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Transmitter ZD22 D

Product catalog summary

Overview: The ZD22 D Transmitter is designed for long-term monitoring of oxygen concentration using a zirconium dioxide electrochemical oxygen pump cell. It is insensitive to ambient conditions and sensor poisons, offering short response times.

Specifications: The transmitter complies with the European Functional Safety Standard DIN EN 61508-2: 2011, allowing for SIL2 in single-channel use and SIL3 in redundant use. It supports signal transmission via 4-20 mA or RS-485 interface (Modbus/RTU).

Display and Alarm: The ZD22 D features a compact, splash-proof, and dust-proof housing (IP54) with a 2.2" display for showing measured values and status information. It includes visual and acoustic alarms for alerting in case of anomalies.

Reliability and Cost Efficiency: The transmitter's electronics ensure voltage stabilization and accurate measurement with built-in temperature compensation. Long-life sensors reduce operating costs.

Variants: The ZD22 is available in a basic version and a variant with a display and acoustic alarm. Both are suitable for long-term oxygen monitoring when used with GfG's controllers.

Technical Data:

Measuring principle: Zirconium dioxide
Temperature range: -20 to +50 °C
Humidity: 5 to 90% r.h.
Air pressure: 80 to 120 kPa
Output signal: Analog (0.2-1 mA or 4-20 mA), Digital (RS-485)
Power supply: 12 to 30 V DC
Protection class: IP54
Dimensions: 96 x 141 x 49 mm
Weight: 220 g

Measuring Ranges and SIL: The document provides an overview of available measuring ranges and their corresponding SIL levels, ensuring flexibility for different applications.

Catalog excerpts

Fixed Gas Detection Systems ZD22 D Transmitter with display and horn Long-term monitoring of oxygen

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ZD22 D Transmitter with display and hornLong-term monitoring of oxygen Overview of available measuring ranges and SIL: The ZD22 D was developed especially for long-term monitoring of the oxygen concentration. The ZD22 D uses a sensor based on a zirconium dioxide (ZD) electrochemical oxygen pump cell. Selectively for oxygen, the ZD sensor is insensitive to ambient conditions as well as sensor poisons and convinces at the same time with very short response times. The hardware of the ZD22 D complies with the European Functional Safety Standard DIN EN 61508-2: 2011*. Thus, hardware SIL2 is possible...

Open the catalog to page 2

Transmitter ZD22 D

Transmitter ZD22 D

Catalog excerpts

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