ISC-D118-T - Detector Dahua Technology - Free user manual and instructions
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| Product Type | Indoor Passive Infrared (PIR) Detector |
| Brand | Dahua Technology |
| Model | ISC-D118-T |
| Dimensions (H x W x D) | 110 mm x 65 mm x 50 mm |
| Weight | 95 g (without battery) |
| Power Supply | 3 V CR123A lithium battery |
| Battery Life | Up to 3 years (typical use) |
| Detection Range | 12 m (90° coverage angle) |
| Detection Principle | Passive infrared (PIR) |
| Alarm Output | Wireless; configurable via control panel |
| Frequency | 868 MHz (EU) / 915 MHz (US) |
| Operating Temperature | -10°C to +55°C |
| Humidity Range | 0% to 85% non-condensing |
| Installation Height | 2.0 m – 2.5 m recommended |
| Pet Immunity | Up to 25 kg (adjustable) |
| Tamper Protection | Cover tamper switch; wall tamper switch |
| LED Indicator | Red LED for alarm, green for low battery |
| Maintenance | Clean lens with dry cloth; replace battery when low |
| Safety Certifications | EN 50131 Grade 2, CE, FCC |
| Spare Parts & Repairability | Battery replaceable; full unit replacement recommended for faults |
| General Information | Compatible with Dahua alarm panels; wireless range up to 300 m open field |
Frequently Asked Questions - ISC-D118-T Dahua Technology
How do I install the ISC-D118-T detector?
Mount the detector at 2.0-2.5 m height on a wall, away from heat sources and sunlight. Use the provided screws and anchors. Pair it with your Dahua alarm panel following the panel's wireless enrollment procedure.
What battery does it use and how long does it last?
It uses a 3V CR123A lithium battery. Typical battery life is up to 3 years depending on usage and environmental conditions.
How do I replace the battery?
Open the detector by releasing the tamper tab. Remove the old CR123A battery and insert a new one, observing polarity. Close the detector and test the alarm.
Can the detector be used with pets?
Yes, the detector has pet immunity up to 25 kg. You can adjust the sensitivity setting on the detector or via the panel to reduce false alarms from small animals.
What does the LED indicator mean?
A red LED flash indicates an alarm event. A green LED flash (every 5 seconds) signals low battery. No LED in normal standby mode saves power.
How do I clean the detector?
Use a soft, dry cloth to gently wipe the lens and housing. Do not use solvents or water. Ensure no dirt or cobwebs cover the lens.
What is the detection range and angle?
The detector covers a range of up to 12 meters with a 90° horizontal detection angle.
How do I pair the detector with my alarm panel?
Put your alarm panel into enrollment mode. Then press the tamper switch on the detector for 5 seconds until the LED blinks rapidly. The panel will acknowledge the device. Refer to your panel manual for details.
What should I do if the detector triggers false alarms?
Check installation height, avoid pointing at windows or heat sources, reduce sensitivity, enable pet immunity if applicable, and ensure the lens is clean. Also verify the area has no HVAC vents or moving objects.
Is the detector weatherproof for outdoor use?
No, the ISC-D118-T is designed for indoor use only. It is not weatherproof; exposure to rain or extreme humidity may damage it.
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