Products

NEW

Safety Detection Products

Fixed Gas Controller (M-Bus)

Standard M-Bus communication interface, supports up to 32 ga...

SKU: OLK-GD-505

NEW

Safety Detection Products

Fixed Gas Controller (RS485)

Standard Modbus-RTU protocol, supports RS485 bus connection ...

SKU: OLK-GD-506

NEW

Safety Detection Products

Fixed Gas Controller (NB-IoT)

Built-in NB-IoT module, wireless cloud access, ultra-low pow...

SKU: OLK-GD-507

NEW

Safety Detection Products

Fixed Gas Controller (LED Display)

Industrial-grade LED display, visible up to 50m, tri-color s...

SKU: OLK-GD-508

NEW

Safety Detection Products

Fixed Gas Controller (Advanced)

Advanced gas controller supports IR remote control, sound-li...

SKU: OLK-GD-509

NEW

Safety Detection Products

Portable Gas Detector

Portable gas detector with imported electrochemical sensors,...

SKU: OLK-GD-510

NEW

Safety Detection Products

Portable Gas Detector (Pro)

Pro portable gas detector with pump-suction sampling, suitab...

SKU: OLK-GD-511

HOT

Safety Detection Products

Dust Concentration Detector

Laser scattering dust concentration detector with range 0-10...

SKU: OLK-GD-512

NEW

Metering Products

Ultrasonic Heat Meter (Standard)

Product Overview: The ultrasonic heat meter uses ultrasonic ...

SKU: OLK-UHM-S-NEW-01

NEW

Metering Products

Ultrasonic Balanced Heat Meter

Product Overview: The ultrasonic balanced heat meter integra...

SKU: OLK-UHM-B-NEW-01

NEW

Valve Control Products

Smart Regulating Valve

Product Overview: The smart regulating valve uses M-Bus/RS-4...

SKU: OLK-IRV-NEW-01

NEW

Valve Control Products

IoT Regulating Valve (Upgraded)

Product Overview: The upgraded IoT regulating valve uses a n...

SKU: OLK-IOV-NEW-01

NEW

Metering Products

New Ultrasonic Water Meter (Large Caliber)

Product Overview: The new large-caliber ultrasonic water met...

SKU: OLK-UWM-L-NEW-01

NEW

Metering Products

New Ultrasonic Water Meter (Standard)

Product Overview: The new standard ultrasonic water meter is...

SKU: OLK-UWM-S-NEW-01

NEW

Metering Products

New Ultrasonic Water Meter (Valve-controlled)

Product Overview: The new valve-controlled ultrasonic water ...

SKU: OLK-UWM-V-NEW-01

NEW

Metering Products

IoT Water Meter (NB-IoT)

Product Overview: The IoT NB-IoT water meter uses operator n...

SKU: OLK-WM-NB-NEW-01

NEW

Metering Products

IoT Water Meter (4G)

Product Overview: The IoT 4G water meter uses a 4G Cat.1 com...

SKU: OLK-WM-4G-NEW-01

NEW

Metering Products

Direct Drinking Water Meter

Product Overview: The direct drinking water meter is designe...

SKU: OLK-WM-DW-NEW-01

NEW

Sensing Products

Pipe Network Leak Monitoring System

Product Overview: The pipe network leak monitoring system de...

SKU: OLK-LEAK-NEW-01

NEW

Universal Sensors

Pressure Transmitter

Product Overview: The high-precision pressure transmitter us...

SKU: OLK-PT-NEW-01

NEW

Universal Pipe Network Devices

Smart Manhole Cover Monitor

Product Overview: The smart manhole cover monitor has a buil...

SKU: OLK-MC-NEW-01

NEW

Water Quality Products

CODcr Online Water Quality Analyzer

Product Overview: The CODcr online water quality analyzer us...

SKU: OLK-WQ-COD-NEW-01

NEW

Water Quality Products

Multi-parameter Online Water Quality Analyzer

Product Overview: The multi-parameter online water quality a...

SKU: OLK-WQ-MP-NEW-01

NEW

Water Quality Products

Total Phosphorus Online Water Quality Analyzer

Product Overview: The total phosphorus online water quality ...

SKU: OLK-WQ-TP-NEW-01