Gas detector - GX-3R (RIKEN KEIKI Co., Ltd.)
- Monitoring 4 types of gas (LEL/O2/CO/H2S)
- 3-year warranty
- Only Approx. 100g
- Water and dust resistant, IP66/68
- Loud alarm buzzer 95dB at 30cm
Specification
| Category | Portable gas detector |
|---|---|
| Type | Multi gas |
| Target gas | LEL/O2/CO/H2S |
| Detection range | 0～100%LEL(HC/CH4) 0～40vol%(O2) 0～2000ppm(CO) 0～200ppm(H2S) |
| Sampling method | Diffusion |
| Type of alarm | Gas alarms, Fault alarms |
| Display of alarm | Flashing light, buzzer, vibration |
| Explosion proof | Intrinsically safe |
| Ingress proof rating | IP66/68 |
| Approvals | IECEx ATEX INMETRO CE |
| Power source | Lithium ion rechargeable battery unit |
| Continuous operation | Approx. 40 hours after full charge(with long battery mode) |
| Dimensions & Weight | Approx. 58(W)×65(H)×26(D)mm Approx. 100g |
| Operating temperature & Humidity | -40℃ to 60℃, (-40℃ to 140F) 0 to 95% RH, (Non-condensing) |
You can understand at a glance! GX-3R
| Model | GX-3R |
|---|---|
| Detection gas | 1 to 4 types |
| Battery | Rechargeable battery |
| Detection method | Diffusion type "Pump unit available as option(see next page) |
| Alarm setpoint | Setting can be changed. |
| Combustible gas conversion function | 26 types |
| Data logger function | Records up to 3,600 data. |
| Confirmation beep function | Can be changed (see section below for details). |
| Lunch break function | Can be changed (see section below for details). |
| Protective cover | Provided as standard |
| Heat-resistant case, leather case | Optional accessories |
| Five-component detection | ⇒We recommend the GX-3R Pro model. |
| Dry battery power | ⇒We recommend the GX-3R Pro model. |
| Bluetooth | ⇒We recommend the GX-3R Pro model. |
Combustible conversion gas list
| Conversion gas | Gas name displayed | Calibration gas conversion | |
|---|---|---|---|
| CH4 | i-C4H10 | ||
| Methane | CH4 | － | ✕ |
| Isobutane | i-C4H10 | ◯ | － |
| Hydrogen | H2 | ◯ | ◯ |
| Methanol | CH3OH | ◯ | ◯ |
| Acetylene | C2H2 | ◯ | ◯ |
| Ethylene | C2H4 | ◯ | ◯ |
| Ethane | C2H5 | ◯ | ✕ |
| Ethanol | C2H5CH | ◯ | ◯ |
| Propylene | C3H6 | ◯ | ◯ |
| Acetone | C3H6O | ◯ | ◯ |
| Propane | C3H8 | ◯ | ✕ |
| Butadiene | C4H6 | ◯ | ◯ |
| Cyclopentane | C5H10 | ◯ | ◯ |
| Benzene | C6H6 | ◯ | ◯ |
| N-hexane | n-C6H14 | ◯ | ◯ |
| Toluene | C7H8 | ◯ | ◯ |
| N-heptane | n-C7H16 | ◯ | ◯ |
| Xylene | C8H10 | ◯ | ◯ |
| N-nonane | n-C9H20 | ◯ | ◯ |
| Ethyl acetate | EtAc | ◯ | ◯ |
| Isopropyl alcohol | IPA | ◯ | ◯ |
| Methyl ethyl ketone | MEK | ◯ | ◯ |
| Methyl methacrylate | MMA | ◯ | ◯ |
| Dimethyl ether | DME | ◯ | ◯ |
| Methyl isobutyl ketone | MIBK | ◯ | ◯ |
| Tetrahydrofuran | THF | ◯ | ◯ |
Mounted with the new R sensors, which are long-term consistence sensors
GX-3R mounted with the new R sensor series, which have dramatically improved the performance from the previous sensors.
The sensors have 5-year warranty*.
*Option.
Wide range of safety functions
Combustible gas conversion function
Eliminates the need for complex calculations.
Allows direct readout of 26 different combustible gas types.
Lunch break
Enabling this function retains the TWA and peak values and allows integrating measurement whether power is on or off.
Alarm setpoints can be freely adjusted
You can now adjust alarm setpoints on the main unit.
Allows monitoring based on the customer's own standards.
Cal. Limit
Indicates the number of days until recommended regular maintenance when the power is turned on.
Reminds the user to perform maintenance on the product to ensure safe use.
Confirmation beep
This function provides audible notification that the device is functioning correctly.
Buzzer sounds at preset intervals while measurement is underway.
Optional accessories
| 1 | Heat-resistant case | Case for protection from heat resource.Uses a safety pin. | Part No.4777 4259 40 |
|---|---|---|---|
| 2 | Leather case | Case for protection against dirt.Uses the clip on the unit. | Part No.4777 4257 00 |
| 3 | Belt clip | Allows the product to be attached to a belt or pocket. | Part No.4777 9202 40 |
| 4 | Arm / Ankle belt | Belt for securing the unit to your arm or ankle. | Part No.4777 9293 30 |
| 5 | Protective film | Protects the display. (set of 5) | Part No.4777 9296 50 |
| 6 | Manual suction unit | External manual pump. Draws in at greater flow rates than electric pump. | (with sampling probe) Part No.4777 9302 80 (with 8m float-type tube) Part No.4777 9304 20 (with 30m weighted tube) Part No.4777 9305 00 |
| 7 | Charging cradle | Cradle for recharging the unit. Cradles can be interconnected. | Part No.BC-3R 00 |
| 8 | Five-unit AC adaptor | One AC adapter recharges up to five units, *Recharging times remain unchanged. |
(with 22.5cm cable) Part No.4777 9329 70 (with 60cm cable) Part No.4777 9319 80 (with 120cm cable) Part No.4777 9333 20 |
| 9 | Calibration adapter | Adapter for applying gas to GX-3R during bump test and calibration. (with outlet nipple and rubber seal) | Part No.4777 9311 00 |
| 10 | Data management program | Software for viewing and managing measurement data. | Part No.9811 0870 60 |
Pump unit RP-3R
An external electric pump.Allows use for suction sampling.
Specifications
| Model | RP-3R |
|---|---|
| Suction flow rate | High mode : 0.4 L / min or more Low mode : 0.25 L / min or more |
| Battery | AA alkaline battery×1 |
| Continuous operating time | High mode : Approx. 10 hours Low mode : Approx. 16 hours |
| Temperature range | -20℃ -+ 50℃ (at a constant condition) |
| Humidity range | 0-95% RH (non-condensing) |
| Explosion-proof class | Inherently safe explosion-proof construction ATEX : Ⅱ1G Ex ia ⅡC T4 Ga IECEx : Ex ia ⅡC T4 Ga Japan Ex : Ex ia ⅡC T4 Ga |
| Structure | Drip-proof and dust-proof performances compliant to IP67 level |
| Dimensions / Weight | Approx. 82mm(W) × 96mm(H) × 29mm(D) / Approx. 120g |
| Optional accessories | 8m float-type gas sampling tube Filters (set of 10) Meshes (set of 10) |
* Cannot be connected to other models GX-2009, GX-3R Pro and others.
Docking station SDM-3R
Allows the user to perform a simplified pre-work check (bump test) and gas calibration automatically.
Specifications
| Model | SDM-3R |
|---|---|
| Power supply | 100 to 240 V AC ±10%, 50 / 60 Hz |
| Suction flow rate | Approx. 0.25 L/min |
| Temperature range | 0-40℃ (at a constant condition) |
| Humidity range | 0-95% RH (non-condensing) |
| Dimensions / Weight | Approx. 130mm (W)×110mm(H)×250mm(D) / Approx. 800g |
| Optional accessories | Connecting fixture, wall-mounting fixture, exhaust tube |
Also consider the high-spec [GX-3R Pro] model!
![[GX-3R Pro] model](/en/image/products/gas/gx3r5.jpg)
- Up to 5 gases can be detected
Detects carbon dioxide and sulfur dioxide in addition to combustible gases, O2, H2S and CO. - Connects with Bluetooth
Allows connection to a smartphone. Use the dedicated app iOS, Android to send alarm notifications by email. - Runs on either dry cell or rechargeable batteries
Unit system for easy replacement. - Easy-to-read full-dot display
Supports a total of 11 different languages.
Specifications
| Model | GX-3R |
|---|---|
| Detection method | Diffusion type (Changeable to sampling type by attaching RP-3R) |
| Gas alarm indication | Lamp flashing, continuous modulating buzzer sounding, gas concentration display blinking, vibration Reset operation : Self-latching |
| Fault alarm | System abnormality, sensor abnormality, battery voltage drop, calibration failure |
| Fault alarm indication | Lamp flashing, intermittent buzzer sounding, detail display Reset operation : Self-latching |
| Displays | LCD digital, backlight, operation status, clock, battery level, temperature, peak reading, calibration notification |
| Buzzer volume | Approx. 95dB (30cm) |
| Data logger function | Maximum number of items : 3,600 Interval : 5 minutes (adjustable) Communication system : IrDA |
| Explosion-proof class | ATEX Ⅱ1G Ex da ia ⅡC T4 Ga / IM1 Ex da ia I Ma (With combustible gas sensor) Ⅱ1G Ex ia ⅡC T4 Ga / IM1 Ex ia I Ma (No combustible gas sensor) IECEx Ex da ia ⅡC T4 Ga / Ex da ia I Ma (With combustible gas sensor) Ex ia ⅡC T4 Ga / Ex ia I Ma (No combustible gas sensor) Japan Ex Ex ia ⅡC T4 Ga |
| Protection level | Equivalent to IP66/68 (2m, 1h) |
| Power source | Lithium ion rechargeable battery unit Charging time : Approx. 3 hours |
| Continuous operating time*1 | Long-life battery mode on : Approx. 40 hours (25℃, fully charged, no alarm, no lighting) Long-life battery mode off : Approx. 25 hours (25℃, fully, charged, no alarm, no lighting) |
| Temperature range / humidity range*2 | -40℃~+60℃ (no sudden changes), 0~95% RH (non-condensation) |
| External dimensions / weight | Approx. 58mm (W) × 65mm (H) × 26mm (D) (excluding protrusions) / Approx. 100g |
| Warranty | 3 years (optional 2 years extension available) |
*1 Varies depending on sensor type installed. Please contact Riken Keiki for more information.
*2 In temporary ambient conditions for approximately 15 minutes. The operating temperature and humidity ranges for continuous ambient conditions are as follows : Temperature : -20℃ to +50 ℃ (no sudden changes) / Humidity : 10 to 90 % RH (no condensation)
Detection gas
| Detection target gas | Combustible gas (HC or CH4) |
Oxygen(O2) | Carbon monoxide (CO) | Hydrogen sulfide(H2S) |
|---|---|---|---|---|
| Detection principle | New ceramic type | Electrochemical type | ||
| Detection range (service range) |
0～100% LEL | 0～25.0 vol% (～40.0 vol% ) |
0～500ppm (～2000ppm) |
0～100.0ppm (～200.0 ppm) |
| 1 digit | 1% LEL | 0.1 vol% | 1ppm | 0.1 ppm |
| Gas alarm setpoint (can be set by user) |
1st alarm : 10% LEL 2nd alarm : 25% LEL 3rd alarm : 50% LEL OVER alarm : 100%LEL |
L alarm : 19.5vol% LL alarm : 18.0 vol% H alarm : 23.5vol% OVER alarm : 40.0vol% |
1st alarm : 25ppm 2nd alarm : 50ppm 3rd alarm : 1200ppm TWA alarm : 25ppm STEL alarm : 200ppm OVER alarm : 2000ppm |
1st alarm : 5.0 ppm 2nd alarm : 30.0ppm 3rd alarm : 100.0 ppm TWA alarm : 1.0 ppm STEL alarm : 5.0 ppm OVER alarm : 200.0 ppm |
Standard accessories
Type list
| TYPE | Detection gas |
|---|---|
| TYPE A | LEL, O2, H2S, CO |
| TYPE B | LEL, O2, H2S |
| TYPE C | LEL, O2, CO |
| TYPE CH | LEL, O2, CO* |
| TYPE D | LEL, O2 |
| TYPE E | O2, H2S |
| TYPE F | O2, CO |
| TYPE FH | O2, CO* |
| TYPE I | LEL, CO |
| TYPE IH | LEL, CO* |
| TYPE K | H2S |
*CO sensor with reduced H2 interference
