Crowcon Tetra T3 Multi Gas Detector

Code: TETRA T3
  • Simple operation
  • Calibration due warning
  • Can be submerged in water

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The Tetra 3 multi-gas monitor is a compact, robust, easy-to-use diffusion-based detector. Its single-button operation, small size, and clear top-mounted display make it a popular choice for those working in challenging industrial environments such as water, telecommunications, food processing, brewing, and hydrocarbon sectors.

The Tetra 3 portable multi-gas monitor can detect and monitor four commonly found gases – carbon monoxide, methane, oxygen and hydrogen sulphide. It can also detect an expanded range of gases, including ammonia, ozone, sulphur dioxide, H2-filtered CO (specifically for use in steel plants), and IR carbon dioxide (safe area use only).

Robust

  • Rugged And Impact-Resistant Design Provides Extra Shock And Vibration Protection – protects the harshest environment.
  • Water And Dust Resistant to IP65 and IP67.

Effective Warning

  • 95dB Audible Alarm – ensures clear warning, facilitating prompt evacuations from hazard zones.
  • Vivid Red/Blue Visual Alarm.
  • Vibrating Alarm.

Reliable

  • Proven Sensor Technology And Software Operation – Provides reliability you can trust and has the power to cover you for an extended shift.
  • Lithium-ion battery Provides Over 14 Hours of Continuous Operation From A Single Charge With No Memory Effects.

User friendly

  • Single Button Operation For All Functions – can be operated with gloved hands.
  • Top Mounted, Backlit Display Of All Gas Readings, Diagnostics And Battery Life – ‘at a glance’ operating status.

Gases and Ranges

Ranges and alarms vary by country and application; these can be configured as required. Each channel can have two instantaneous alarms. Toxic channels also have TWA alarms. Flammable gas calibration is available for methane, propane, butane, pentane, hydrogen and ethylene as standard.

Gas Range Typical Alarms
Flammable  0-100% LEL  20% LEL
Oxygen (O2)  0-25% 19/23.5% volume
Hydrogen Sulphide (H2S)  0-100ppm  5ppm
Carbon Monoxide (CO)  1-500ppm 30ppm
Sulphur Dioxide (SO2)  0-20ppm 1ppm
Ozone (O3)  0-1ppm 0.1ppm
Ammonia (NH2)  0-100ppm 25ppm
*Carbon Dioxide (CO2)  0-5% 0.5 % volume
Carbon Monoxide (CO) H2 compensated  0-500ppm 30ppm
Hydrogen Cyanide (HCN)  0-30ppm 10ppm

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Title Size
Tetra-3-Datasheet 978 KB
Tetra-3-Quick-Start-Guide 612 KB
Tetra-3-User-Manual 1 MB
Past Tetra Model Spares - Notice of Unsupported Status 345 KB

Additional information

Weight 0.190 kg

Specifications

Size 114 x 71 x 48mm (tapers to 20mm) (4.5 x 2.8 x 1.9ins)
Weight 295g (10.4oz)
Alarms 95dB multiple alarm sounds allow selection of distinctive tones for different alarm levels
Internal vibrating alarm
Display Graphic LCD with backlight, giving simultaneous display for all gas channels. Graphic symbols for battery (with proportional indication of remaining operation time), healthy operation or fault warning. Start up indication when calibration is due, overdue, or service required.
Normal display: Real time gas concentration levels
Display recall: Peak readings and TWA
Data logging Timed: 50 hours at 1-minute data rate (>12,000 data logs of 4 channels)
Threshold: Starts after adjustable pre-set level
Event: >5,000 events
Event logging Alarm, over range, calibration, bump, on/off, TWA, 1000 events
Battery Rechargeable Li-ion battery
Operating time Based on four-gas instrument fitted with flammable sensor: A 5-hour charge from flat provides at least 12 hours of continuous use.A 12-hour charge provides at least 14 hours of continuous use
Sampling Diffusion or hand aspirator
Operating temperature -20°C to +55°C (-4°F to +131°F)
Storage -25°C to +65°C (-13°F to +149°F)
Humidity 15-95% RH@ 40°C non-condensing
Ingress protection IP65 and IP67
Approvals ATEX II 2G Ex ia db IIC T4 Gb (-20°C ≤ Ta ≤ +55°C)
BASEEFA05ATEX0187
IECEx Ex db ia IIC T4 Gb (-20°C ≤ Ta ≤ +55°C) BAS05.0059
CSA Class I Division 1 Groups A, B, C and D
Safety standards EN60079-0, EN60079-11, EN60079-1
CSA22.2, 152
EN50270, EN50271, EN50104, EN45544, EN60079, IEC61508
PC Interface RS232 connection from interface module in charger
RS232/USB converter available
Calibration Can be routinely calibrated using Portables PC software or Crowcon Checkbox IMH
Accessories Integral alligator clip
Optional accessories:
Universal harness plate, shoulder strap, chest harness, aspirator assembly (flow plate, bulb and 2m/6ft tubing), fixed and telescopic sample probes, and an in-line water trap
Charging Single way drop-in charger with UK, EU or US plug or in-line 110V/220V supply
Single way drop-in charger with options as above including PC interface
5 way multi-charger with universal power supply
Vehicle adapter for in-vehicle charging
Universal charger for vehicle, wall and desk mounting with a multi-region plug (supplied with EU/UK/US/Australian inserts) and status indication
Crowcon Connect Compatible? Yes

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Ordering Information

T3
T3-ZZABAIAH-A-008-Z T3: C3H8 CO&H2S ITA ATEX
T3-ZZADZZZZ-A-001-Z T3: C4H10 GBR ATEX
T3-ZZBVZZZZ-A-001-Z T3: C7H8(NF) GBR ATEX
T3-AAKRARZZ-A-001-Z T3: CH4 CO (COAX) NH3(0-100PPM) RECH BAT ENG
T3-ZZAAAHZZ-A-001-Z T3: CH4 CO GBR ATEX
T3-ZZAAAIAH-A-001-Z T3: CH4 CO&H2S GBR ATEX
T3-ZZAAAIAH-A-008-Z T3: CH4 CO&H2S ITA ATEX
T3-ZZAAZZZZ-A-001-Z T3: CH4 GBR ATEX
T3-ZZKRAIZZ-A-001-Z T3: CO(H2) H2S GBR ATEX
T3-ZZAIAHZZ-A-001-Z T3: CO&H2S GBR ATEX
T3-ZZAIAHAJ-A-001-Z T3: CO&H2S SO2 GBR ATEX
T3-HGZZZZZZ-A-031-Z T3: CO2-IR GBR SAFE
T3-HGAHZZZZ-A-031-Z T3: CO2-IR CO GBR SAFE
T3-HGAHZZZZ-A-060-Z T3: CO2-IR CO NLD SAFE
T3-HGAHZZZZ-A-030-Z T3: CO2-IR CO POL SAFE
T3-HGAIAHZZ-A-031-Z T3: CO2-IR CO&H2S GBR SAFE
T3-HGAIARZZ-A-030-Z T3: CO2-IR H2S NH3(100) POL SAFE
T3-HGAQASZZ-A-041-Z T3: CO2-IR HCN NH3(1000) AUS SAFE
T3-HGARZZZZ-A-037-Z T3: CO2-IR NH3(100) ESP SAFE
T3-HGARAIZZ-A-030-Z T3: CO2-IR NH3(100) H2S POL SAFE
T3-HGCPZZZZ-A-041-Z T3: CO2-IR O2 AUS SAFE
T3-HGCPAHZZ-A-041-Z T3: CO2-IR O2 CO AUS SAFE
T3-HGCPAHZZ-A-031-Z T3: CO2-IR O2 CO GBR SAFE
T3-HGCPAHZZ-A-060-Z T3: CO2-IR O2 CO NLD SAFE
T3-HGCPAIAH-A-031-Z T3: CO2-IR O2 CO&H2S GBR SAFE
T3-HGCPAIAH-A-060-Z T3: CO2-IR O2 CO&H2S NLD SAFE
T3-HGCPZZZZ-A-047-Z T3: CO2-IR O2 DEU SAFE
T3-HGCPZZZZ-A-037-Z T3: CO2-IR O2 ESP SAFE
T3-HGCPZZZZ-A-031-Z T3: CO2-IR O2 GBR SAFE
T3-HGCPAIZZ-A-031-Z T3: CO2-IR O2 H2S GBR SAFE
T3-HGCPARZZ-A-031-Z T3: CO2-IR O2 NH3(100) GBR SAFE
T3-HGCPASZZ-A-031-Z T3: CO2-IR O2 NH3(1000) GBR SAFE
T3-HGCPZZZZ-A-060-Z T3: CO2-IR O2 NLD SAFE
T3-HGCPAJZZ-A-029-Z T3: CO2-IR O2 SO2 USA SAFE
T3-HGCPZZZZ-A-029-Z T3: CO2-IR O2 USA SAFE
T3-HGAJAHZZ-A-031-Z T3: CO2-IR SO2 CO GBR SAFE
T3-ZZAFKRZZ-A-007-Z T3: H2 CO(H2) NLD ATEX
T3-ZZAFAJZZ-A-001-Z T3: H2 SO2 GBR ATEX
T3-ZZARZZZZ-A-001-Z T3: NH3(100) GBR ATEX
T3-ZZARAIZZ-A-001-Z T3: NH3(100) H2S GBR ATEX
T3-CPZZZZZZ-A-001-Z T3: O2 GBR ATEX
T3-CPCQAIAH-A-001-Z T3: O2 C2H5OH(NF) CO&H2S GBR ATEX
T3-CPCQZZZZ-A-006-Z T3: O2 C2H5OH(NF) DEU ATEX
T3-CPCQZZZZ-A-004-Z T3: O2 C2H5OH(NF) ESP ATEX
T3-CPCQZZZZ-A-001-Z T3: O2 C2H5OH(NF) GBR ATEX
T3-CPABAIAH-A-001-Z T3: O2 C3H8 CO&H2S GBR ATEX
T3-CPABZZZZ-A-001-Z T3: O2 C3H8 GBR ATEX
T3-CPADAHZZ-A-001-Z T3: O2 C4H10 CO GBR ATEX
T3-CPADZZZZ-A-001-Z T3: O2 C4H10 GBR ATEX
T3-CPACAIAH-A-001-Z T3: O2 C5H12 CO&H2S GBR ATEX
T3-CPACZZZZ-A-001-Z T3: O2 C5H12 GBR ATEX
T3-CPACAIZZ-A-001-Z T3: O2 C5H12 H2S GBR ATEX
T3-CPKFAHZZ-A-001-Z T3: O2 C5H12(NF) CO GBR ATEX
T3-CPKFAIAH-A-001-Z T3: O2 C5H12(NF) CO&H2S GBR ATEX
T3-CPKFZZZZ-A-001-Z T3: O2 C5H12(NF) GBR ATEX
T3-CPBVAIAH-A-001-Z T3: O2 C7H8(NF) CO&H2S GBR ATEX
T3-CPBVZZZZ-A-001-Z T3: O2 C7H8(NF) GBR ATEX
T3-CPBVASZZ-A-001-Z T3: O2 C7H8(NF) NH3(1000) GBR ATEX
T3-CPAAAHZZ-A-006-Z T3: O2 CH4 CO DEU ATEX
T3-CPAAAHZZ-A-001-Z T3: O2 CH4 CO GBR ATEX
T3-CPAAAHZZ-A-008-Z T3: O2 CH4 CO ITA ATEX
T3-CPAAAHZZ-A-007-Z T3: O2 CH4 CO NLD ATEX
T3-CPAAAHZZ-A-017-Z T3: O2 CH4 CO POL ATEX
T3-CPAAAHZZ-A-012-Z T3: O2 CH4 CO USA CSA
T3-CPAAKRZZ-A-001-Z T3: O2 CH4 CO(H2) GBR ATEX
T3-CPAAAIAH-A-015-Z T3: O2 CH4 CO&H2S BRA INMET
T3-CPAAAIAH-A-006-Z T3: O2 CH4 CO&H2S DEU ATEX
T3-CPAAAIAH-A-004-Z T3: O2 CH4 CO&H2S ESP ATEX
T3-CPAAAIAH-A-003-Z T3: O2 CH4 CO&H2S FRA ATEX
T3-CPAAAIAH-A-001-Z T3: O2 CH4 CO&H2S GBR ATEX
T3-CPAAAIAH-A-008-Z T3: O2 CH4 CO&H2S ITA ATEX
T3-CPAAAIAH-A-007-Z T3: O2 CH4 CO&H2S NLD ATEX
T3-CPAAAIAH-A-017-Z T3: O2 CH4 CO&H2S POL ATEX
T3-CPAAAIAH-A-012-Z T3: O2 CH4 CO&H2S USA CSA
T3-CPAAZZZZ-A-006-Z T3: O2 CH4 DEU ATEX
T3-CPAAZZZZ-A-001-Z T3: O2 CH4 GBR ATEX
T3-CPAAAIZZ-A-013-Z T3: O2 CH4 H2S AUS ATEX
T3-CPAAAIZZ-A-006-Z T3: O2 CH4 H2S DEU ATEX
T3-CPAAAIZZ-A-003-Z T3: O2 CH4 H2S FRA ATEX
T3-CPAAAIZZ-A-001-Z T3: O2 CH4 H2S GBR ATEX
T3-CPAAAIZZ-A-008-Z T3: O2 CH4 H2S ITA ATEX
T3-CPAAAIZZ-A-012-Z T3: O2 CH4 H2S USA CSA
T3-CPAAAQZZ-A-017-Z T3: O2 CH4 HCN POL ATEX
T3-CPAAARZZ-A-001-Z T3: O2 CH4 NH3(100) GBR ATEX
T3-CPAAASZZ-A-012-Z T3: O2 CH4 NH3(1000) USA CSA
T3-CPAAZZZZ-A-012-Z T3: O2 CH4 USA CSA
T3-CPAHZZZZ-A-001-Z T3: O2 CO GBR ATEX
T3-CPAHAIZZ-A-001-Z T3: O2 CO H2S GBR ATEX
T3-CPAHARZZ-A-001-Z T3: O2 CO NH3(100) GBR ATEX
T3-CPAHZZZZ-A-017-Z T3: O2 CO POL ATEX
T3-CPAHAJZZ-A-015-Z T3: O2 CO SO2 BRA INMET
T3-CPAHAJZZ-A-001-Z T3: O2 CO SO2 GBR ATEX
T3-CPKRZZZZ-A-001-Z T3: O2 CO(H2) GBR ATEX
T3-CPKRARZZ-A-017-Z T3: O2 CO(H2) NH3(100) POL ATEX
T3-CPAIAHAH-A-001-Z T3: O2 CO&H2S CO GBR ATEX
T3-CPAIAHAR-A-001-Z T3: O2 CO&H2S NH3(100) GBR ATEX
T3-CPAIAHAJ-A-003-Z T3: O2 CO&H2S SO2 FRA ATEX
T3-CPAIAHAJ-A-001-Z T3: O2 CO&H2S SO2 GBR ATEX
T3-CPAFAHZZ-A-001-Z T3: O2 H2 CO GBR ATEX
T3-CPAFKRZZ-A-015-Z T3: O2 H2 CO(H2) BRA INMET
T3-CPAFKRZZ-A-007-Z T3: O2 H2 CO(H2) NLD ATEX
T3-CPAFAIAH-A-001-Z T3: O2 H2 CO&H2S GBR ATEX
T3-CPAFZZZZ-A-004-Z T3: O2 H2 ESP ATEX
T3-CPAFZZZZ-A-001-Z T3: O2 H2 GBR ATEX
T3-CPAFAIZZ-A-001-Z T3: O2 H2 H2S GBR ATEX
T3-CPAIAHZZ-A-001-Z T3: O2 H2S CO GBR ATEX
T3-CPAIZZZZ-A-001-Z T3: O2 H2S GBR ATEX
T3-CPAIARZZ-A-001-Z T3: O2 H2S NH3(100) GBR ATEX
T3-CPAIASZZ-A-001-Z T3: O2 H2S NH3(1000) GBR ATEX
T3-CPAQZZZZ-A-001-Z T3: O2 HCN GBR ATEX
T3-CPAQARZZ-A-001-Z T3: O2 HCN NH3(100) GBR ATEX
T3-CPARAIAH-A-001-Z T3: O2 NH3(100) CO&H2S GBR ATEX
T3-CPARZZZZ-A-001-Z T3: O2 NH3(100) GBR ATEX
T3-CPARAIZZ-A-001-Z T3: O2 NH3(100) H2S GBR ATEX
T3-CPASZZZZ-A-001-Z T3: O2 NH3(1000) GBR ATEX
T3-CPZZAPZZ-A-004-Z T3: O2 O3 ESP ATEX
T3-CPZZAPZZ-A-012-Z T3: O2 O3 USA CSA
T3-CPAJAIAH-A-003-Z T3: O2 SO2 CO&H2S FRA ATEX
T3-CPAJAIAH-A-001-Z T3: O2 SO2 CO&H2S GBR ATEX
T3-ZZZZAPZZ-A-001-Z T3: O3 GBR ATEX
T3-ZZAJZZZZ-A-001-Z T3: SO2 GBR ATEX
T3 Gas Tester
GT-T3-01 T3 Gas Tester only (including inlet tubing)
GT-T3-02 T3 Gas Tester and fixed flow regulator
GT-T3-03 T3 Gas Tester, fixed flow regulator and gas cylinder holder
AC0301 1m tubing for reactive gases (includes tube insert)
C03052 0.5L/min fixed flow regulator with on/off switch
AC0510 Cylinder holder (wall mount) for 34L to 112L cylinder.
T3 Accessories
S011952 Aspirator assembly with 2m tubing
S012001 Aspirator assembly with 3m tubing
M04897 Flow plate and gasket
C01097 1m sample probe
C01757 Telescopic aspirator probe
M04032/1 Aspirator hose – per metre. Part number shown is 1m hose. If longer hoses are required replace the 1 with 2, 3, 4, 5, 10, 15, 20, 25, 30, 35, 40, 60, 70 or 100 for the length and multiple the list price by the length of hose ordered
FIL29001 in-line water trap/particulate filter inc. filter element
FIL99008 Filter element for FIL29001, price per element (minimum order quantity 10)
C03328 6m drop line
C01952 Harness plate – use with the shoulder strap or chest harness straps
C01843 Shoulder strap
C01844 Chest harness strap kit – consists of two straps (harness plate sold separately)
C011304 Chest harness kit (harness plate and 2 straps)
C011054 Leather carry case
C011055 Dust filter (only for use with CO/O2/H2S/LEL)
C03363 T3 hard shell carry case (to house one T3 and one charger – not included)
C011062 Gas Test Kit (Includes Crowmag, regulator, hose, flow plate)
S011919/3 Display/backlight/PCB assembly
S012975 T3 Ozone flow plate
T3 Battery Chargers/Interfaces
C011149 T3 universal charger complete with multi-region PSU (UK, USA, EU & Australian plug adaptors included)
C011199 T3 universal charger without PSU (can be used with existing charger lead or vehicle lead below)
C011018 Single way charger 12Vdc input
C011313 Single way charger with multi-region power supply
C03580 Multi-region power supply (includes UK, EU, US and Australian plug adaptors)
C01296 Charging lead for vehicle lighter socket lead
C011312 Single way charger/interface with multi-region power supply
C011019 Single way charger/interface 12Vdc input
C011039 5-way multicharger with 90-260V in-line power supply and UK mains lead
T3 PC Interfaces
E07532 PC lead (9 way D, female to female)
C02097 USB to RS232 adaptor
C011306 Charger/interface kit, includes multi-region power supply, single way charger/interface, USB-RS232 adaptor and PC lead
T3 i-module Sensor Spares
S011424/M 0-100% LEL methane
S011436/M 0-100% LEL propane
S011437/M 0-100% LEL pentane
S011439/M 0-100% LEL butane
S011440/M 0-100% LEL ethylene
S011460/M 0-100% LEL hydrogen
S011424/M/KDF 0-100% LEL methane AUS alarms
S011436/M/KDF 0-100% LEL propane AUS alarms
S011437/M/KDF 0-100% LEL pentane AUS alarms
S011491/M Ethanol (Unfiltered)
S011492/M IPA / Propanol (Unfiltered)
S011493/M Toluene (Unfiltered)
S011494/M Propane (Unfiltered)
S011495/M Pentane (Unfiltered)
S011496/M Methane (Unfiltered)
S011423/M 0-25% oxygen, two year (CSA)
S011972/M 0-25% oxygen, two year (ATEX IECEx and InMetro)
S012004 0-25% oxygen, three year (CSA)
S011974/M 0-25% oxygen, three year (ATEX IECEx, InMetro and Safe Area)
S011811/S 0-500ppm carbon monoxide
S011463/M 0-1500ppm carbon monoxide
S011812/S 0-100ppm hydrogen sulphide
S011954/M Dual toxic 0-500ppm carbon monoxide/0-100ppm hydrogen sulphide
S011425/M 0-20ppm sulphur dioxide
S011432/M 0-1ppm ozone*
S011435/M 0-100ppm ammonia
S011438/M 0-1000ppm ammonia
S011430/M 0-30ppm hydrogen cyanide
T3 Spares
M04682 Sensor sealing ring (minimum order quantity 5)
M04924 Membrane, dual toxic sensor
S011969/M Dummy sensor (minimum order quantity 4)
E07649 Charger elastomer – rechargeable version only (minimum order quantity 5)
M04853 Elastomer support (minimum order quantity 5)
E01934 Ribbon cable, i-module (minimum order quantity 5)
E01933 Ribbon cable, display (minimum order quantity 5)
M05974 Domed crowcon Label (minimum order quantity 8)
M05986 T3 branding label blue
M051011 T3 branding label black
M02362 Alligator clip
M03705 Clip retaining nut M3 (minimum order quantity 10)
M041181 T3 front moulding assembly
M041183 T3 rear moulding assembly
S011943/2 Main and display PCB assembly
M03320 Case screw (minimum order quantity 20)
M03792 Screw KB22 X 6 CSK WN1413 BZP
SM1035 Sounder
M04908 Sounder gasket (minimum order quantity 10)
M01878 Sounder gauze (minimum order quantity 10)
S012047 Battery tray assembly
S011918/2 T3 interface PCB
S011919/3 T3 Display + Backlight + PCB Assy
M04981 Filter (PAD3VB,16mm OD,9mm ID,Thickness 0.25mm,Pore 2um) (minimum order quantity 10)
M04895 Tetra 3 Battery support tray
M05151 T3 replacement certification label (serial number needed at time of order) authorised service centres only

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