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Precision Environmental Monitoring Solutions

HAIRUIS Instruments designs and manufactures advanced data loggers for temperature, humidity, air pressure, CO2, voltage, current, and coating thickness. Trusted globally for accuracy, reliability, and real-time monitoring.

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About HAIRUIS Instruments

HAIRUIS INSTRUMENTS Co., Ltd is a product designer and manufacturer located in Shenzhen City, China, specializing in environmental and electronic instruments such as USB temperature humidity data loggers, GSM/GPRS and WiFi real-time monitoring systems, air pressure and temperature loggers, PT100/PT1000 RTD sensors, multi-channel thermocouple data loggers, mA/voltage data loggers, and coating thickness gauges.

All HAIRUIS instruments are designed and developed by a highly qualified and experienced engineering team with in-house hardware and software development capabilities. As one of the leading manufacturers in the industry, we are committed to delivering top-tier, practical sensor and measurement technologies to clients worldwide.

  • In-house R&D and manufacturing
  • Global distribution and support
  • OEM/ODM services available
HAIRUIS R90-FC-U Thermocouple Logger

Our Product Range

From compact USB loggers to industrial-grade real-time monitoring systems, HAIRUIS offers a comprehensive portfolio of precision instruments for diverse environmental and industrial applications.

R90TH-W WiFi Logger

R90TH-W WiFi Logger

Real-time temperature & humidity monitoring via WiFi with remote access and alarm alerts.

  • ✔ Real-time multi-point monitoring
  • ✔ Web-based data access
  • ✔ Alarm notifications
DWL-20 Data Logger

DWL-20 Sound & Light Alarm Logger

Features large LCD display with audible and visual alarms for out-of-range conditions.

  • ✔ Large LCD display
  • ✔ Sound & light alarm
  • ✔ High accuracy
R90EX-G GSM Logger

R90EX-G GSM/GPRS Logger

Sends SMS alerts when thresholds are exceeded. Ideal for remote monitoring.

  • ✔ SMS alarm system
  • ✔ External probe support
  • ✔ SIM card enabled
R90-FC-U Thermocouple Logger

R90-FC-U 4-Channel Thermocouple Logger

Compact, portable, and accurate for multi-point temperature measurement.

  • ✔ 4-channel input
  • ✔ Supports K, J, T, E types
  • ✔ USB interface
YEM-70L Logger

YEM-70L Air Pressure Logger

Monitors temperature, humidity, CO2, and air pressure with large display.

  • ✔ Large LCD display
  • ✔ Multi-parameter sensing
  • ✔ Industrial-grade
YET-710 RTD Thermometer

YET-710 PT100/PT1000 Thermometer

Wide range from -200°C to +800°C. Ideal for industrial and lab use.

  • ✔ -200°C to +800°C range
  • ✔ High precision RTD
  • ✔ Dual probe support
STR823 Large Display

STR823 LED Large Display

Ideal for clean rooms, labs, and warehouses where visibility is critical.

  • ✔ High-brightness LED
  • ✔ Remote sensor option
  • ✔ Wall-mountable
EC-770 Coating Gauge

EC-770 Coating Thickness Gauge

Non-destructive measurement of paint, enamel, chrome on steel and other metals.

  • ✔ Magnetic substrate compatible
  • ✔ Digital precision
  • ✔ Portable design
SSN-22 USB Logger

SSN-22 USB Temperature Logger

Stores up to 32,000 readings. Simple plug-and-play with PC.

  • ✔ 32,000 reading capacity
  • ✔ -35°C to 80°C range
  • ✔ USB interface
Web Real-time Monitoring System

Web Real-time Monitoring System

Centralized cloud-based platform for monitoring multiple devices globally.

  • ✔ Cloud dashboard
  • ✔ Multi-user access
  • ✔ Data export & reports

Why Choose HAIRUIS?

We combine cutting-edge technology, rigorous quality control, and customer-focused innovation to deliver instruments you can trust.

High Accuracy

All instruments calibrated to ensure precise and reliable measurements in critical environments.

In-House R&D

Full control over hardware and software development ensures innovation and rapid customization.

Global Support

Serving customers in over 50 countries with responsive technical and sales support.

OEM/ODM Services

Custom branding, firmware, and hardware modifications available for bulk orders.

15+
Years in Industry
50+
Countries Served
100K+
Units Shipped
99.8%
Customer Satisfaction

Frequently Asked Questions

Do you offer OEM/ODM services?

Yes, HAIRUIS offers professional OEM and ODM services. We can customize branding, packaging, firmware, and hardware based on your requirements.

What is the delivery time for orders?

Sample orders are shipped within 3-5 business days. Bulk production typically takes 15-25 days depending on quantity and customization.

Can I access data remotely?

Yes, our WiFi, GSM/GPRS, and web-based monitoring systems allow real-time remote access via smartphone, tablet, or PC.

What kind of technical support do you provide?

We offer comprehensive technical support via email, phone, WhatsApp, and WeChat. Our team responds within 24 hours.

Get in Touch

Have questions about our products or need a custom solution? Reach out to our team for expert assistance.

Contact Information

  • 📧 [email protected]
  • 📧 [email protected]
  • 📧 [email protected]
  • 📞 +86-15112433016 (Mobile/WhatsApp/WeChat)
  • 📞 +86-18008477667
  • 📞 +86-755-29977185 (Tel)
  • 📠 +86-755-61520769 (Fax)
  • 🏢 4/F, Yongqi Building A, Yintian Industrial Park, Xixiang Street, Banao Area, Shenzhen China, 518102

Connect With Us

Follow HAIRUIS on social media for product updates, industry news, and technical tips.

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QQ: 1908987371
WeChat ID: 8615112433016

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