Gas leak detectors, analyzers, alarm devices and calibration gas
SKU# (6147)

DELPHIAN  364-450-01

DETECTORS / GAS DETECTORS
METHANE

$662.40     Availability: In Stock
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DELPHIAN 364-450-01 (1)
  • Overview
  • Benefits
  • Specs
  • Documents

Delphian GazTell Fixed Point Infrared Gas Detector for Methane (CH4) (4-112% LEL or 4-100% vol). 4-20mA Output. Optional Modbus RTU Output and Alarm Relays. FM and SIL2 Approvals. Suitable for Class I Div 1 & 2 Groups C, D.

Part# with Options:        364-450-01
Price with Options:        662.40

Options:    

Measurement Range
(1) Measurement Range for Delphian Gaz Tell IR Methane
Remote Display
(2) External Display Module for Delphian Gaz Tell IR/EC via RS-485
Alarm Relays
(3) Simple Local Alarm Module for Delphian Gaz Tell IR
Communications Module
(4) Communications Module for Delphian Gaz Tell IR
Mounting Options
(5) Mounting Options for Delphian GazTell
Adaptors
(6) Adaptors for Delphian GazTell CH4
Splash Guard
(7) Splash Guard for Delphian GazTell

  Availability In Stock  ]

Hassle free safety:
  • Simple to use and install
  • Shock & vibration resistant
  • No sensor replacement
  • Low power consumption
  • Immune to poisoning
  • Checks itself every second
  • Plain English displays
  • Tough
  • Reliable
  • Affordable
  • Accurate
THE DETECTOR HEAD

The GazTell IR detector head can be used alone or with the optional modules.

  • The small size (5"L x 2"W) makes it easy to place in inconspicuous or difficult to reach locations.
  • User-friendly, alpha-numeric LED display with plain English, understandable instructions and prompts.
  • Low maintenance and low cost of ownership. Zero calibration required infrequently. Span calibration may never be required after start-up. The detector head monitors drift and will display C ALIBRATION N EEDED if the drift is over 5% LEL. The detector head records and will display the last time it was calibrated.
  • Connects directly to conduit eliminating the need for expensive and bulky junction boxes.
  • Smart Sensor saves operator time and money. The sensor knows when calibration is required, when it was last calibrated, how long it has been in service, zero drift, high and low temperature, the highest gas reading since the last calibration, when the optics are dirty and many more. It checks itself and its vital functions every second.
  • No need to heat optics, even at -40 oC, so power consumption is very low. Even at its maximum power consumption (with the display at its brightest), the detector head uses only 65mA @ 24VDC.
OPTIONAL SLAM
External Relay Module
  • Set alarm levels without software, using simple jumper selection.
  • The module can be placed anywhere relays are needed.
  • Flexible design allows the relays to be placed next to the functions they operate.
  • The relay module uses hefty 6 amp@120 volt relays for Fail, High and Low Alarm, so auxiliary relays are often not needed. Alarm relays can be set to be latching or non-latching, energized or de-energized, normally open or closed. Even a 5 second alarm delay can be turned on to avoid false alarms.
  • Relays operate from -40 oF to 167 oF (-40 oC to +75 oC).
OPTIONAL EXMO
External Display Module

The EXMO is a problem solver—it communicates directly with the detector head and mimics its display. If the detector head is located remotely high or low, or in a difficult to calibrate place, locating the EXMO in an accessible position gives immediate access to the detector head’s sensor.

It sees everything the detector head sees. It gives control via bi-directional RS-485.

Remote calibration has never been so easy.

The small extension module has the same plain English displays and color coded operation as the remotely placed detector head.

  • Check the sensor before entering a dangerous area.
  • Take the sensor online or offline
  • Calibrate
  • Cancel calibration

SPECIFICATIONS
DimensionsDetector Head: 5"L x 2"W
EXMO, SLAM & COMO: (each) 6"L x 3.5"W x 2"H
Shipping Weight Detector Head: .875 lbs (.4 kg)
EXMO, SLAM & COMO: (each) 1.25 lbs (.6 kg)
Output Signal Range 4-20mA or 1-5 mA (user selectable, 4 - 20mA is default). Modbus RTU available as an option.
Output is linear and proportional to the gas scale.
Load (maximum resistance) 300 Ohms
Measurement Ranges 4% LEL - 112% LEL (Lower Explosive Limit) or 4% to 100% by volume.
Flooding Not flooded by high concentrations of gas.
Humidity Range 0-99% RH, non-condensing
Temperature Range Operating: -40 oF (-40 oC) to +167 oF (+75 oC)
Storage: -58 oF (-50 oC) to +185 oF (+85 oC)
FM Approvals tested the detector head to -20 oC (-4 oF) to +70 oC (+158 oF) and tested the EXMO/SLAM/COMO to -20 oC (-4 oF) to +60 oC (+140 oF)
Pressure The average sea-level pressure is 1013.25 mbar.
Normal pressure changes have a small effect on LEL readings.
IR Light Source Rated 70,000 hours
Calibration Regulator Flowrate 1 LPM (liter per minute)
Zero Calibration Required infrequently.
Mean Time Between Failures (MTBF@70F) 8 years (electronics)
Response Time t(60) <12s
Recovery Time t(10) <60s
Accuracy +/-5% Measuring Range or +/-10% of indication, whichever is greater
Repeatability +/-3% up to 112% LEL
Input Voltage Nominally 12 to 42 VDC.
Warm up time 45 seconds to operational. Up to one hour to specification depending upon ambient temperature.
Zero Drift Less than 2% per month (estimated).
Span Drift Less than 2% per month (estimated).
Blocking Gases Acetylene interferes with methane.
Poisons None Known
Interfering gases Sensitive to most CHC Gases but will only be accurate for methane. It will be substantially inaccurate for other CHC gases detected.
Effect of low or high levels of Oxygen No effect
Detector Head RFI/EMI Immunity Less than 1% LEL change with 5w transceiver keyed within three feet.
RFI/EMI Protection complies with EN50270, EN61000-6-4
Area Hazard Classification Class I, Divisions 1 & 2, Groups C, D
Altitude Correction When span calibrated at point of use.
SLAM Relays 6 amps@120 volts
SLAM Response Time Less than a second from the time the detector head sees sufficient gas to trigger an alarm to the relay operating.
EXMO Response Time Less than a second from the time the detector head sees gas to the EXMO displaying that gas concentration.
Approval FM Approvals
SIL (Safety Integrity Level) SIL 2
Warranty 2 years from date of shipment.
Patents Compensation and operational algorithms protected by Delphian Patents 6,545,278 and 7,996,159


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