SEMARS - Sensors

Industrial Sensors for Intelligent Monitoring & Automation

Caliberated IoT sensors covering, temperature, air quality, energy, soil, water, vibration, gas and more

Smart Sensors for Real-Time Monitoring

A comprehensive sensor catalog spanning wired (Modbus / RS-485 / 4-20 mA) and wireless (LoRaWAN / NB-IoT) variants. Every sensor is factory-tested and used across SEMARS DCIM, Smart Farm, Tower, BMS and Smart City deployments

Real-Time Monitoring

Continuous visibility into critical operational parameters.

Industrial-Grade Reliability

Designed for demanding industrial and infrastructure environments.

Seamless Platform Integration

Compatible with IoT, DCIM, BMS, SCADA and monitoring platforms.

Multi-Protocol Connectivity

Supports both wired and wireless communication technologies.

Scalable Deployment

Suitable for single-site and enterprise-wide implementations.

Versatile Applications

Designed to support smart cities, utilities, agriculture, data centres, industrial facilities, and critical infrastructure.

Integrated Solutions Tailored for Industrial Success

Sensors - Product Suite

Temperature & Humidity

Energy Meter

Smoke & Gas

SEMARS Temperature Sensor

Compact AM2302-based Modbus RTU sensor for tight spaces — HVAC ducts, enclosures, control panels.

Key Specifications:

  • Protocol: Modbus RTU
  • Chipset: AM2302 digital sensor
  • Power: 10–30 VDC
  • 28 × 12 × 10 mm
  • Mount: Wall Mounting

SEMARS i-Meter

Single/multi-phase DIN rail energy meter for sub-metering and billing in buildings and factories.

Key Specifications:

  • Protocol: Modbus over RS-485
  • Frequency: 45–65 Hz
  • Power: 230VAC or 20–60VDC
  • Min ID 25mm / Max 100 × 100 mm
  • Mount: DIN Rail

SEMARS Smoke Sensor

Photoelectric ceiling-mount smoke detector for addressable fire detection systems.

Key Specifications:

  • Protocol: Modbus over RS-485
  • Frequency: 45–65 Hz
  • Power: 230VAC or 20–60VDC
  • Min ID 25mm / Max 100 × 100 mm
  • Mount: DIN Rail

Video & Security

Doors & Access

Motion & Security

SEMARS IP Camera

Industrial IP surveillance camera

Key Specifications:

  • Power: 12V DC
  • Alarm Output: N.C. Contact
  • Operating Temp: 0°C to 55°C
  • Housing: High-Impact ABS
  • Mount: Surface Mount

SEMARS Door Lock Sensor

Normally-closed wired door contact for frame and leaf mounting in secure enclosures.

Key Specifications:

  • Output: Normally Closed (NC)
  • Power: 12 VDC
  • Mount: Door frame / door leaf

SEMARS Motion Sensor

Multi-function motion sensor with reed switch, shock sensor and roller shutter detection.

Key Specifications:

  • Power: 12V DC
  • Alarm Output: N.C. Contact
  • Operating Temp: 0°C to 55°C
  • Housing: High-Impact ABS
  • Dimensions: 110 × 35 × 25 mm
  • Mount: Surface Mount

Water Quality

SEMARS Water Quality Temperature Sensor

Water quality temperature monitoring sensor.

Key Specifications:

  • Measurement: Water Temperature
  • Sensor Type: PT100 Thermal Element
  • Connectivity: NB-IoT / LoRaWAN
  • Supports Pressurized Pipelines
  • Fast Response Time
  • Enclosure: IP65 / IP67

SEMARS Residual Chlorine Sensor

Residual chlorine monitoring sensor.

Key Specifications:

  • Measurement: Free & Total Residual Chlorine
  • Connectivity: NB-IoT / LoRaWAN
  • Response Time: < 90 sec
  • Self-Cleaning Electrode
  • Enclosure: IP65 / IP67
  • Real-Time Monitoring

SEMARS Dissolved Oxygen Sensor

Dissolved oxygen monitoring sensor.

Key Specifications:

  • Measurement: Dissolved Oxygen (DO)
  • Electrochemical Sensing Technology
  • Connectivity: NB-IoT / LoRaWAN
  • Automatic Temperature Compensation
  • Solid-State Reference Chamber
  • Real-Time Monitoring

Leak Detection

SEMARS Leak Sensor

Potential-free contact output leak sensor for floor mounting in cabinets, shelters and server rooms.

Key Specifications:

  • Output: Potential-Free Contact
  • Power: 6–24V DC
  • IP67 · 64 × 15.6 × 12.7 mm
  • Power: 6–24V DC
  • Mount: Floor (cabinet / shelter)

SEMARS Water Leakage Sensor

Wireless water leakage detection sensor.

Key Specifications:

  • Detection: Water Leakage & Immersion
  • Connectivity: NB-IoT
  • Protocols: MQTT / TCP / UDP / CoAP
  • Battery Life: Up to 10 Years
  • Enclosure: IP67
  • Cloud-Based Monitoring

Core Features Across
SEMARS Sensors

Available in both wired and wireless communication variants.

Supports industry-standard protocols including Modbus, RS-485, and 4–20 mA.

Wireless connectivity options including LoRaWAN and NB-IoT.

Factory-tested for industrial and mission-critical deployments.

Seamless integration with monitoring, automation, and management platforms.

Comprehensive portfolio covering environmental, industrial, safety, and utility monitoring applications.

High accuracy and reliable real-time data acquisition.

Contact us

Partner with Us for Comprehensive Solution

We’re happy to answer any questions you may have and help you determine which of our services best fit your needs.

Your benefits:
What happens next?
1

We Schedule a call at your convenience 

2

We do a discovery and consulting meeting 

3

We prepare a proposal 

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What we do

Solving Complex Technology challenges in every industry

Factories
Telecom
Electric Power
Datacenters
Construction
Oil & Gas