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RKI Instruments SD-705RID Smart Transmitter With Alarm Relay/Infrared Gas Detector for %LEL Isobutane - SD-705RID

Item #:
SD-705RID
Brand:
RKI Instruments
RKI Instruments SD-705RID Smart Transmitter With Alarm Relay/Infrared Gas Detector for %LEL Isobutane - SD-705RID
$2,887.50
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RKI Instruments SD-705RID Smart Transmitter With Alarm Relay/Infrared Gas Detector for %LEL Isobutane - SD-705RID

RKI Instruments SD-705RID Smart Transmitter With Alarm Relay/Infrared Gas Detector for %LEL Isobutane - SD-705RID

$2,887.50

SD-705RID Smart Transmitter With Alarm Relay/Infrared Gas Detector for %LEL Isobutane by RKI Instruments

This is a flame proof gas detectorfor LEL level detection of methane and many other hydrocarbons. This detector uses the non-dispersive infrared absorption (NDIR) detection method, which is free from interferences from H2, most non hydrocarbon refrigerants, and most other gases or vapors. The sensor also is not poisoned or influenced by silicon vapors, or corrosive vapors, which typically can destroy sensors from other detection methods.

The SD-705 is compact and easy to install and operate. The adjustment control is a magnetic wand that is easy to use by placing it onto the glass window of the gas detector. Gas concentration is read through window, and adjustable dual alarm contacts are provided for activation of external buzzer or alarm light. Powered by 24 VDC, the unit has a 4-20mA output for communication to outside controllers, for additional external readouts or alarming devices.

Features:

  • Dual alarm contacts provided
  • Simple adjustment with magnetic control key
  • Non-dispersive infrared absorption (NDIR) method applied
  • Remote detector connection capability
  • Simple one man calibration
  • Self-diagnostic by internal microprocessor
  • Stable reading and good gas selection by NDIR
  • Free from interference of inert gas and H2 etc
  • Back-lit LCD provided
  • Peakhold function provided (option)

*Please note we can only ship RKI products to customers within the United States

Model
SD-705RID
(Sensor attached to transmitter housing)
SD-705RI
(Sensor attached to transmitter housing)
SD-705SC-RI/GD-A45RI
(Sensor attached to transmitter housing)
Sampling Method
Sample drawing type
Diffusion type
Diffusion type
Measuring Gas
Methane (CH4)and Hydrocarbon (HC)
Detection Principle
Non Dispersive Infrared Absorption (NDIR) method
Measuring Range
0~100%LEL
Accuracy
Within ±5% of F.S
Response Time
Within 30 seconds to get T60
Alarm preset point & contact capacity
1st: 25% LEL
2nd: 50% LEL (Adjustable at any level) DC 125V 0.3A, DC30V 1A
External Output
Alarm contact: Gas alarm - Normally open or normally close for both 1st and 2nd alarms
Trouble alarm - Normally open or normally close (option)
Signal: Gas concentration - 4-20mA (linear, Resistance load, below 300Ω)
Malfunction - 0.5mA
At maintenance mode and initial clear time - 2.5mA (Note: Max. 22mA with limiter)
Power source
DC 24V ±10% (power consumption: Max 4W)
Structure
Flame proof structure ExdIIBT4X
Ambient Temperature and Humidity
-10°C ~ 40°C Below 95% RH (Non-Condensing)
Option: Available beyond standard range on request
Cable used
Shielded cable 3 core
Shielded cable 3 core
Shielded cable 3 core and 3 m exclusive cable is used between transmitter and detector head
Transmission distance
Between indicator/alarm unit and detector head:
Shielded cable 1.25sq used, Max 1.25km
Shielded cable 2.0sq used, Max 2.0km
Dimensions
Approx. 205(W) x 230(H) x 90(D)mm
Weight
Approx. 5.2kg (SD-705RID only)
Approx. 5.0 kg (SD-705RI only)
Approx. 5.0 kg (SD-705SC-RI only)
Approx. 7.0 kg (SD-705SC-RI with GD-A45RI and exclusive cable)

Datasheets & User Manuals

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