Honeywell|05701-A-0302|Analytics Single Channel Control Card

【Product Overview】

The Honeywell 05701-A-0302 is a single-channel control card for the System 57 gas detection rack. It is designed to work with catalytic bead sensors to monitor explosive gas levels. Many buyers search for this as a Honeywell DCS module or Honeywell 05701-A-0302 purchase. Its main job is to keep industrial sites safe from fire and explosions. As a global 05701-A-0302 supplier, we keep this item in stock for fast delivery.

【Technical Operating Principle】

The 05701-A-0302 works through a professional technical loop:

1. Sensor Power: The card sends a steady electric current to the gas sensor in the field.

2. Detection: When gas touches the sensor, it changes the electrical resistance (Wheatstone Bridge). The card detects this change immediately.

3. Display: The card converts the signal into a number (0-100% LEL) and shows it on the LED bar graph on the front panel.

4. Alarm Action: If gas levels are too high, the card's relays automatically turn on alarms or stop machines to prevent accidents.

【Selection & Comparison Advice】

When you Buy 05701-A-0302, it is important to choose the right model for your system. Here is our expert guide:

• Model 05701-A-0302 (Standard): The most common card for flammable gas (3-wire sensors).

• Models 05701-A-0351 / 05701-A-0361: These have different alarm delay settings. Use these only if your old card has the exact same number.

• Model 05701-A-0502: A special version with extra self-test features. We provide Compatibility Confirmation if you are not sure which one to use.

• Model 05704-A-0121: Use this for Toxic Gas or Oxygen. Do NOT use 05701 for Toxic gas.

【Product Core Advantages】

• Independent Safety: Every channel card works on its own. If one card fails, the other channels still keep the factory safe.

• Save Space: You can fit up to 63 cards in one rack, perfect for Refinery control system spare needs.

• Original Quality: This is an OEM original control module. It meets high international safety standards (ATEX/SIL).

• Easy to Read: The bright LED display helps engineers see gas levels and errors quickly.

【Application Scenarios】

• Oil & Gas Refineries: Monitoring methane and hydrogen leaks.

• Chemical Plants: Essential Honeywell spare part for volatile chemical storage.

• Power Stations: Checking for hydrogen gas leaks in cooling systems.

【FAQ for Middlemen & Traders】

Q: Is the 05701-A-0302 a hazardous item for shipping?

A: No. It is a standard electronic part. We provide Global shipping for Honeywell parts without extra hazardous fees.

Q: My client has a DCS system. Is this part compatible?

A: Yes. Usually, this card detects gas and sends a signal to the Honeywell DCS module. We can help you check the connection.

Q: Do I need an "Engineering Card" (05701-A-0325)?

A: Yes, you need one Engineering Card to set up the 0302 cards. We suggest you buy one as a spare for your client.

Q: How long is the delivery time?

A: We have 05701-A-0302 in stock. We can usually ship within 1-2 days after payment.

【Procurement & Support】

• Safe Logistics: We use professional anti-static packaging and International logistics for safe delivery.

• Technical Help: We can Assist clients in providing the datasheet and wiring diagrams.

• Best Price: We offer competitive prices for bulk Honeywell 05701-A-0302 purchase orders.

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Core System Specifications:

Logistics&Shipping Info(For Buyer):

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