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Holykell Technology Company Limited
Custom Manufacturer
15yrs
Hunan, China
Main categories: Pressure Sensor/Level Sensor/Flow Meter/Temperature Sensor, Display Controller
#9 leading factory for Measuring & Gauging ToolsFull customizationQuality management certifiedAnnual export US $4,700,000Testing instruments (8)
Top picks

Product categories

4-20ma Stainless Steel Groundwater Analog Hydraulic Water Sump Cheap Liquid Hydrostatic Level Meter Sensor System for Tank
$79-129
Min. order 1 piece
1 sold
Adjustable Response Time Oil Hvac Air Liquid Fuel Tank Low Digital Pressure on Off Control Controller Switch
$111
Min. order 5 pieces
Holykell IP68 4-20mA ATEX Fuel tank Level Sensors
$85-129
Min. order 1 piece
Holykell Factory UE3006 RS485 0-2M Ultrasonic Water Diesel Level Sensor
$215-235
Min. order 1 piece
6 sold
IOT Wireless Solution
All products
IOT Wireless Solution
Holykell Lora Lorawan Underground Wireless Tank Level Monitoring
$280-415
Min. Order: 1 piece
1 sold
Holykell GPRS IoT 4G Digital Wireless Lorawan Lora Pressure Gauge Data Logger
$280-415
Min. Order: 1 piece
Holykell 4G Sim Card Wireless LoRa IoT Water Pressure Transducer Sensor
$280-415
Min. Order: 1 piece
Holykell Intrinsically Safe Explosion Proof LCD Display Gprs 4g Wireless Lora Water Pressure Transmitter
$280-415
Min. Order: 1 piece
2 sold
Holykell GPRS 4G LoRa IoT Long Range Fuel Water tank Wireless Level Sensor
$280-415
Min. Order: 1 piece
1 sold
Holykell Remote Water Level Monitoring System Water tank Level Sensor with Phone App
$280-415
Min. Order: 1 piece
1 sold
For Holykell Cost-Effective Lora GPRS 4G Wireless Pressure Transducer
$280-415
Min. Order: 1 piece
3 sold
Holykell 4g Wif Lora Wireless Pressure Level Temperature Flow Data Logger RTU DTU
$278-306
Min. Order: 1 piece
0-5V 4-20mA 24V 5V HK302 3 Channel TCP MQTT MODBUS RemoteTerminal Unit RTU
$208-222
Min. Order: 1 piece
1 sold
Industrial-grade LoT Wireless Data Transmission HK301 TTL RS232 RS485 Wireless Terminal Device DTU Data Transfer Unit
$161-168
Min. Order: 1 piece
2 recent viewed
Fast Delivery H2602 4G GPRS LoRa -50-250C Wireless IOT Temperature Sensor Transmitter
$305-415
Min. Order: 1 piece