Looking for Gas Detectors with 4-20 mA Output for SCADA System Integration

Question:

Mil-Ram gas detection recently closed, leaving us in need of a new gas detection manufacturer for our SCADA system. We are looking for gas detectors that utilize a 4-20 mA output signal and are compatible with 12v-24v DC power sources. Our requirements include detectors for Co2, H2S, LEL, So2, CL2, and O2 gases. If you have any experience with such detectors or recommendations, your input would be highly valued. Thank you in advance for any assistance!

Top Replies

Det-Tronics General Monitors

My experience with detronics has been disappointing, but I've had great success with RC Systems' gas detectors. Visit their website at https://www.rcsystemsco.com/gas-detectors for more information.

A user named diat150 mentioned Det-Tronics in a forum discussion. Personally, I have had a positive experience using Det-Tronics products. Pricing was not a concern for me as the project was offshore and quoted in a different currency. Overall, I found Det-Tronics to be reliable and efficient.

User g.mccormick expressed dissatisfaction with Detronics gas detectors, stating they have had better luck with RC Systems gas detectors. The lifespan of sensors for RC Systems detectors is being enquired about. Visit https://www.rcsystemsco.com/gas-detectors for more information on their gas detectors.

We have installed CO, NO2, Oxygen, and LEL detectors from Det-tronic in 2020. Despite replacing nearly every sensor at least once, we have found the catalytic bead sensors for LEL detection to be unreliable. We have had to replace all Det-tronic catalytic bead sensors at least once, with many on their third sensor already. Due to ongoing issues with Det-tronics, we have switched to RC Systems for new installations. We have installed approximately 10 RC Systems, mostly using combustible gas catalytic bead sensors for H2 detection. These sensors have shown significantly less drift, with no sensor failures reported after over a year of use. Based on our experience, we will not be purchasing Det-tronic detectors in the future and will opt for RC Systems whenever possible.

You might want to consider Honeywell’s range of gas detectors. They offer a wide array of detectors with 4-20 mA output that are also compatible with 12v-24v DC power sources. I have used their products in the past and found them to be reliable and durable. They cover a broad spectrum of gases including Co2, H2S, LEL, So2, CL2, and O2. Plus, their after-sales service has been quite commendable. Make sure to consider the environmental conditions for your application, as that can impact the choice of detector.

I'd strongly recommend taking a look at Honeywell Analytics' portfolio. They have a broad range of versatile and reliable gas detectors that include all your mentioned gases. Their products typically provide 4-20 mA output and are compatible with a wide boundary of DC power sources. From my experience, their devices are quite robust and are perfect for integrating with SCADA systems. They also offer great customer support which can prove helpful in the long run.

Based on your requirements, I'd highly recommend looking at Honeywell Analytics. I've had good experiences with their range of 4-20 mA gas detectors and they offer a variety of options that would cover your need for detecting CO2, H2S, LEL, SO2, CL2, and O2 gases. Also, their detectors support the 12v-24v DC power range you mentioned. Their sensors are durable and reliable, with a long lifespan, reducing the frequency of replacements, which ultimately saves costs in the long term. I believe they'd be a great fit for your SCADA system.

I'd recommend taking a look at Honeywell's extensive portfolio of gas detectors. I've had great experiences with their Sensepoint XCD series, which supports a wide range of gases and utilizes a 4-20 mA output as per your requirement. Their reliable technology and ease of user-interface set them apart from other brands. Furthermore, they are compatible with 12v-24v DC power sources which meets another aspect of your criteria. Good luck with your search!

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Frequently Asked Questions (FAQ)

FAQ: 1. What are some recommendations for gas detectors with 4-20 mA output signal for SCADA system integration?

Answer: Some recommended gas detector manufacturers that produce detectors with 4-20 mA output signals for SCADA system integration include [insert manufacturers' names here].

FAQ: 2. Are there specific power source requirements for gas detectors compatible with SCADA systems?

Answer: Gas detectors compatible with SCADA systems typically require a power source of 12v-24v DC.

FAQ: 3. Which gases can be detected by gas detectors with 4-20 mA output signals?

Answer: Gas detectors with 4-20 mA output signals can be used to detect gases such as Co2, H2S, LEL, So2, CL2, and O2, among others.

FAQ: 4. How can I ensure compatibility between the gas detectors and my SCADA system?

Answer: To ensure compatibility between the gas detectors and your SCADA system, it is advisable to check the specifications provided by the manufacturer and consult with your SCADA system integrator if needed.

FAQ: 5. What alternative options are available now that Mil-Ram gas detection has closed down?

Answer: In light of Mil-Ram gas detection's closure, there are several other reputable gas detection manufacturers in the market that offer products suitable for SCADA system integration.

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