Sentry

Gas Sensor Modules

Electrochemical

Common Specifications for All 5100 Series Sensors

Electrochemical sensors are fuel cell-like devices consist-

Zero Drift:

ing of an anode, cathode, and electrolyte. The compo-

Calibration Frequency:

nents of the cell are se-

 

 

 

 

Transmission:

 

 

lected so a subject gas

 

 

 

 

Warranty:

allowed to diffuse into the

 

 

 

 

Housing:

cell will cause a chemical

 

 

 

 

 

reaction and generate a

 

 

 

current. The cells are dif-

 

 

 

fusion limited, so the rate

 

 

Dimension:

at which the gas enters

 

 

 

 

 

the cell is solely depen-

 

 

 

 

 

 

dent on the gas concentration. The current generated is

 

proportional to the rate of consumption of gas in the cell.

Weight:

 

 

 

Unlike other electrochemical sensors where gas diffuses

 

through membranes into the cell, Sierra Monitor sensors

 

allow gas to diffuse into the sensor through a simple cap-

 

illary. The result is an extremely stable sensor with very

 

low temperature and pressure coefficients.

 

Less than 5% per year

90 Days Recommended Digital – RFI, EMI immune 2 years

Explosion proof (NEMA 7) (Div. 1, Class 1, Groups C,D) Optional upgrade to Group B,

NEMA 4X

7.6X 4.6 X 4.2 inches (19.3 X 11.7 X 10.7 cm) Note that 5100-26 is larger

2.7 lb. (1.3 Kg)

GAS SENSOR SPECIFICATIONS

Gas

Model

Sensor

Range

Time

 

Sensor

Operating

Relative

 

Number

Type

 

Response

Life

Temperature

Humidity

Hydrogen

5100-07

Electrochem

0-1,000 PPM

90%

<30 sec.

2 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99% RH

Sulfur Dioxide

5100-10

Electrochem

0-100 PPM

90% <20 sec.

2 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99% RH

Nitrogen Dioxide

5100-12

Electrochem

0-20 PPM

90% <35 sec.

2 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99% RH

Carbon Monoxide

5100-13

Electrochem

0-1,000 PPM

90%

<25 sec.

3 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99% RH

Carbon Monoxide

5100-16

Electrochem

0-2,000 PPM

90%

<35 sec.

2 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99% RH

(Hydrogen Tolerant to

 

 

 

 

 

 

 

 

 

2,000 PPM H2)

 

 

 

 

 

 

 

 

 

Nitric Oxide

5100-19

Electrochem

0-20 PPM

90% <15 sec.

3 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99% RH

Hydrogen Chloride

5100-21

Electrochem

0-20 PPM

90%

<100 sec. 2 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99%

RH

Hydrogen Cyanide

5100-22

Electrochem

0-20 PPM

90% <70 sec.

2 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99%

RH

Hydrogen Fluoride

5100-26

Electrochem1

0-10 PPM

90% <30 sec.

1 yr.

14 o to 113 o F(-10 o to 45 o C)

20-95%

RH

Ethylene Oxide

5100-27

Electrochem

0-20 PPM

90% <90 sec.

2 yr.

4 o to 122 o F (-20 o to 50 o C)

15-99%

RH

Note 1: Diffusion via membrane

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

Web Site: http://www.sierramonitor.com E-Mail: sales@sierramonitor.com

© 2009 by Sierra Monitor Corporation

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Sierra Monitor Corporation 5100 Series manual GAS Sensor Specifications
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5100 Series specifications

Sierra Monitor Corporation, a leader in industrial communication solutions, offers the 5100 Series, designed for robust monitoring and control of gas sensors and alarms. The 5100 Series is particularly suited for industrial settings, ensuring safety and compliance with environmental regulations.

One of the notable features of the 5100 Series is its advanced networking capabilities. It supports various communication protocols, such as Modbus, TCP/IP, and other industrial standards, allowing seamless integration with existing control systems. This flexibility ensures that users can easily connect the monitors to their infrastructure, facilitating real-time data access and control.

The 5100 Series is equipped with a powerful microprocessor that enables enhanced data processing and storage capabilities. Users can benefit from features like data logging, which records critical safety and performance information for analysis and reporting. This is particularly useful in situations where regulatory compliance is necessary, as it provides a historical record of gas levels and system performance.

Another key characteristic of the Sierra Monitor 5100 Series is its user-friendly interface. The device features an intuitive LCD display that shows real-time data, visual alerts, and system diagnostics. This ensures that operators can quickly assess the status of gas levels and respond promptly to any alerts or anomalies. The system also supports remote monitoring, allowing users to access data via web browsers or dedicated applications.

The 5100 Series utilizes innovative sensor technology to detect a variety of gases including methane, propane, hydrogen sulfide, and carbon dioxide. These sensors offer high sensitivity and accuracy, ensuring reliable detection even in challenging environments. Furthermore, the sensors are designed to be resistant to contamination, which is critical in industrial settings where exposure to dust and other particulates is common.

Built to endure harsh conditions, the 5100 Series features rugged construction and IP-rated enclosures, ensuring reliability and durability over time. This is essential for maintaining safety standards in environments that may experience extreme temperatures, humidity, or pressure changes.

In conclusion, the Sierra Monitor Corporation 5100 Series is an exemplary solution for gas detection and monitoring in industrial applications. With its advanced networking capabilities, data logging features, user-friendly interface, and durable design, it provides an efficient and effective means of ensuring safety and compliance in the workplace.
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