Castle Group

GX-3R Pro 5 Gas Confined Space Monitor

SKU: GX-3R-5-PRO

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£848.00

The GX-3R Pro is the world’s smallest 5-gas monitor weighing only 4.58 ounces and fits in the palm of your hand (2.9” W x 2.6” H x 1.06” D). It simultaneously monitors and displays 5 different gases. In addition to monitoring standard confined space gases, LEL, O2, CO, & H2S, the GX-3R Pro has a 5th channel where you can add infrared or toxic sensors. Two of the four sensor slots have interchangeable sensors providing flexible configurations, which can easily be changed in the field.


The GX-3R Pro comes equipped with Bluetooth wireless communication, a man-down alarm, the choice of alkaline or rechargeable power supply, and a 3-year warranty.  The Lithium-ion battery pack will operate for 25 hours and will fully charge in 3 hours.

£848.00
GX-3R Pro 5 Gas Confined Space Monitor

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Product Specification unless deselected above

Brand Castle Group
Type Of Gas Carbon Monoxide, Hydrogen Sulphide, Lower Explosive Limit (LEL), Oxygen, Sulphur Dioxide
Number Of Gases 5 Gas
Available Outside the UK? Yes

The GX-3R Pro is the world’s smallest 5-gas monitor weighing only 4.58 ounces and fits in the palm of your hand (2.9” W x 2.6” H x 1.06” D). It simultaneously monitors and displays 5 different gases. In addition to monitoring standard confined space gases, LEL, O2, CO, & H2S, the GX-3R Pro has a 5th channel where you can add infrared or toxic sensors. Two of the four sensor slots have interchangeable sensors providing flexible configurations, which can easily be changed in the field.

The GX-3R Pro comes equipped with Bluetooth wireless communication, a man-down alarm, the choice of alkaline or rechargeable power supply, and a 3-year warranty. The Lithium-ion battery pack will operate for 25 hours and will fully charge in 3 hours.

The GX-3R Pro utilizes Bluetooth communication to display direct gas readings from the instrument to a phone app, which is available free on either iOS or Android phones. Automatic notifications can be programmed to send a text or email messages if there is an alarm event from the GX-3R Pro.

Safety supervisors will appreciate the non-compliance indicator. The instrument flashes it’s 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 5 gas monitor
    • 2.9″ W x 2.6″ H x 1.06″ D , 4.58 ounces
  • Simultaneous detection of 5 gases
    • LEL, O2, H2S, CO, and other optional sensors
    • H2 Compensated CO sensor available
  • Simple 2-button operation
  • Bluetooth communication with iOS & Android App
  • Non-Compliance Indicator
  • 3 user adjustable alarm levels
  • Panic Alarm
    • Tap instrument twice
  • Man Down Alarm
  • Impact resistant body
  • Large full dot, auto-backlit display with auto-rotation
  • Stealth mode for law enforcement
  • Field replaceable sensors & filters
  • Water and dust resistant design, IP66/68
  • 3 Year Warranty

Technical Specification

Specifications

Detectable Gases
Gas Measuring Range
(Increments)
Accuracy
Statement
Preset Alarms
Sensor Slot 1: Carbon Monoxide (CO) & Hydrogen sulfide (H2S) *Interchangeable
H2S / CO Dual EC 0 ~ 2000 ppm
(1 ppm)
± 5% of reading
or ± 5 ppm CO
A1: 25 ppm│ A2: 50 ppm
A3:1200 ppm│TWA: 25 ppm
STEL: 200 ppm
0 ~ 200.0 ppm
(0.1 ppm)
± 5% of reading
or ± 2 ppm H2S
A1: 5 ppm│ A2: 30 ppm
A3: 100 ppm│TWA: 1.0 ppm
STEL: 5.0 ppm
H2S
Only
EC 0 ~ 200.0 ppm
(0.1 ppm)
± 5% of reading
or ± 2 ppm H2S
A1: 5 ppm│ A2: 30 ppm
A3: 100 ppm│TWA: 1.0 ppm
STEL: 5.0 ppm
CO
H2 Compensated
EC 0 ~ 2,000 ppm ± 5% of reading
or ± 2 ppm CO
A1: 25 ppm│ A2: 50 ppm
A3: 1200 ppm│TWA: 25 ppm
STEL: 200 ppm
Sensor Slot 2: Combustibles (Methane as standard)
CH4 / HC Catalytic 0 ~ LEL (1% LEL) ± 5% of reading
or ± 2 % LEL
1st: 10% LEL │ 2nd: 25% LEL
3rd: 50% LEL │ Over:100% LEL
Sensor Slot 3: Oxygen (O2)
O2 EC 0 ~ 40.0% Vol.
(0.10%)
± 0.5% O2 Low 1: 19.5%│ Low 2: 18.0%
High: 23.5%│ Over: 40.0%
Sensor Slot 4: Toxics & CO2 *Interchangeable
SO2 EC 0 ~ 100.0 ppm
(0.05 ppm)
± 10% of reading
or ± 5 % of full scale
A1: 2 ppm│ A2: 5 ppm
A3: 100 ppm│ TWA: 0.25 ppm
STEL: 0.25ppm
*CO2 IR sensor available AUG 2019
CO2 % IR* 0 ~ 10.0% Vol.
(0.01%)
± 5% of reading
or ± 2 ppm
A1: 0.50% Vol.│ A2: 3.00% Vol.
A3: 4.00% Vol.│ TWA: 0.50% Vol.
STEL: 3.00% Vol.
CO2 ppm 0 ~ 10,000 ppm
(20 ppm)
A1: 5,000 ppm│ A2: N/A
TWA: N/A│STEL: N/A
Common Specifications
Sampling Method Diffusion sampling standard
(hand aspirator or clip-on motorized pump optional)
Display Full dot LCD with Autobacklight
and Autorotation
Alarm Types Gas Alarm Trouble Alarm
• 2 increasing
alarms
• STEL
• TWA
• Overscale
alarm
• O2
decreasing/
increasing
• Sensor
disconnection
• Low battery
• Circuit error
• Calibration
range error
• Cal or bump
due alarm
• Man Down Alarm
• Panic Alarm
Display of Alarm Gas Alarm Trouble Alarm
• Flashing
LED’s
• Continuous
buzzer (100
db @ 30cm)
• Flashing gas
value
• Vibration
• Flashing
LED’s
• Intermittent
buzzer (95
db @ 30cm)
• 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)
Response Time Within 30 seconds (T90)
Power Source Config Li-ion Alkaline
4-gas + EC 25 hours 16 hours
4-gas + IR 16 hours 7 hours
Dimension & Weight 2.9” W x 2.6” H x 1.06” D
(Approx. 73 W x 65 H x 26 D mm), 4.58oz (with rubber boot)
Case Material Explosion proof, dust and water resistant to IP-66/68 (2m,1h) approval. Drop height 23 ft
Bluetooth Communication BLE: with iOS and Android phone app: RK Link
Datalogging Logs user ID, station ID, Calibration & Bump Test history, Alarm Events &
Alarm Trends
Standard Accessories Alligator clip, protective rubber boot, charger, calibration adapter
Optional Accessories • Padded carrying case
• RP-3R Attachable sampling
Pump with 4” rubber nipple, 10’
hose and probe (up to 40’ hose
available)
• USB to IrDA downloading cable
for datalogger
• SDM-3R calibration station
• Hand aspirator
Safety Design / Approvals ATEX, CSA (Pending)
Warranty Three years material and workmanship including sensors
*specifications subject to change

Downloads and Datasheets

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