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Rki Instruments Gx-3R Four Gas Monitor

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$1,134.84
SKU:
GX-3R
Condition:
New
Availability:
In Stock
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Rki Instruments Gx-3R Four Gas Monitor

$1,134.84
Rki Instruments Gx-3R Four Gas Monitor Osha Defines The Breathing Zone As A Ten Inch Radius Around The WorkerS Nose And Mouth, And Requires That Worker Exposure Monitoring Air Samples Be Collected In The Breathing Zone. Air Sampling Filters May Be Attached To The Collar Or Lapel. Traditionally This Means Only A Single Gas Monitor Would Be Small Enough For A Worker To Practically Wear A Gas Monitor ¬š¬¹Æ’‚¬¦…œIn The Breathing Zone. Now There Is A 4 Gas Monitor Smaller Than Many Single Gas Monitors. The Gx-3R Is The Worlds Smallest 4 Gas Monitor Weighing Only 3.52 Ounces And Can Comfortably Be Clipped Within A WorkerS Breathing Zone (2.2W X 2.55H X 1.02D). It Simultaneously Monitors And Displays Lel Combustibles, O2, Co (Hydrogen Compensated Co Also Available), And H2S. The Gx-3R Represents The Latest Evolution Of Gas Detection Technology Utilizing A New Generation Of Micro Sensors. The Lel Sensor Has A Unique Design With Two Active Filaments In One Sensor To Increase ItS Resistance To Silicone Poisoning. If One Filament Gets Poisoned The Second Filament Takes Over. The New O2 Sensor Is Electrochemical With A 3 To 5 Year Life Span. H2S And Co Are Now Available In A Combo Micro Sensor. Safety Supervisors Will Appreciate The Non-Compliance Indicator. The Instrument Flashes ItS 3 Led Lights Every 30 Seconds In The Following Conditions; If The Instrument Has Not Been Bump Tested, Or If Calibration Is Due, Or If There Was A Gas Alarm Event. The 3 Led Lights Will Continue To Flash Once Every 30 Seconds Until The Non-Compliance Condition Has Been Resolved. The 30 Second Interval Is Adjustable. Features Smallest & Lightest 4 Gas Monitor 2.2¬³ W X 2.55¬³ H X 1.02¬³ D, 3.52 Ounces Simultaneous Detection Of 4 Gases Lel, O2, H2S & Co H2 Compensated Co Sensor Available Simple 2-Button Operation Non-Compliance Indicator Alarms: Audible, Visual, & Vibration 3 User Adjustable Alarm Levels Impact Resistant Body With Removable Rubber Boot Large Lcd Auto-Backlit Display 25 Hours Of Operation (Lithium-Ion Battery) Field Replaceable Sensors & Filters Water And Dust Resistant Design, Ip66/68 3 Year Warranty The New Riken Keiki Gx-3R (Available April 2019) Is The Smallest And Lightest 4 Gas Confined Space Monitor Available Today. With A Size Of 58 Cm Wide, 65 Cm High And Weighing 100G, The Riken Keiki Gx-3R Can Be Defined As True Craftsmanship. The Riken Keiki Gx-3R Is Perfect For Confined Space Work As Its Size Means It Does Not Interfere With Work Even If It Is Attached In The Breathing Zone. Battery Life: The Riken Keiki Gx-3R Has A Build In Extended Battery Mode Which Allows The Monitor To Be Used Continuously For Up To 40 Hours Before Recharging. Ip66/68 Compliance, As Well As A Three-Year Sensor Warranty, Allows The Riken Keiki Gx-3R To Be Used With Confidence. Alarm: The Gx-3R Has 3 Preset Alarm Settings Per Gas And An Over Alarm Which Allows The Alarms To Be Set At Eh40 Workplace Exposure Limits Plus An Additional Alarm For A Higher Detection Range. The Gx-3R Internal Data Logger Allows 3600 Event Logs And 300 Hours Which Can Be Read Out Using An Irda Link. A Loud 95Db Alarms Buzzer Is Also Included. Operating Temperature Range: The Riken Keiki Gx-3R Has An Operating Temperature Range Of -40 Degrees Celcius To +60 Degrees Celcius (Intermittent) Or -20 Degrees Celcius +50 Degrees Celcius (Continuous) Allow The Gx-3R To Be Used In Many Different Environments And Applications. New Confined Space Monitor Has 3 Sensor Design The Gx-3R Uses 3 Compact Sensors Including A Brand New Electro-Chemical Oxygen Sensor. The Riken Keiki Gx-3R Confined Space Monitor Will Detect, Combustibles, Hydrogen Sulphide, Oxygen As Well As Carbon Monoxide. A 3-Year Sensor Warranty Is Now Standard. Specifications Gas Detected (Co)H2 Compensated Carbon Monoxide(Co) Hydrogen Sulfide(H2S) H2Sonly Combustible Gases(Methane As Standard) Dual Sensor Sensor Slot 1 2 Detectionprinciple Ec Dual Ec Ec Catalytic Combustion Detection Range(Increments) 0 - 2,000 Ppm(1 Ppm) 0 - 200.0 Ppm(0.1 Ppm) 0 - 100% Lel(1% Lel) Accuracystatement ± 5% Of Readingor ± 2 Ppm Co ± 5% Of Readingor ± 5 Ppm Co(Whichever Is Greater) ± 5% Of Readingor ± 2 Ppm H2S(Whichever Is Greater) ± 5% Of Readingor ± 2% Lel(Whichever Is Greater) Sampling Method Diffusion Sampling Standard (Hand Aspirator Or Clip-On Motorized Pump Optional) Display Digital Lcd Displays With 7 Segment Plus 14 Segment Plus Icon Preset Alarms(User Adjustable)Overscale Alarm(Non-Adjustable) 1St Alarm: 25.0 Ppm2Nd Alarm: 50.0 Ppm3Rd Alarm: 1200.0 Ppmtwa Alarm: 25.0 Ppmstel Alarm: 200.0 Ppmover Alarm: 2000.0 Ppm 1St Alarm: 5.0 Ppm2Nd Alarm: 30.0 Ppm3Rd Alarm: 100.0 Ppmtwa Alarm: 1.0 Ppmstel Alarm: 5.0 Ppmover Alarm: 200.0 Ppm 1St Alarm: 10% Lel2Nd Alarm: 25% Lel3Rd Alarm: 50% Lelover Alarm: 100% Lel Types Of Alarms Gas Alarm: 3 Increasing Alarms, Stel, Twa, Overscale Alarm. O2 Decreasing/Increasing.Trouble Alarm: Sensor Disconnection, Low Battery, Circuit Error, Calibration Range Error Display Of Alarm Gas Alarm: Flashing Leds, Continuous Buzzer (100 Db @ 30 Cm), Flashing Gas Value, Vibrationtrouble Alarm: Flashing Leds, Intermittent Buzzer (95 Db @ 30 Cm), Display Of Error Message Operating Temp.& Humidity -20°C - +50°C [ -4°F - +122°F ], 10 To 90% Rh, Non-Condensing (Continuous Environment)-40°C - +60°C [ -40°F - +140°F ], 0 To 95% Rh, Non-Condensing (Temporary Environment, 15 Minutes) Response Time Within 30 Seconds (T90) Power Source Lithium-Ion Battery, Approx. 25 Hours After A 3 Hour Full Charge Approvals Atex, Csa (Pending) Dimension& Weight 2.2W X 2.55H X 1.02D (Approx. 58 W X 65 H X 26 D Mm), 3.52 Ounces (Approx. 100 G) Without Rubber Booth2.4W X 2.63H X 1.06D (Approx. 61 W X 67 H X 27 D Mm), 3.70 Ounces (Approx. 105 G) With Rubber Booth Case Material Explosion Proof, Dust And Water Resistant To Ip-66/68 (2M,1H) Approval. Drop Height 23 Ft Controls Two Buttons: Power / Mode, Air Datalogging Logs User Id, Station Id, Calibration & Bump Test History, Alarm Events & Alarm Interval Trends Standardaccessories Alligator Clip, Protective Rubber Boot, Charger, And Calibration Adapter Optionalaccessories Sdm-3R Calibration Stationrp-3R Clip-On Sampling Pump With 4Rubber Nipple, 10 Hose And Probe (Up To 40 Hose Available)Padded Carrying Case For Gx-3R And Accessoriesusb To Irda Downloading Cable For Datalogger Warranty Three Years Material And Workmanship
Shipping & Return Policy — EquipTestPro
Last Updated: February 1, 2026
Legal Policies

Shipping & Return Policy

Everything you need to know about orders, cancellations, refunds, and delivery.

🌎
Section 01
Shipping Destinations

EquipTestPro ships to both Canada and the United States. We are pleased to serve customers across North America with reliable, trackable delivery options.

Please Note: Certain products are subject to restrictions and cannot be shipped to all destinations. Product-specific shipping availability is noted on each item's detail page. We do not currently ship to international destinations outside of Canada and the United States.
💲
Section 02
Shipping Rates

When you place an order, a flat-rate shipping charge will be applied at checkout based on your order. The applicable rate will be clearly displayed before you complete your purchase.

Flat-rate shipping is calculated to reflect the cost of reliable, insured delivery. The rate shown at checkout is final — no hidden surcharges will be added after your order is placed.

⚖️
Section 03
Weight-Based Shipping

For certain items, shipping costs are calculated based on the weight of the product. The weight of any weight-based item is listed on its product detail page.

Rounding Policy: To align with the policies of our shipping carriers, all item weights are rounded up to the next full pound when calculating shipping costs.

For example, an item weighing 3.2 lbs will be rated at 4 lbs for shipping calculation purposes. This policy is standard practice across all major carriers we work with.

⚠️
Section 04
Product Restrictions

Some products sold on EquipTestPro are subject to shipping restrictions due to regulatory, carrier, or safety requirements. These include but may not be limited to:

  • Hazardous or regulated materials
  • Oversized or freight-class items
  • Products restricted by provincial or state import regulations
  • Items that cannot be air-shipped due to their composition

Where restrictions apply, this will be clearly noted on the product listing. If you have questions about a specific product's shipping eligibility to your location, please contact us before placing your order.

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Section 05
Order Processing

Orders are processed on business days (Monday through Friday, excluding statutory holidays). Orders placed after business hours or on weekends will begin processing the following business day.

1
Order Confirmed You receive an email confirmation with your order details.
2
Order Processed Your order is verified and prepared for shipment (1–2 business days).
3
Shipped You receive a tracking number by email once your package is dispatched.
4
Delivered Delivery timelines vary by destination and carrier availability.
Section 01
Order Cancellation Rights

You are entitled to cancel your Order within 30 days of receipt without providing a reason, subject to the processing fee structure described below.

The cancellation deadline is 30 days from the date on which you received the Goods, or on which a third party appointed by you (other than the carrier) takes possession of the delivered product.

To exercise your cancellation right, notify us with a clear written statement by:

  • Email: info@equiptestpro.com
  • Online form: equiptestpro.com/contact-us
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Section 02
Cancellation Processing Fees

The following fee structure applies to all cancellations. Please review carefully before requesting a cancellation.

Customer-Initiated
10%

A processing fee of 10% of the total order value will be withheld from your refund to cover payment processing, handling, and administrative costs.

Company-Initiated (Item Unavailable)
$0

If we cancel your order due to item unavailability, no processing fee will be withheld. You receive a full refund of the amount paid.

Refunds will be issued using the same payment method as the original purchase. No additional fees beyond those described above will be applied.

Section 03
Conditions for Returns

To be eligible for a return, all of the following conditions must be met:

  • The Goods were purchased within the last 30 days
  • The Goods are in their original, undamaged packaging
  • The Goods are unused and unaltered from the condition received
  • A valid receipt or proof of purchase accompanies the return
Sale Items: Only regular-priced Goods are eligible for a refund. Items purchased on sale or at a discounted price cannot be refunded. This exclusion may not apply where prohibited by applicable law.

We reserve the right to refuse returns of any merchandise that does not meet the above conditions, at our sole discretion.

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Section 04
Non-Returnable Goods

The following items are not eligible for return under any circumstances:

  • Goods made to your specifications or clearly personalized
  • Goods that by their nature are not suitable for return, deteriorate rapidly, or where the expiry date has passed
  • Goods not suitable for return due to health protection or hygiene reasons that have been unsealed after delivery
  • Goods that, after delivery, have become inseparably mixed with other items by their nature
  • Goods purchased on sale or at a promotional discount
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Section 05
How to Return Goods

You are responsible for the cost and risk of returning Goods to us. Before sending any items, please contact us at info@equiptestpro.com to obtain the return shipping address.

Important: We strongly recommend using an insured and trackable mail service. We cannot be held responsible for Goods damaged or lost during return shipment, and we are unable to issue a refund without confirmed receipt of the returned Goods or verifiable proof of delivery.
Section 06
Refund Timeline

You should expect to receive your refund within four (4) weeks of delivering your return package to the shipper. In many cases, refunds are processed sooner. The timeline breaks down as follows:

1
Transit to Us 5 to 10 business days for us to receive your return from the shipper.
2
Return Processing 3 to 5 business days to inspect and process your return once received.
3
Bank Processing 5 to 10 business days for your bank to post the refund to your account.

We will process refunds no later than 14 days from the day we receive the returned Goods, using the same payment method as your original purchase.

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Section 07
Gift Returns

If the Goods were marked as a gift at the time of purchase and shipped directly to you, a gift credit equal to the return value (less any applicable processing fee) will be issued. Once the returned product is received and inspected, a gift certificate will be mailed to you.

If the Goods were not marked as a gift at purchase, or if the gift giver had the order shipped to themselves first, the refund will be issued to the original purchaser.

Questions? We're here to help.

Reach out to our support team for assistance with any order or return.

Not Applicable

Condition: NA

Frequently Asked Questions

  • How do I request a quote?
    To request a quote for pricing on any item found on our site, please click on our "REQUEST A QUOTE" link. Fill out and submit the form, one of our representatives will contact you when the quote is ready.
  • What payment options do I have?
    EquipTestPro accepts a variety of payment options for your convenience. For prepayment, we accept all major credit cards (MasterCard, Visa, Amex, Discover), Purchase Orders, and wire transfers.
  • How do I retturn items?
    All returns must be authorized. Items returned prior to authorization will not be accepted. For international customers where applicable, customers must ship any returns to us freight and duty prepaid. Return freight charges for internationsl shippments will be the responsibility of the customer.

    Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.

    Non defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returnsin which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.

    (Do not write anytingon the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.)

    Please, include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty (30) days.

Canada & US Shipping
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30-Day Free Returns