SD-991A-D1Q - Alarm Seco-Larm - Free user manual and instructions
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| Product Type | Wireless Door/Window Alarm |
| Brand | Seco-Larm |
| Model | SD-991A-D1Q |
| Dimensions (Sensor) | 1.5 x 0.8 x 0.6 in (38 x 20 x 15 mm) |
| Dimensions (Magnet) | 0.5 x 0.5 x 0.4 in (12 x 12 x 10 mm) |
| Weight (Sensor) | 0.5 oz (14 g) |
| Power Supply | 3V CR2032 Lithium Battery |
| Battery Life | Up to 1 year (typical use) |
| Transmission Range | 300 ft (90 m) open space |
| Sound Level | 100 dB at 1 ft |
| Operating Modes | Instant Alarm, Delay Alarm, Chime Mode |
| Low Battery Indicator | Yes |
| Tamper Protection | Scheduled tamper alert |
| Installation | Double-sided tape or screws included |
| Compatible Surfaces | Wood, metal, glass, plastic |
| Operating Temperature | 14°F to 122°F (-10°C to 50°C) |
| Humidity | Up to 85% non-condensing |
| Certifications | FCC, RoHS |
| Included Accessories | 1 sensor, 1 magnet, mounting tape/screws, battery |
| Maintenance | Replace battery when low; clean with dry cloth |
Frequently Asked Questions - SD-991A-D1Q Seco-Larm
How do I install the Seco-Larm SD-991A-D1Q alarm?
Installation is simple: use the included double-sided tape or screws to mount the sensor on the door/window frame and the magnet on the moving part. Ensure the alignment marks are within 0.5 inches for proper operation.
What type of battery does it use and how long does it last?
It uses a 3V CR2032 lithium coin battery. Under normal use, the battery lasts up to 1 year. When the low battery indicator chirps, replace the battery promptly.
Can I adjust the alarm delay time?
Yes, you can set the alarm to instant, delayed (to allow entry/exit), or chime mode. The delay is typically 15 seconds for entry and 30 seconds for exit.
How loud is the alarm?
The alarm sound reaches 100 dB at 1 foot, which is sufficient to deter intruders and alert occupants.
What is the wireless range of the SD-991A-D1Q?
The effective transmission range is up to 300 feet in open space. Walls and metal objects can reduce the range.
Is this alarm weatherproof?
No, the SD-991A-D1Q is designed for indoor use only. Avoid exposing it to rain or direct moisture.
How do I test if the alarm is working?
Separate the sensor from the magnet while the unit is in alarm mode. A loud alarm should sound. To test the chime mode, separate them while in chime mode; you'll hear a brief tone.
Can multiple alarms be used together?
Yes, you can install multiple SD-991A-D1Q units in different locations. Each operates independently with its own battery.
What should I do if the alarm chirps intermittently?
Intermittent chirping usually indicates a low battery. Replace the CR2032 battery. If chirping continues, check for sensor/magnet misalignment or tampering.
Does the alarm include a tamper switch?
Yes, the sensor has a tamper protection feature that triggers the alarm if someone tries to remove it from the mounting surface.
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USER MANUAL SD-991A-D1Q Seco-Larm
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Product information
Brand : Seco-Larm
Model : SD-991A-D1Q
Category : Alarm