Key Features

• Long life, non-dispersive infrared refrigerant sensor
• Accurate, low level leak detection
• No cross interference from other non-refrigerant gases
• Modbus® RTU interface to connect to BAS/BMS systems
• On-board alarm relay
• Bright, alpha-numeric, LED display
• Visual and audible alarms
• User selectable Modbus® or analog output 4-20 mA, 0-5V, 1-5V, 0-10V, 2-10V

Specifications

Target Gas

Gas Sensors

R22, R32, R134A, R404A, R407A, R407C, R407F, R410A, R422A, R422D, R427A, R448A, R449A, R452A, R507, R513A, R514A, HFO1234YF, HFO1234ZE, HFO1233ZD

Mechanical

Enclosure

ABS, UL94V - 0 rated

Weight

181 g / 0.4 lbs

Size

102 x 140 x 38 mm / 4.0 x 5.5 x 1.5 inches

User Interface

Display

Green LED Power ON indicator, bright, alpha-numeric LED real-time display

Audible Alarm

Internal buzzer

Visual Alarm

Red 4-digit LED display

Alarm Delay

Selectable; 0 - 15 minutes

Fault Monitoring

Fault codes presented to user

Input/Output

Output

Analog Output: 4 - 20 mA; 0 - 5 V; 0 - 10 V; 1 - 5 V ; 2 - 10 V

Modbus® RS-485 RTU

Relay

One relay rated 1 A @ 24 VAC / VDC (0.5A, 125V AC UL rating)

Electrical

Power Requirement

24 VDC @ 0.15 A min

24 VAC, 5VA min @ 50 - 60 Hz, 2.5 W max

Wiring

Analog: 2-conductor 18 to 20 AWG stranded, shielded

Modbus: 18 to 20 AWG shielded, twisted pair with 120 ohm characteristic impedance

Environmental

Operating Temperature

-30°C to 40°C (-22°F to 104°F)

Operating Humidity

5 - 90% RH non-condensing

Certifications

Conforms to

CE, UL / CSA / IEC / EN 61010-1

RoHS compliant circuit boards

Target Gas

Gas Sensors

R22, R32, R134A, R404A, R407A, R407C, R407F, R410A, R422A, R422D, R427A, R448A, R449A, R452A, R507, R513A, R514A, HFO1234YF, HFO1234ZE, HFO1233ZD

Mechanical

Enclosure

ABS, UL94V - 0 rated

Weight

181 g / 0.4 lbs

Size

102 x 140 x 38 mm / 4.0 x 5.5 x 1.5 inches

User Interface

Display

Green LED Power ON indicator, bright, alpha-numeric LED real-time display

Audible Alarm

Internal buzzer

Visual Alarm

Red 4-digit LED display

Alarm Delay

Selectable; 0 - 15 minutes

Fault Monitoring

Fault codes presented to user

Input/Output

Output

Analog Output: 4 - 20 mA; 0 - 5 V; 0 - 10 V; 1 - 5 V ; 2 - 10 V

Modbus® RS-485 RTU

Relay

One relay rated 1 A @ 24 VAC / VDC (0.5A, 125V AC UL rating)

Electrical

Power Requirement

24 VDC @ 0.15 A min

24 VAC, 5VA min @ 50 - 60 Hz, 2.5 W max

Wiring

Analog: 2-conductor 18 to 20 AWG stranded, shielded

Modbus: 18 to 20 AWG shielded, twisted pair with 120 ohm characteristic impedance

Environmental

Operating Temperature

-30°C to 40°C (-22°F to 104°F)

Operating Humidity

5 - 90% RH non-condensing

Certifications

Conforms to

CE, UL / CSA / IEC / EN 61010-1

RoHS compliant circuit boards