on delivery address and will be calculated at the time of checkout.  Delivery costs are based on a maximum weight of 20kg and maximum dimensions of 40 x 40 x 40 cm.  For orders exceeding these weights and dimensions, please contact us on [email protected] for a delivery quote.

For UK orders, goods will normally be delivered within 3 - 5 working days and for all other orders within 5 - 10 working days.  Delivery timescales are based on stock availability and are subject to change at any time. 

Note: We recommend you inspect all goods prior to signing for and accepting delivery. If there is any visible damage to the outer packaging, ensure goods are sign for as damaged. In instances where it isn’t possible to sign for goods as damaged, these should be signed for as unexamined.



Should you wish to cancel an order or return unwanted goods please follow the procedures detailed below to help us ensure cancellations/returns are processed as quickly and efficiently as possible.

Simply log on to your customer account, note the order reference number and email the full cancellation details to [email protected] or contact us on 0844 550 0001. Assuming the order has not been despatched we will cancel.

You have the right to cancel the purchase of goods without having to give a reason at any time within the “cooling off period” of seven working days, beginning the day after you take delivery of your order.

You must notify us of your cancellation in writing via email to [email protected] or to our contact address. (Details Here)

If you are in possession of the goods you are under the duty to retain them and take reasonable care of them.

You must send the goods back to us in their original condition to our contact address at your own cost (unless we delivered the item to you in error or the item is damaged or defective) as soon as possible once you have cancelled the contract.

Alternatively we will collect the goods from you which will incur a charge no greater than the actual cost of arranging the collection and shipping. In this case you must make the goods available for collection. We will contact you to make further arrangements.

We reserve the right to make a charge not exceeding our direct costs of recovering the goods if you do not return the goods or return them at our expense.

Upon receipt of returned items in satisfactory condition we will arrange a full credit by the same method used to pay for the goods originally. Any credit due will be processed within a maximum of thirty days.

Note: If you wish to return goods for refund or exchange after 14 days, a re-stocking fee of 20% of the full order total will apply.

If upon receipt of goods you find them to be faulty, damaged or if you have been incorrectly supplied an item, you should notify us within 24 hours by contacting 0844 500 0001 or [email protected] and quoting your order number and contact details.

Frontline Safety will arrange uplift of any damaged or wrongly received goods and if on inspection of goods we also find them to be damaged, faulty or incorrectly supplied, we will offer replacement goods or provide a full refund.

We recommend you inspect all goods prior to signing for and accepting delivery. If there is any visible damage to the outer packaging, ensure goods are sign for as damaged. In instances where it isn’t possible to sign for goods as damaged, these should be signed for as unexamined.

Note: If your goods happen to develop a fault out with the standard returns period but within supplied warranty period or if you require any additional assistance, please contact us on 0844 550 0001 or email [email protected]


All postage, handling, customs and duty charges for all returned goods are the responsibility of the customer. We recommend using a fully traceable, insured service as goods are your responsibility while in transit.

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Related Blog Post


Even though the ToxiRAE II continuously displays gas concentration, short-term exposure limit (STEL), time-weighted average (TWA), and peak values for gases such as H2S, CO, O2, NH3, CI2, CIO2, HCN, NO, NO2, PH3, and SO2 (depending on the unit you’ve purchased), the supplied battery will last for around a staggering 2 years, assuming typical use of about 8 hours a day.

Product Video

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