Senva TG0R-3B : Value Room Recessed R134A (Multi-Gas R407C, R404A, R22, R123) Refrigerant Sensor, 0-10 VDC Output, Relay, LED and Audible Alarms, Made in USA, 7-Year Warranty
## Enhanced Connectivity and Refrigerant Monitoring with the Senva TG0R-3B Recessed Sensor
Protect your indoor environment and streamline system integration with the Senva TG0R-3B, a multi-gas refrigerant sensor featuring a versatile 0-10 VDC output for effortless connection to building management systems and other control platforms. This reliable sensor offers:
Key Features:
- Multi-Gas Detection: Senses R134A, R407C, R404A, R22, and R123 refrigerants, with sensitivity to a broader range of refrigerants for comprehensive protection.
- Early Warning System: Audible buzzer and bright LED indicators alert you to refrigerant leaks, activating at 300ppm for 1 hour or 600ppm for 15 minutes.
- Flexible 0-10 VDC Output: Integrates seamlessly with building management systems, automation controllers, data loggers, and other devices for centralized monitoring, remote alerts, data analysis, and system control in response to refrigerant leaks.
- Made in the USA: Built with quality and reliability in mind, ensuring 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.
Invest in the Senva TG0R-3B and elevate your refrigerant leak detection capabilities with a sensor optimized for seamless integration and proactive safety measures.
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 | 0-10 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
