Description
The System Sensor SENS-RDR i3 Series Sensitivity Reader is a handheld device designed to measure and display the sensitivity of i3 photoelectric smoke detectors. It provides direct percent-per-foot obscuration readings on an LCD display, ensuring detectors remain within their specified sensitivity range.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
System Sensor |
| Category |
Data Control System |
| Part Number |
SENS-RDR |
| Subcategory |
Data Logger |
| Display |
LCD with percent-per-foot obscuration sensitivity |
| Status Feedback |
GOOD, SERVICE, REPLACE text indicators |
| Indicators |
Dual LED and sounder |
| Interface |
Infrared optical link (automatic 10-second updates) |
| Operation Modes |
Handheld or threaded extension pole compatible |
| Power Supply |
Two AA alkaline batteries |
| Battery Features |
Low battery indicator, auto shut-off after 30 min |
| Operating Temp |
32°F to 120°F (0°C to 49°C) |
| Storage Temp |
5°F to 140°F (–15°C to 60°C) without batteries |
| Operating Humidity |
10 to 90% RH, non-condensing |
| Typical Response Time |
10 seconds per reading |
| Weight |
0.60 lbs |
Information About SENS-RDR
The SENS-RDR is a battery-powered sensitivity reader built for use with System Sensor’s i3 series photoelectric smoke detectors. It eliminates the need for voltage cross-referencing by decoding detector data directly and showing sensitivity and status values in real time. Designed for ease of use, the reader can be operated as a handheld device or attached to a threaded extension pole for out-of-reach detectors. Its dual LED and sounder indicators provide confirmation in various testing environments, making it a practical tool for fire safety maintenance professionals.
Key Features:
- Direct Sensitivity Display: Shows percent-per-foot obscuration values on the LCD screen.
- Status Indication: Provides alpha-numeric feedback (GOOD, SERVICE, REPLACE) for detector condition.
- Infrared Optical Interface: Reads data automatically from detectors every 10 seconds.
- Flexible Operation: Usable as a handheld device or with a threaded extension pole.
- Dual Indicators: LED and sounder alerts confirm readings in both noisy and low-visibility areas.
- Battery Powered: Operates with two AA alkaline batteries for portability.
- Battery Life Management: Low battery indicator and automatic 30-minute shut-off.
- Wide Environmental Range: Designed for operation between 32°F to 120°F (0°C to 49°C).
The SENS-RDR delivers the reliability and accuracy required for maintaining compliant smoke detector performance.