The Detcon DM-700-H2S by Teledyne is a non-intrusive “Smart” sensor designed to detect Hydrogen Sulfide in the air using electrochemical sensor technology.
The intelligent plug-in, field-replaceable cell automatically recognises the gas type and range and features oversized gold-plated connections that help prevent corrosion.
The Model 700’s rugged framework includes an intrinsically safe electro-polished 316 stainless steel housing with fully encapsulated electronics and dual-layer surge protection.
This innovative design virtually eliminates sensor failure due to water ingress, corrosion, vibration, and transient spikes.
A primary feature of the Model 700 is embedded intuitive software that simplifies the operator interface by guiding the user through routine calibration, configuration, and fault diagnostic functions using a built-in alpha/numeric display.
The Model 700 is equipped with standard analogue 4-20mA and Modbus RS-485 outputs. Among its unique features is a wireless option that can be used with Detcon’s SmartWireless product line. Additional integration options include a Remote Alarm Module (RAM) and HART.
Detcon’s H2S sensors have a long shelf life and an industry-leading warranty. Models for other toxic gases are available.
Applications: Oil & Gas, Chemical Plants, Food & Beverage, Steel Mills, Pulp and Paper, Refineries, Wastewater Treatment Plants and Utilities.
| Detectors | |
|---|---|
| Model | Description |
| XSB-A1-03-A-HA-R-AE | XSB AL M20 SAFE ENG HART REL H2S-10ppm |
| XSB-A1-03-A-HA-R-AX | XSB AL M20 SAFE ENG HART REL ClO2-1ppm |
| XSB-A1-03-A-HA-R-CA | XSB AL M20 SAFE ENG HART REL H2O2-5ppm |
| XSB-A1-03-A-HA-R-HA | XSB AL M20 SAFE ENG HART REL O3-1ppm |
| XSB-A1-03-A-HA-R-IC | XSB AL M20 SAFE ENG HART REL CO2-5vol |
| XSB-A1-03-A-HA-R-PC | XSB AL M20 SAFE ENG HART REL PID-1000ppm |
| XSB-A1-03-A-HA-R-SA | XSB AL M20 SAFE ENG HART REL CL2-5ppm |
| XSB-A1-03-A-HA-R-SB | XSB AL M20 SAFE ENG HART REL CL2-10ppm |
| XSB-A1-03-A-HA-R-SF | XSB AL M20 SAFE ENG HART REL NH3-50ppm |
| XSB-A1-03-A-HA-R-SG | XSB AL M20 SAFE ENG HART REL NH3-100ppm |
| XSB-A1-03-A-HA-R-SK | XSB AL M20 SAFE ENG HART REL NO2-5ppm |
| XSB-A1-03-A-HA-R-SQ | XSB AL M20 SAFE ENG HART REL SO2-10ppm |
| XSB-A1-03-A-HA-R-SY | XSB AL M20 SAFE ENG HART REL HCN-25ppm |
| XSB-A1-03-A-ZA-R-AE | XSB AL M20 SAFE ENG REL H2S-10ppm |
| XSB-A1-03-A-ZA-R-AX | XSB AL M20 SAFE ENG REL ClO2-1ppm |
| XSB-A1-03-A-ZA-R-CA | XSB AL M20 SAFE ENG REL H2O2-5ppm |
| XSB-A1-03-A-ZA-R-HA | XSB AL M20 SAFE ENG REL O3-1ppm |
| XSB-A1-03-A-ZA-R-IC | XSB AL M20 SAFE ENG REL CO2-5vol |
| XSB-A1-03-A-ZA-R-PC | XSB AL M20 SAFE ENG REL PID-1000ppm |
| XSB-A3-03-A-HA-R-AE | XSB AL M20(1/2) SAFE ENG HART REL H2S-10ppm |
| XSB-A3-03-A-HA-R-HA | XSB AL M20(1/2) SAFE ENG HART REL O3-1ppm |
| XSB-A3-03-A-HA-R-SA | XSB AL M20(1/2) SAFE ENG HART REL CL2-5ppm |
| XSB-A3-03-A-HA-R-SB | XSB AL M20(1/2) SAFE ENG HART REL CL2-10ppm |
| XSB-S1-03-A-HA-R-AE | XSB SS M20 SAFE ENG HART REL H2S-10ppm |
| XSB-S1-03-A-HA-R-AX | XSB SS M20 SAFE ENG HART REL ClO2-1ppm |
| XSB-S1-03-A-ZA-R-AE | XSB SS M20 SAFE ENG REL H2S-10ppm |
| XSB-S1-03-A-ZA-R-AX | XSB SS M20 SAFE ENG REL ClO2-1ppm |
| XSB-S2-03-A-HA-R-CA | XSB SS 1/2NPT SAFE ENG HART REL H2O2-5ppm |
| XSB-S2-03-A-ZA-R-HA | XSB SS 1/2NPT SAFE ENG REL O3-1ppm |
| XSB-S2-03-A-ZA-R-SQ | XSB SS 1/2NPT SAFE ENG REL SO2-10ppm |
| XSB-S2-03-A-ZC-R-IC | XSB SS 1/2NPT SAFE ENG REL CO2-5vol |
| Spare Sensors | |
| Model | Description |
| S015143/S | Flammable Gas Sensor 0-100% LEL (MPS) |
| S015125/S | Ammonia Sensor 0-100ppm NH3 |
| S015124/S | Ammonia Sensor 0-50ppm NH3 |
| S015119/S | CO2 Sensor 0-5% vol |
| S015134/S | Chlorine Sensor 0-10ppm |
| S015133/S | Chlorine Sensor 0-5ppm |
| S015139/S | Chlorine Dioxide Sensor 0-1ppm |
| S015138/S | Hydrogen Cyanide Sensor 0-25ppm |
| S015137/S | Hydrogen Peroxide Sensor 0-5ppm |
| S015107/S | Hydrogen Sulphide Sensor 0-10ppm |
| S015140/S | Nitric Oxide Sensor 0-50ppm |
| S015136/S | Nitrogen Dioxide Sensor 0-5ppm |
| S015126/S | Ozone Sensor 0-1ppm |
| S015132/S | PID Sensor 0-1000ppm |
| S015127/S | Sulphur Dioxide Sensor 0-10ppm |
| Accessories | |
| Model | Description |
| C01051 | Collector Cone – For lighter gases detection |
| C01052 | Spray Deflector – Outdoor protection |
| C01442 | Weatherproof Cap – Wet environments |
| C01339 | Flow Adaptor |
| C011063 | Sun Shield – Heat protection |
| S011100 | Duct Mounting Kit |
| C03005 | Calibration Adaptor |
| Sensor Type |
Continuous diffusion/adsorption 3-electrode electrochemical cell Plug-in field replaceable Intelligent Type |
|---|---|
| Outputs |
Linear 4-20 mA DC RS-485 MODBUS-RTU |
| Electrical Classification |
Explosion proof CCSAUS Class I, Division 1, Groups B, C, D () Class I, Zone 1, Group IIC ATEX II 2 G Ex d ib IIB + H2 T4 GB |
| Ingress Protection | NEMA 4X, IP66 |
| Safety Approvals |
cCSAus ATEX CE Marking SIL2 Certified to IEC 61508 |
| Dimensions |
7”H x 2.2” Dia.; 178mmH x 65mm Dia. (sensor assembly
only) 11”H x 6.1”W x 3.75”D; 280mmH x 155mmW x 96mmD (with junction box) Mounting holes (J-box): 5.5”; 140mm centre to centre |
|---|---|
| Weight |
2 lbs; 0.907kg (sensor only) 6 lbs; 2.72kg (with aluminum junction box) 9 lbs; 4.08kg (with stainless steel junction box) |
| Power Input | 11 – 30 VDC |
|---|---|
| Power Consumption |
Normal operation = 30mA @ 24V (<0.75 watt) Maximum = 50mA @ 24V (1.2 watts) |
| Inrush Current | 500mA @ 24V (typical) |
| RFI/EMI Protection | Complies with EN50270 |
| Analog Output |
Linear 4-20mA DC (1,000 ohms max loop load @
24VDC) 0mA All Fault Diagnostics 2mA In-Calibration 4-20mA 0-100% full-scale 22mA Over-range condition |
| Serial RS-485 Output | RS-485 Modbus™ RTU |
| Baud Rate | 9600 BPS (9600, N, 8, 1 Half Duplex) |
| Status Indicators |
4-digit LED display with gas concentration Full-script menu prompts for AutoSpan, setup options, and fault reporting |
| Faults Monitored | Loop, Input Voltage, Missing Sensor, Zero, Processor, Memory, Calibration |
| Cable Requirements |
Power/Analog: 3-wire shielded cable Maximum distance: 13,300 feet with 14 AWG Serial Output: 2-wire twisted-pair with ground, shielded communication cable for RS-485 Maximum distance: 4,000 feet to last sensor |
| I/O Protection | Over-voltage, Miswiring, EMI/RFI Immunity |
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