Gas leak detectors, analyzers, alarm devices and calibration gas
SKU# (1775)

GDS  GDS-78XP0-37-061-05/0-0-0-0




GDS GDS-78XP0-37-061-05/0-0-0-0
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GDS GDS-78XP Process Gas Monitor with a photoionization detector (PID) to detect VOC (Volatile Organic Compounds) with range 0-50/0-300 ppm Isobutylene Equivalent. For Hazardous Area Application (Class 1 Div 1). With DC powered monitor with 4-20mA plus 3x alarm relays and MODBUS interface. Available with NEMA 4x SS and Non-metallic enclosures.

Part# with Options:        GDS-78XP0-37-061-05/0-0-0-0
Price with Options:        Please Email us your request for quote   

Options:    

Sample Conditioning
(1) Sample Conditioning for GDS GDS78-XP
Sensor Type
(2) Sensor Type for GDS GDS-78XP/GDS-58XP (PID)
Output Options
(3) Output Options for GDS GDS-78XP
Enclosure Options
(4) Enclosure Options for GDS GDS78-XP
Enclosure Heater
(5) Enclosure Heater for GDS GDS-78XP
Warning Switch
(6) Warning Switch for GDS GDS-78XP
SS Enclosure
(7) Stainless Steel Enclosure for GDS GDS-78XP

  Availability 2 Weeks  ]

GDS-78XP Process Gas Monitor

The GDS-78XP Process Gas Monitor is designed to provide monitoring for gas sample streams compatible with standard electrochemical, infrared or photoionization sensors. For gases that require electrochemical sensors, the stream must contain at least 20% oxygen. If the target gas can be detected by an infrared or photoionization detector, then the gas stream is not required to contain oxygen. The GDS-78XP combines the industry-proven reliability and performance of GDS Corp GASMAX gas monitors with high quality sample conditioning and flow measurement components to deliver cost-effective solutions for process monitoring applications.

GASMAX Gas Monitor

The heart of the GDS-78XP is a GASMAX gas monitor configured for sample flow monitoring. The popular GASMAX family includes monitors that are loop-powered, DC-powered or wireless 900Mhz or 2.4 Ghz. Wireless units can be battery powered when used with toxic gas sensors, or DC powered for use with infrared, catalytic bead or PID sensors.

A magnetic switch menu-driven operator interface eliminates all analog potentiometers and allows setup and calibration without hazardous area declassification. When used with DC- powered systems, electrochemical sensors include temperature compensation and local heater for increased accuracy in low temperature applications.

Flexible Sample Conditioning

The GDS-78XP includes a high quality stainless steel sample conditioning system, which includes a stainless steel inlet valve and high quality glass flowmeter. For high or variable pressure applications the GDS-78XP can be configured to include an adjustable regulator and stainless steel coalescing filter or combination coalescing and membrane filter with sample bypass loop. Inlet pressure can vary between 1.0 psig and 3000 psig, depending on sample conditioning option selected.

Designed for XP Environments

GASMAX monitors are certified for use in Class I Div 1, Groups B, C & D areas when monitoring non-reactive gases. When measuring reactive gases such as chlorine or chlorine dioxide, a loop-powered GASMAX / EC must be specified and used with an intrinsically safe barrier for XP applications.

The GDS-78XP is available with optional NEMA 4x non-metallic and stainless steel enclosures.

FEATURES

  • Designed for installation in Class I, Div 1 Hazardous Locations
  • Reliable electrochemical sensor technology for toxic gases
  • Long life infrared sensors for carbon dioxide and hydrocarbons
  • Stainless steel coalescing filter removes particulate and moisture
  • Built-in flow meter provides visual confirmation of sample flow rate
  • Industry-proven GASMAX family monitor with large LCD display
  • Auto-recognition of infrared, VOC and toxic gas Smart Sensors
  • Prompted calibration procedure and cal port for easy maintenance
  • Optional 3x 5A SPDT alarm relays and MODBUS slave interface
  • Optional explosion proof flow switch for critical applications
  • Available with NEMA 4x stainless steel and non-metallic enclosures
  • Loop-powered Intrinsically Safe option for reactive gases
  • Calibration in hazardous area only requires simple magnetic wand
  • Manufactured in USA

GDS-78XP SPECIFICATIONS
Power Input: Loop-powered GM/EC: less than 0.75W
DC-powered GMII or GMIIx: 10 to 30VDC, 10 watts Max
Display 64 x 128 pixel LCD with backlight (GMII only)
Sample Inlet Pressure Option #1: Minimum 1.0 psig, maximum 50 psig. Max pressure change 10% from nominal value.
Option #2-3: Minimum 10 psig, maximum 3000 psig.
Sample Conditioning Option #1: Pyrex glass particulate filter.
Option #2: Stainless steel coalescing filter.plus regulator
Option #3: Combination coalescing & membrane filter plus regulator
Sample Inlet Temp +5C (+41F) to +50C (+122F)
Flow Switch Optional explosion proof flow switch configured for flying leads.
Signal Output Loop: 2-wire 4-20mA current sink. Max R is 600 ohms with 24VDC.
DC: 3-wire 4-20mA current source. Max R is 750 ohms with 24VDC
Wireless: Point to point wireless compatible with GDS Corp controllers
Optional Output Isolated 4-20mA current loop or three Form C Relays 5A @ 30VDC / 240VAC plus RS-485 2-wire MODBUS slave interface.
Operating Temp -25C (-13F) to +60C (+140F)
Construction GASMAX AL housing with epoxy paint standard; #316 stainless steel optional. All stainless steel tubing and fittings. Painted steel backplate.
Dimensions (Plate) 17w x 21 h x 6 d
6.8 kg / 15 pounds with simple filter
Dimensions (Enc) 20 w x 24 h x 8 d
Non-metallic or stainless steel enclosure
Inlet / Outlet 1/4 compression, stainless steel
Approvals GASMAX CSA Certified for Class I, Div 1, Grps B, C, D. Suitable for XP installations with stainless steel flame arrestor.
Warranty Electronics - 2 years from date of purchase.
Important: Electrochemical toxic gas sensors must be powered within three months of shipment or sensor life may be adversely affected.

Gases

GAS OR VAPOR Ionization Potential(eV)
A
2-Amino pyridine 8
Acetaldehyde 10.21
Acetamide 9.77
Acetic acid 10.69
Acetic anhydride 10
Acetone 9.69
Acetonitrile 12.2
Acetophenone 9.27
Acetyl bromide 10.55
Acetyl chloride 11.02
Acetylene 11.41
Acrolein 10.1
Acrylamide 9.5
Acrylonitrile 10.91
Allyl alcohol 9.67
Allyl chloride 9.9
Ammonia 10.2
Aniline 7.7
Anisidine 7.44
Anisole 8.22
Arsine 9.89
B
1,3-Butadiene (butadiene) 9.07
1-Bromo-2-chloroethane 10.63
1-Bromo-2-methylpropane 10.09
1-Bromo-4-fluorobenzene 8.99
1-Bromobutane 10.13
1-Bromopentane 10.1
1-Bromopropane 10.18
1-Bromopropene 9.3
1-Butanethiol 9.14
1-Butene 9.58
1-Butyne 10.18
2,3-Butadione 9.23
2-Bromo-2-methylpropane 9.89
2-Bromobutane 9.98
2-Bromopropane 10.08
2-Bromothiophene 8.63
2-Butanone (MEK) 9.54
3-Bromopropene 9.7
3-Butene nitrile 10.39
Benzaldehyde 9.53
Benzene 9.25
Benzenethiol 8.33
Benzonitrile 9.71
Benzotrifluoride 9.68
Biphenyl 8.27
Boron oxide 13.5
Boron trifluoride 15.56
Bromine 10.54
Bromobenzene 8.98
Bromochloromethane 10.77
Bromoform 10.48
Butane 10.63
Butyl mercaptan 9.15
cis-2-Butene 9.13
m-Bromotoluene 8.81
n-Butyl acetate 10.01
n-Butyl alcohol 10.04
n-Butyl amine 8.71
n-Butyl benzene 8.69
n-Butyl formate 10.5
n-Butyraldehyde 9.86
n-Butyric acid 10.16
n-Butyronitrile 11.67
o-Bromotoluene 8.79
p-Bromotoluene 8.67
p-tert-Butyltoluene 8.28
s-Butyl amine 8.7
s-Butyl benzene 8.68
sec-Butyl acetate 9.91
t-Butyl amine 8.64
t-Butyl benzene 8.68
trans-2-Butene 9.13
C
1-Chloro-2-methylpropane 10.66
1-Chloro-3-fluorobenzene 9.21
1-Chlorobutane 10.67
1-Chloropropane 10.82
2-Chloro-2-methylpropane 10.61
2-Chlorobutane 10.65
2-Chloropropane 10.78
2-Chlorothiophene 8.68
3-Chloropropene 10.04
Camphor 8.76
Carbon dioxide 13.79
Carbon disulfide 10.07
Carbon monoxide 14.01
Carbon tetrachloride 11.47
Chlorine 11.48
Chlorine dioxide 10.36
Chlorine trifluoride 12.65
Chloroacetaldehyde 10.61
-Chloroacetophenone 9.44
Chlorobenzene 9.07
Chlorobromomethane 10.77
Chlorofluoromethane (Freon 22) 12.45
Chloroform 11.37
Chlorotrifluoromethane (Freon 13) 12.91
Chrysene 7.59
Cresol 8.14
Crotonaldehyde 9.73
Cumene (isopropyl benzene) 8.75
Cyanogen 13.8
Cyclohexane 9.8
Cyclohexanol 9.75
Cyclohexanone 9.14
Cyclohexene 8.95
Cyclo-octatetraene 7.99
Cyclopentadiene 8.56
Cyclopentane 10.53
Cyclopentanone 9.26
Cyclopentene 9.01
Cyclopropane 10.06
m-Chlorotoluene 8.83
o-Chlorotoluene 8.83
p-Chlorotoluene 8.7
D
1,1-Dibromoethane 10.19
1,1-Dichloroethane 11.12
1,1-Dimethoxyethane 9.65
1,1-Dimethylhydrazine 7.28
1,2-Dibromoethene 9.45
1,2-Dichloro-1,1,2,2- tetrafluoroethane (Freon 114) 12.2
1,2-Dichloroethane 11.12
1,2-Dichloropropane 10.87
1,3-Dibromopropane 10.07
1,3-Dichloropropane 10.85
2,2-Dimethyl butane 10.06
2,2-Dimethyl propane 10.35
2,3-Dichloropropene 9.82
2,3-Dimethyl butane 10.02
3,3-Dimethyl butanone 9.17
cis-Dichloroethene 9.65
Decaborane 9.88
Diazomethane 9
Diborane 12
Dibromochloromethane 10.59
Dibromodifluoromethane 11.07
Dibromomethane 10.49
Dibutylamine 7.69
Dichlorodifluoromethane (Freon 12) 12.31
Dichlorofluoromethane 12.39
Dichloromethane 11.35
Diethoxymethane 9.7
Diethyl amine 8.01
Diethyl ether 9.53
Diethyl ketone 9.32
Diethyl sulfide 8.43
Diethyl sulfite 9.68
Difluorodibromomethane 11.07
Dihydropyran 8.34
Diiodomethane 9.34
Diisopropylamine 7.73
Dimethoxymethane (methylal) 10
Dimethyl amine 8.24
Dimethyl ether 10
Dimethyl sulfide 8.69
Dimethylaniline 7.13
Dimethylformamide 9.18
Dimethylphthalate 9.64
Dinitrobenzene 10.71
Dioxane 9.19
Diphenyl 7.95
Dipropyl amine 7.84
Dipropyl sulfide 8.3
Durene 8.03
m-Dichlorobenzene 9.12
N,N-Diethyl acetamide 8.6
N,N-Diethyl formamide 8.89
N,N-Dimethyl acetamide 8.81
N,N-Dimethyl formamide 9.12
o-Dichlorobenzene 9.06
p-Dichlorobenzene 8.95
p-Dioxane 9.13
trans-Dichloroethene 9.66
E
Epichlorohydrin 10.2
Ethane 11.65
Ethanethiol (ethyl mercaptan) 9.29
Ethanolamine 8.96
Ethene 10.52
Ethyl acetate 10.11
Ethyl alcohol 10.48
Ethyl amine 8.86
Ethyl benzene 8.76
Ethyl bromide 10.29
Ethyl chloride (chloroethane) 10.98
Ethyl disulfide 8.27
Ethylene 10.5
Ethyl ether 9.51
Ethyl formate 10.61
Ethyl iodide 9.33
Ethyl isothiocyanate 9.14
Ethyl mercaptan 9.29
Ethyl methyl sulfide 8.55
Ethyl nitrate 11.22
Ethyl propionate 10
Ethyl thiocyanate 9.89
Ethylene chlorohydrin 10.52
Ethylene diamine 8.6
Ethylene dibromide 10.37
Ethylene dichloride 11.05
Ethylene oxide 10.57
Ethylenelmine 9.2
Ethynylbenzene 8.82
F
2-Furaldehyde 9.21
Fluorine 15.7
Fluorobenzene 9.2
Formaldehyde 10.87
Formamide 10.25
Formic acid 11.05
Freon 11 (trichlorofluoromethane) 11.77
Freon 112 (1,1,2,2-tetrachloro-1,2- difluoroethane) 11.3
Freon 113 (1,1,2-trichloro-1,2,2- trifluororethane) 11.78
Freon 114 (1,2-dichloro-1,1,2,2- tetrafluoroethane) 12.2
Freon 12 (dichlorodifluoromethane) 12.31
Freon 13 (chlorotrifluoromethane) 12.91
Freon 22 (chlorofluoromethane) 12.45
Furan 8.89
Furfural 9.21
m-Fluorotoluene 8.92
o-Fluorophenol 8.66
o-Fluorotoluene 8.92
p-Fluorotoluene 8.79
H
1-Hexene 9.46
2-Heptanone 9.33
2-Hexanone 9.35
Heptane 10.08
Hexachloroethane 11.1
Hexane 10.18
Hydrazine 8.1
Hydrogen 15.43
Hydrogen bromide 11.62
Hydrogen chloride 12.74
Hydrogen cyanide 13.91
Hydrogen fluoride 15.77
Hydrogen iodide 10.38
Hydrogen selenide 9.88
Hydrogen sulfide 10.46
Hydrogen telluride 9.14
Hydroquinone 7.95
I
1-Iodo-2-methylpropane 9.18
1-Iodobutane 9.21
1-Iodopentane 9.19
1-Iodopropane 9.26
2-Iodobutane 9.09
2-Iodopropane 9.17
Iodine 9.28
Iodobenzene 8.73
Isobutane (Isobutylene) 9.4
Isobutyl acetate 9.97
Isobutyl alcohol 10.12
Isobutyl amine 8.7
Isobutyl formate 10.46
Isobutyraldehyde 9.74
Isobutyric acid 10.02
Isopentane 10.32
Isophorone 9.07
Isoprene 8.85
Isopropyl acetate 9.99
Isopropyl alcohol 10.16
Isopropyl amine 8.72
Isopropyl benzene 8.69
Isopropyl ether 9.2
Isovaleraldehyde 9.71
m-Iodotoluene 8.61
o-Iodotoluene 8.62
p-Iodotoluene 8.5
K
Ketene 9.61
L
2,3-Lutidine 8.85
2,4-Lutidine 8.85
2,6-Lutidine 8.85
M
2-Methyl furan 8.39
2-Methyl naphthalene 7.96
1-Methyl naphthalene 7.96
2-Methyl propene 9.23
2-Methyl-1-butene 9.12
2-Methylpentane 10.12
3-Methyl-1-butene 9.51
3-Methyl-2-butene 8.67
3-Methylpentane 10.08
4-Methylcyclohexene 8.91
Maleic anhydride 10.8
Mesityl oxide 9.08
Mesitylene 8.4
Methane 12.98
Methanethiol (methyl mercaptan) 9.44
Methyl acetate 10.27
Methyl acetylene 10.37
Methyl acrylate 9.9
Methyl alcohol 10.85
Methyl amine 8.97
Methyl bromide 10.54
Methyl butyl ketone 9.34
Methyl butyrate 10.07
Methyl cellosolve 9.6
Methyl chloride 11.28
Methyl chloroform (1,1,1- trichloroethane) 11
Methyl disulfide 8.46
Methyl ethyl ketone 9.53
Methyl formate 10.82
Methyl iodide 9.54
Methyl isobutyl ketone 9.3
Methyl isobutyrate 9.98
Methyl isocyanate 10.67
Methyl isopropyl ketone 9.32
Methyl isothiocyanate 9.25
Methyl mercaptan 9.44
Methyl methacrylate 9.7
Methyl propionate 10.15
Methyl propyl ketone 9.39
-Methyl styrene 8.35
Methyl thiocyanate 10.07
Methylal (dimethoxymethane) 10
Methylcyclohexane 9.85
Methylene chloride 11.32
Methyl-n-amyl ketone 9.3
Monomethyl aniline 7.32
Monomethyl hydrazine 7.67
Morpholine 8.2
n-Methyl acetamide 8.9
N
1-Nitropropane 10.88
2-Nitropropane 10.71
Naphthalene 8.12
Nickel carbonyl 8.27
Nitric oxide, (NO) 9.25
Nitrobenzene 9.92
Nitroethane 10.88
Nitrogen 15.58
Nitrogen dioxide 9.78
Nitrogen trifluoride 12.97
Nitromethane 11.08
Nitrotoluene 9.45
p-Nitrochloro benzene 9.96
O
Octane 9.82
Oxygen 12.08
Ozone 12.08
P
1-Pentene 9.5
1-Propanethiol 9.2
2,4-Pentanedione 8.87
2-Pentanone 9.38
2-Picoline 9.02
3-Picoline 9.02
4-Picoline 9.04
n-Propyl nitrate 11.07
Pentaborane 10.4
Pentane 10.35
Perchloroethylene 9.32
Pheneloic 8.18
Phenol 8.5
Phenyl ether (diphenyl oxide) 8.82
Phenyl hydrazine 7.64
Phenyl isocyanate 8.77
Phenyl isothiocyanate 8.52
Phenylene diamine 6.89
Phosgene 11.77
Phosphine 9.87
Phosphorus trichloride 9.91
Phthalic anhydride 10
Propane 11.07
Propargyl alcohol 10.51
Propiolactone 9.7
Propionaldehyde 9.98
Propionic acid 10.24
Propionitrile 11.84
Propyl acetate 10.04
Propyl alcohol 10.2
Propyl amine 8.78
Propyl benzene 8.72
Propyl ether 9.27
Propyl formate 10.54
Propylene 9.73
Propylene dichloride 10.87
Propylene imine 9
Propylene oxide 10.22
Propyne 10.36
Pyridine 9.32
Pyrrole 8.2
Q
Quinone 10.04
S
Stibine 9.51
Styrene 8.47
Sulfur dioxide 12.3
Sulfur hexafluoride 15.33
Sulfur monochloride 9.66
Sulfuryl fluoride 13
T
o-Terphenyls 7.78
1,1,2,2-Tetrachloro-1,2- difluoroethane (Freon 112) 11.3
1,1,1-Trichloroethane 11
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113) 11.78
2,2,4-Trimethyl pentane 9.86
o-Toluidine 7.44
Tetrachloroethane 11.62
Tetrachloroethene 9.32
Tetrachloromethane 11.47
Tetrahydrofuran 9.54
Tetrahydropyran 9.25
Thiolacetic acid 10
Thiophene 8.86
Toluene 8.82
Tribromoethene 9.27
Tribromofluoromethane 10.67
Tribromomethane 10.51
Trichloroethene 9.45
Trichloroethylene 9.47
Trichlorofluoromethane (Freon 11) 11.77
Trichloromethane 11.42
Triethylamine 7.5
Trifluoromonobromo-methane 11.4
Trimethyl amine 7.82
Tripropyl amine 7.23
V
o-Vinyl toluene 8.2
Valeraldehyde 9.82
Valeric acid 10.12
Vinyl acetate 9.19
Vinyl bromide 9.8
Vinyl chloride 10
Vinyl methyl ether 8.93
W
Water 1 2.59
X
2,4-Xylidine 7.65
m-Xylene 8.56
o-Xylene 8.56
p-Xylene 8.45

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GDS-58NXP0/37-61-05/0-00-0/0
(3342)

GDS  GDS-58NXP0/37-61-05/0-00-0/0

GDS GDS-58NXP Sample Draw Gas Detector and Monitoring System with a photoionization detector (PID) to detect VOC (Volatile Organic Compounds) with range 0-50/0-300 ppm Isobutylene Equivalent. Includes Sample Pump, QVGA color TFT High Visibility LCD Display, 4-20mA output plus 4 Form C 5A alarm relays, Ethernet Modbus TCP RJ-45 port with built-in web server and RS-485 MODBUS RTU slave interface. CSA Approved for Hazardous Locations. Class I Div 1.