TetraTetra复合气体检测仪

添加时间：2010-6-4 13:24:42 担当：未知阅读：次

产品名称：TetraTetra复合气体检测仪
定货号：YD-01836-00

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Tetra, is a unique multigas monitor for the detection of flammable gases, oxygen and toxic gases; Tetra offers flexibility, assurance, robustness and real value for money. Intrinsically safe, Tetra is the only portable gas detector with embedded software designed to the exacting requirements of IEC 61508-3 guaranteeing reliable and dependable operation.

Up to four gases measured
Digital interchangeable i-module sensors for full flexibility
Loud 90dBA audible alarm with selectable tones Unique dual colour red/blue visual alarm
Built in vibrating alarm as standard
Rugged and robust, IP65 ingress protectio
Simultaneous 4 gas display with automatic backlight
Peak mode operation
TWA reading recall
Data & Event logging
Simple IR interface to PC

Designed using the latest technologies, Tetra is simple to use, reliable, robust and fully weather protected.

Single button operation and intelligent sensor modules guarantee simplicity and flexibility of use.

The shockproof internal construction and self checking software assure reliable gas detection in the most arduous of environments. Tetra, a personal monitor you can trust.

Reliable

True single button operation – the most user friendly product available
Li-ion rechargeable battery gives full 12 hours operation
Easy to read backlit graphic display for gas readings and diagnostics
Simple indications of operating status can be viewed at a glance
30 day countdown warning of calibration due date
Flexible

Fully interchangeable intelligent sensor modules
Available with internal electric sampling pump
Rechargeable and alkaline battery versions
Robust

Tough plastic construction with flexible internal assembly to resist shock and vibration
Overmoulded rubber for added protection
Water and dust resistant to IP65
Assurance

94dBA audible alarm (@30cm)
Piercingly bright dual red/blue visual alarm
Internal vibrating alarm
Two levels of instantaneous alarm
Time weighted average alarm for 8 hours and 15 minute averages

Specifications

Weight: 498g (1.1lb)

Dimensions: 122x128x57mm (43/4 x5x21/2 inches) rechargeable. 134x128x57mm (51/4 x5x21/2 inches) nonrechargeable

Gas	Range	Alarm UK/ROW	Alarm USA
Flammable	0-100%LEL	20%LEL	10%LEL
Oxygen	0-25%	19/23.5%	19.5/23.5%
Hydrogen Sulphide	0-50ppm	5ppm	10ppm
Carbon Monoxide	0-500ppm	30ppm	35ppm
Sulphur Dioxide	0-20ppm	2ppm	2ppm
Chlorine	0-20ppm	0.5ppm	0.5ppm
Nitrogen Dioxide	0-10ppm	3ppm	3ppm
Ammonia	0-100ppm	25ppm	25ppm
Ozone	0-1ppm	0.1ppm	0.1ppm
Hydrogen	0-1000ppm	N/A	N/A
Hydrogen Cyanide	0-25ppm	5ppm	5ppm
Hydrogen Chloride	0-10ppm	1ppm	1ppm
Hydrogen Fluoride	0-10ppm	1ppm	1ppm
Phosphine	0-5ppm	0.2ppm	0.2ppm
Fluorine	0-1ppm	0.1ppm	0.1ppm
Phosgene	0-1ppm	0.1ppm	0.1ppm
Ethylene oxide	0-10ppm	1ppm	1ppm
Nitric oxide	0-100ppm	25ppm	25ppm

Other ranges and alarm levels are available on request. Each gas channel can have two instantaneous alarm levels set. Toxic channels also have Time Weighted Average alarms.

Flammable gas calibration is available for methane, propane, butane, pentane, hydrogen and ethylene as standard.

Typical response times: Flammable 20 s, Toxic gas 20 s, Oxygen 10s

Audible Alarms: 94dBA @ 30cm (1ft). Multiple alarm sounds allow selection of distinctive tones for different alarm levels

Visible Alarms: Dual colour red/blue flashing LED pair in gas hazard

Vibrating Alarm: Internal vibrating alarm

Display: 128x64 graphic LCD with backlight, giving simultaneous display for all gas channels. Graphic symbols for battery (with proportional indication of remaining operation time), pump operation, healthy operation or fault warning. Start up indication when calibration is due within 30 days, calibration overdue, or service required.

Display Mode: Normal display for real time gas concentration levels. Display recall for Peak readings and TWA

Datalogging: Timed datalogging: 50 hours at 1-minute data rate Event logging: >1500 events

Battery Types: Rechargable Li-ion battery. Non rechargeable pack 3xAA Alkaline cells

Operating time: Based on pumped four gas unit with flammable sensor - Rechargeable 12 hours minimum, Non-rechargeable 11 hours minimum

Sampling: Hand aspirator or internal electric sampling pump

Operating temp. range: -20oC to +55oC (-4oF to +131oF)

Humidity: 0-99% RH

Ingress Protection: IP65

Approval Codes - Europe: ATEX II 2G EEx iad IIC T4 (Tamb -20oC to +55oC) BASEEFA 03ATEX0193

Approval Codes - USA: UL/cUL Class I Division 1 Groups A, B, C, D.

Safety Standards - Europe: EN50014, EN50020, EN50018, 94/9/EC

Safety Standards - USA & Canada: UL913, CSA22.2, 152

Operation Standards: EN50270, EN50271, IEC61508, EN61779

PC Interface: IR link for RS232 connection. USB/RS232 Converter available. Portables PC software package provides full configuration control, calibration and access to the Data and Event files.

Autocalibrator: Tetra can be routinely calibrated using the Castle Autocalibrator II in conjunction with the Portables PC software.

Accessories: Tetra is supplied with an integral belt/pocket clip. Pumped units are supplied with a sampling kit (flowplate and 2m(6ft) tubing)

Plug in charging power supplies are available in UK, European or US style. In line versions for 110V or 230V AC have flying lead for fitment of suitable mains plug. A vehicle lighter socket charger is available. Optional accessories include: universal harness plate, shoulder strap, chest harness, carry case, aspirator assembly (flow plate bulb and 2m/6ft tubing), fixed and telescopic sample probes, and an in-line water trap.

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