Senva TG0R-4A : Value Room Recessed R410A Refrigerant Sensor, 0-5 VDC Output, Relay, LED and Audible Alarms, Made in USA, 7-Year Warranty
R410A Detection with the Senva TG0R-4A: Dedicated Protection for Your Indoor Environment
Safeguard your space from the specific risks of R410A leaks with the Senva TG0R-4A, a dedicated refrigerant sensor designed for precise detection and proactive response. This value-packed option offers:
Key Features:
- Targeted R410A Focus: Calibrated specifically for R410A, ensuring accurate monitoring and eliminating false alarms from other refrigerants.
- Early Warning System: Audible buzzer and bright LED indicators alert you to leaks promptly, activating at 300ppm for 1 hour or 600ppm for 15 minutes.
- Versatile 0-5 VDC Output: Integrates seamlessly with building management systems or other control platforms for centralized monitoring, remote alerts, and automation of ventilation or economizer control.
- Made in the USA: Built with quality and reliability in mind, providing dependable protection for your space.
- Long-Lasting Performance: Sensor element boasts a 10-year life expectancy and the device itself functions for over 7 years with bi-annual calibration.
- Easy Installation: Fits seamlessly in standard single gang boxes for quick and hassle-free setup.
Ideal for spaces using R410A refrigerant systems, such as:
- Apartment buildings
- Office complexes
- Restaurants
- Retail stores
Invest in the Senva TG0R-4A and gain peace of mind knowing your R410A systems are actively monitored and protected against potential leaks.
Applications
- Alert occupants of elevated gas levels
- Ventillation control
- Economizer control
Features
- Relay output for alarm indication
- Audible buzzer for local alarm
- Buzzer test button for safety checks
- End-of-life indication for sensor element
- 10 year life expectancy on elements
- Fits easily in standard single gang boxes
Specifications
| Power Supply | 12-30VDC/24VAC(1), 24mA max |
| Analog outputs | 0-5 VDC Output |
| Refrigerant output scaling | 0-1000ppm |
| Alarm Relay | |
| Relay characteristics | N.C. 1A@24/30VDC (50/60Hz) (no mains connection) |
| Refrigerant alarm setpoint | Activates above 300ppm |
| LEDs | |
| LED indicator Refrigerant | 1 long blink above 300PPM, 1 short blink above 600 ppm |
| End-of-life Indicator | 3 blinks at 30s intervals |
| Audible Alarm | |
| Audible Buzzer Refrigerant | Activates above 300ppm for 1 hour or 600 ppm for 15 min |
| Buzzer level | 82 dB |
| Alarm Test | Hidden button provided for buzzer test |
| Refrigerant Sensor Performance | |
| Type | MOS |
| Resolution | 1ppm |
| Life expectancy | >10 years (typical life expectancy of MOS sensors) |
| Calibration | Calibrated to selected refrigerant |
| Sensitivity of R134A Calibrated device | @300ppm test gas: 450ppm R410A, 425 ppm R407C, 400ppm R404A, 370ppm R22, 300ppm R134A |
| Other detectable gases | R407A, R407F, R427A, R452B, R507, R448A, R449A, R422A, R422D, R452A, R513A, R514A, R32 |
| Coverage Area | 5000-7500 square feet |
| Calibration Interval | 6 months, hold test button for 10s to enter cal mode |
| Operating Environment | |
| Humidity | 15-95% continuous, 0-95% intermittent |
| Max Elevation | 2000m |
| Enclosure | |
| Dimensions | 4.45”h x 2.7”w x 0.5”d (depth measured from wall) |
| Unit Temp Rating | -4 to 122oF (-20 to 50oC) |
Datasheets
 | Senva TG0R Value Recessed CO Refrigerant Sensor Datasheet |
| Senva TG0R Installation Instructions |
| Understanding Cross-Sensitivities |
| Buy America Act Certification |
| R134A Refrigerant Cross-Sensitivity |
- Enclosure Style:
- Wall
- Gas Element:
- Refrigerant
- Analog Output:
- 1
- Relay Output:
- 1 SPDT
- Communication:
- None
- Display:
- None
