Senva TG0R-4B : Value Room Recessed R410A Refrigerant Sensor, 0-10 VDC Output, Relay, LED and Audible Alarms, Made in USA, 7-Year Warranty
Enhanced R410A Monitoring and Control with the Senva TG0R-4B: Optimize Performance and Safety
Elevate your R410A refrigerant leak detection and response capabilities with the Senva TG0R-4B, a dedicated sensor featuring an advanced 0-10 VDC output for comprehensive control and real-time insights. This high-value option offers:
Key Features:
- Dedicated 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 0-10 VDC Output: Integrates seamlessly with building management systems, data loggers, and automation controllers for centralized monitoring, remote alerts, data analysis, and precise control of ventilation, economizer systems, or other equipment in response to R410A leaks.
- Relay Output for Direct Action: Triggers ventilation systems, exhaust fans, or other equipment directly upon detecting leaks, minimizing risk and expediting mitigation.
- 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:
- Large apartment buildings
- Commercial office complexes
- Restaurants with extensive refrigeration systems
- Retail stores with multiple cooling units
Invest in the Senva TG0R-4B and gain superior control over your R410A systems, optimizing performance, minimizing leaks, and ensuring the safety of your occupants and equipment.
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
