RKI Instruments SD-1OX Gas detector head, 0 – 25% vol O2

1,000

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Description

SD-1OX-HS SD-1OX Detector Head, 0 – 25% vol O2 (Oxygen) with HART Communication & SIL (No Relay) by RKI Instruments

RKI Instrument’s model SD-1 Series smart combustible gas, toxic gas, oxygen, and organic vapor detector/transmitter is a robust and reliable explosion proof design for detecting LEL and ppm levels of hazardous atmospheres. In addition to measuring the common %LEL levels of methane, hexane and isobutane, for example, the SD-1 Series also has the capability of measuring a wide variety of toxic organic compounds in a PPM range such as acrylonitrile, ethylene oxide, n-methyl pyrolidone, methylene chloride and many others. This gives the SD-1 Series a unique niche in RKI’s gas detector line-up. The SD-1 has an ATEX/IECEX approval for the explosion class ExdIICT5 and has an IP-65/67 ingress protection rating.

The SD-1 has a 4-20mA signal output as well as relay contacts for interfacing with other control systems or monitoring facilities. All SD-1 types are also available with HART communication instead of 4-20mA relay. SIL2 is available for the IR, EC and OX types. In facilitating non-intrusive conditions in hazardous atmospheres, the SD-1 can be calibrated and it’s menus navigated with magnetic switches and a magnetic key.

SD-1 Features

  • Wide range of detectable gases: % LEL Combustibles, catalytic; % LEL Combustibles, IR; H2S, CO, & O2; PPM for acrylonitrile, hydrogen, ethylene oxide, n-methyl pyrolidone, methylene chloride, and many others
  • Sensor types include: Catalytic, Galvanic Cell, MOS, IR, & Electrochemical
  • Direct digital display of gas readings
  • HART Communication protocol or 4-20 linear output
  • Available with SIL2 approval (IR, EC, OX versions)
  • Easy maintenance using a magnetic key
  • Self-diagnosis by microprocessor
  • Low power operation (Maximum: 3W)
  • Explosion proof: ATEX, IECEx, ExdIICT5

SD-1 Applications

  • LNG Terminal
  • Petrochemical/Chemical plants
  • Power plant
  • Utilities
  • Iron and steel works

Brand

Riken Keiki

The RIKEN KEIKI (KRI) product lineup includes more than 100 types of gas detectors and environmental monitoring products. Riken Keiki (RKI) Single gas detector range: 
  • 03 Series Smallest Single Gas Monitor
  • GasWatch 3 – Smallest Gas Monitor
  • 04 Series Smallest Toxic Gas Monitor
  • FP-31 Formaldehyde Gas Detector
  • SP-220 Gas Leak Checker for Combustible, Toxic, Freon and Fumigation Gases
  • SC-8000 Portable Toxic Gas Monitor
Riken Keiki (RKI) Multi-gas detector range: 
  • GX-3R Personal Gas Detector
  • GX-3R Pro Gas Detector with Wireless Communication
  • GX-6000 PID Gas Monitor
  • GX-2012 Confined Space Gas Monitor
  • GX-2009 Portable Multi Gas Detector
  • Gas Tracer PPM Leak Detector
  • Eagle 2 Multi Gas Detector for LEL, O2, H2S, CO, VOC & Toxics
  • Eagle Gas Detector
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Specification

Model
SD-1GP
SD-1RI
SD-1GH
SD-1EC
SD-1OX
Detection principle
Catalytic
Infrared
Semiconductor
Electrochemical
Galvanic Cell
Measuring gas
Variety of hydrocarbons
See chart below
CO/H2S
Oxygen
Measuring range
0 -100% LEL
CO: 0-75ppm
H2S: 0-30ppm
0 -25 vol%
Alarm setting
2 programmable alarm set points/increasing/decreasing/latching/ self resetting/on delays/off delays/energized/de-energized
Alarm contacts
Normally open or normally closed
Sampling method
Diffusion (Flow adapter and air aspiration available)
Display
4 digit Digital LED
Output
4-20 mA or HART (optional without 4-20 mA)
Relay
1 Relay with 4-20 mA versions or No relay with HART versions
Contact capacity
30 VDC 0.5A or 120 VAC 0.5A (load resistance)
Fail alert Self diagnosis
Circuit failure / Sensor failure
Fail alert display
Fail lamp (Yellow)
Power source
24VDC (17VDC ~ 26.4VDC)
Operating Temperature & humidity
-4 ~ + 140°F / below 95% RH (non condensing) [-20 ~ + 60°C], (SD-1EC Below 80% RH)
Dimension & Weight
5.8″(W) x 6.3″(H) x 3.5″ (D) , Approx. 4.4 lbs [148(W) x 161(H) x 88(D) mm, Approx. 2.0kg]
Approvals
Exd II CT5,ATEX **
IECEx EN60079-29-1
CML 15ATEX1034
IECEX, SIL2
Exd II CT5,ATEX, IECEx
DEKRA 13ATEX0035
IECEx DEK 13.0024X, SIL2

SD-1GH Detectable Gases & Measuring Ranges

Detection Gas
Formula
Full Scale Ranges
TLV-TWA (ppm)
LEL
Low (ppm)
High (ppm)
Acetic acid
C2H4O2
500
3000
10
4.0
Acetone
C3H6O
100
10000
500
2.15
Acetylene
C2H2
200
3000
1.5
Acrylonitrile
C3H3N
500
1000
2
2.8
Ammonia
NH3
500
1000
25
15
Benzene
C6H6
200
2000
0.5
1.2
Buthylacetate
C6H12O2
100
5000
150
1.4
Buthylacrylate
C7H12O2
50
1000
2
1.5
n-Buthyl alcohol
C4H10O
100
5000
400
1.4
Chloroform
CHCL3
200
5000
10
Cyclohexane
C6H12
200
5000
100
1.3
Cyclohexanone
C6H10O
50
1000
20
1.1
2-ethoxyethyl acetate
C6H12O3
100
3000
5
1.7
Ethyl acetate
C4H8O2
100
5000
20
2.1
Ethyl alcohol
C2H5OH
100
5000
1000
3.3
Ethylene
C2H4
200
5000
200
2.7
Ethylene oxide
C2H4O
100
1000
1
3.0
R-11
CCI3F
2000
5000
1000
R-12
CHCIF2
300
5000
1000
Hydrogen
H2
200
10000
4.0
Hydrogen Specific
H2
200
2000
4.0
Hydrogen sulfide
H2S
20
2000
4.0
Isopropyl alcohol
C3H8O
300
5000
200
2.0
Methane
CH4
2000
100%LEL
5.0(CH4)
Propane
C3H8
2000
100%LEL
2.0(C3H8)
Methyl alcohol
CH3OH
100
5000
200
5.5
Methyl bromide
CH3Br
200
1000
5
8.6
Methyl ethyl ketone
C4H8O
30
5000
200
1.8
Methyl isobutyl ketone
C6H12O
50
500
50
1.2
Methylene choride
CH2CI2
500
5000
50
13.0
n-Hexane
n-C6H14
100
5000
50
1.2
Tetrahydrofuran
C4H80
20
3000
100
1.2
Toluene
C7H8
20
3000
100
1.2
Trichloroethylene
C2HCl3
300
5000
50
7.9
Vinyl chloride
C2H3Cl
200
3000
5
3.8
Xylene
C8H10
100
2000
100
1.0

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