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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
#5 leading factory for Measuring & Gauging ToolsFull customizationQuality management certifiedAnnual export US $4,700,000Testing instruments (8)
Top picks

Product categories

Holykell Deep Well Anticlogging Liquid Water Pressure Level Sesnor 420ma
$69-129
Min. order 1 piece
Holykell Low Price Non Contact Ultrasonic Level Sensor for Water
$76.80-99
Min. order 1 piece
For Holykell Submersible Pressure Transducer Transmitter Sensor 4 20ma Hydraulic 250 Bar G1/4 1.2mpa
$35
Min. order 1 unit
2 sold
Holykell High Accuracy Liquid Water Sewage Ultrasonic BTU Flow Meter
$249-279
Min. order 1 piece
IOT Wireless Solution
All products
IOT Wireless Solution
certified
Holykell Lora Lorawan Underground Wireless Tank Level Monitoring
$280-415
Min. Order: 1 piece
1 sold
certified
Holykell GPRS IoT 4G Digital Wireless Lorawan Lora Pressure Gauge Data Logger
$280-415
Min. Order: 1 piece
certified
Holykell 4G Sim Card Wireless LoRa IoT Water Pressure Transducer Sensor
$280-415
Min. Order: 1 piece
certified
Holykell Intrinsically Safe Explosion Proof LCD Display Gprs 4g Wireless Lora Water Pressure Transmitter
$280-415
Min. Order: 1 piece
2 sold
certified
Holykell GPRS 4G LoRa IoT Long Range Fuel Water tank Wireless Level Sensor
$280-415
Min. Order: 1 piece
1 sold
certified
Holykell Remote Water Level Monitoring System Water tank Level Sensor with Phone App
$280-415
Min. Order: 1 piece
1 sold
certified
For Holykell Cost-Effective Lora GPRS 4G Wireless Pressure Transducer
$280-415
Min. Order: 1 piece
3 sold
certified
Holykell 4g Wif Lora Wireless Pressure Level Temperature Flow Data Logger RTU DTU
$278-306
Min. Order: 1 piece
2 recent viewed
certified
0-5V 4-20mA 24V 5V HK302 3 Channel TCP MQTT MODBUS RemoteTerminal Unit RTU
$208-222
Min. Order: 1 piece
2 sold
certified
Industrial-grade LoT Wireless Data Transmission HK301 TTL RS232 RS485 Wireless Terminal Device DTU Data Transfer Unit
$161-168
Min. Order: 1 piece
1 sold
Fast Delivery H2602 4G GPRS LoRa -50-250C Wireless IOT Temperature Sensor Transmitter
$305-415
Min. Order: 1 piece