Sierra Monitor Corporation 206 Specifications, Ordering Information, Model 203 Hydrogen Sulfide

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Model 203 - Hydrogen Sulfide

The Model 203 can be used in such typical applica- tions as wastewater treatment plants, laboratories and chemical plants.

Model 206 - Carbon Monoxide

The Model 206 Carbon Monoxide Gas Sensor Module can be used to provide an early warning of Carbon Monoxide accumulation in tanks, laboratories, chemi- cal plants, parking garages, vehicle test facilities and more.

SPECIFICATIONS

SENSOR TYPE:

Solid-State Metal Oxide Semiconductor

RANGE:

(at 50% relative humidity)

Model 201

300 - 2,000 ppm Hydrogen

 

500 - 10,000 ppm Methane

Model 203

10-50 ppm Hydrogen Sulfide (H S)

 

2

Model 206

50 - 500 ppm Carbon Monoxide (CO)

RESPONSE TIME:

 

Model 201

Less than 30 seconds

Model 203

For 50 ppm alarm, if 50 ppm H2S is present:

 

1-4 minutes, if >250ppm H2S is present:

 

30-90 seconds

Model 206

Less than 30 seconds

PERIODIC

 

MAINTENANCE:

None, other than routine calibration

OPERATING

 

TEMPERATURE

 

RANGE:

-4°F TO 158°F

 

(-20°C TO 70°C)

INPUT:

9 - 24 VDC (+ 1V), 250 mA

OUTPUT:

0.5 amp dry contact, 100 VDC, 130 VAC

 

Nominal 5 volts DC (TTL), source 25mA.

 

SAFE and ALARM signals.

INDICATORS:

Internal LED for calibration

ENCLOSURE:

Class I, Division 1, Groups C, D

ENCLOSURE

Cast aluminum for protection against

MATERIAL:

galvanic corrosion

SIZE:

6.75 x 4.0 x 3.5 in

 

(17.1 x 10.2 x 6.0 cm)

WEIGHT:

24 oz (678 g)

APPROVAL:

UL 60950

ORDERING INFORMATION

Combustible Gas

201-00

Hydrogen Sulfide

203-00

Carbon Monoxide

206-00

2007 by Sierra Monitor Corporation Printed in U.S.A.

Sierra Monitor Corporation 1991 Tarob Ct. Milpitas, CA 95035 (408) 262-6611 800-727-4377 FAX: (408) 262-9042

Visit our Web site at: www.sierramonitor.com E-Mail: sierra@sierramonitor.com

Rev. B 8/23/07

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Contents Semiconductor-Type Sensor Remote Alarm AvailableFeatures Benefits Model 201 Combustible GasModel 203 Hydrogen Sulfide SpecificationsOrdering Information Model 206 Carbon Monoxide

206, 20X, 201, 203 specifications

Sierra Monitor Corporation (SMC) is a leading provider of integrated solutions for monitoring and controlling various industrial applications. Among its key offerings are the 203, 201, 206, and 20X series devices, which are designed primarily for gas and flame detection. These products leverage cutting-edge technology to ensure safety and compliance in hazardous environments.

The 203 model is recognized for its robust design and flexibility. It is mainly deployed in environments where multiple gas types need to be monitored simultaneously. This device is particularly advantageous because of its ability to connect with various sensors, enabling it to detect gases such as methane, propane, and hydrogen. The configuration options allow users to tailor the device to their specific needs, ensuring comprehensive coverage in diverse settings.

The 201 model, on the other hand, is more compact and focused on targeted applications. It provides an excellent solution for areas with limited space. This model incorporates advanced sensor technology, delivering precise gas monitoring capabilities. The user-friendly interface makes it easy for operators to monitor gas levels in real-time, enhancing operational safety.

The 206 model takes gas detection to the next level with its integrated features. It offers advanced analytics that allow users to visualize data over time, identify potential threats, and react swiftly to hazardous situations. With its cloud connectivity, it provides remote monitoring capabilities, giving users access to vital information from anywhere, thus improving response times and operational efficiency.

Finally, the 20X series exemplifies SMC's commitment to innovation. Known for its superior sensitivity and reliability, this model is ideal for applications in industries such as oil and gas, petrochemicals, and manufacturing. This series supports various communication protocols, making it compatible with existing systems and easy to integrate into larger safety networks.

Each of these models reflects SMC's dedication to enhancing safety standards and operational efficiency. They are crafted using durable materials to withstand harsh environmental conditions, ensuring longevity and reliability. With features focusing on accuracy, reliability, and ease of use, these devices are trusted by industries worldwide to protect personnel and assets against gas and flame hazards. Overall, Sierra Monitor Corporation continues to lead in developing technologies that prioritize safety and compliance in industrial applications.