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Data Loggers

The Best Data Loggers Manufacture!

Established in 2016, PH Tool and Test Equipment Inc, We rent electronic test and measurement equipment. We also sell test equipment. We also have an in-house repair lab or offer a trade-in program.

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Data loggers Advantages

01.

Accuracy

Data loggers provide accurate and reliable data, as they record data continuously over time and eliminate human error.

02.

Cost-effective

Data loggers are cost-effective, require minimal maintenance, and can be used for long periods.

03.

Ease of Use

Data loggers are easy to use, as they require minimal setup and can be programmed to record data automatically.

04.

Versatility

Data loggers can be used in various applications, from environmental monitoring to industrial automation.

Data Logger Technical Specifications

Casing	Polycabornate, watertight to IP68 Humidity loggers splash proof from top
Size	65 × 31 × 106 mm
Weight	115 g
Ambient	-40 + 85 °C
Battery	1 × ½AA, 3.6V
	T-TEC 6: Expected battery life: 3-4 years
	T-TEC 7: Expected battery life: 2 years, Low battery warning on display
Sensor (see sensor specifications)	Temperature: Precision Thermistor or Pt100
Sensor (see sensor specifications)	Humidity: Capacitive precision
Memory	E model: 12,000 to 25,000 sets of measurements
	C model: 10,600 sets each sensor
	F model: 10,600 sets each sensor (21,200 if only one)
	A & P: 20,000 to 60,000 sets of measurements
Interface	Special interface cable to serial port and/or special interface cable to USB Port
Security ID	Permanent serial number
Warranty	1 Year (not incl. sensor)
Resolution	Temperature: Better than 0.1 °C (see sensor specifications)
Resolution	Humidity: Better than 0.1%RH

Block diagram of a Data Logger

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Data loggers are used for the following

Comprehensive tunnel monitoring for the long-term safety of the tunnel, to study the behavior of the tunnel over time, especially concerning the rheological behavior of the rock mass and obvious changes in the fault zones, walled sections, inflow, etc.

Several instruments such as tilt meters, strain gauges, extensometers, etc. are installed on the inner lining of the tunnels to monitor deformities if any. The data from these sensors is continuously logged by a data logger and stored in its internal memory.

Structural health monitoring of existing buildings to keep track of the building’s performance over time and the effect of nearby construction or excavation. Data loggers create an early warning in case of an emergency so that the user can take preventive measures.

Landslide monitoring to avoid mishaps and create early warnings so that loss of life and property can be prevented.

Groundwater monitoring and rainfall management so that the most important freshwater resource can be saved from depleting and there’s an even distribution of the resource among all.

Monitoring the deformation of land and surrounding areas during deep excavations. Excavation in soft ground induces ground movement which imposes a threat to nearby sensitive structures in the zone of influence. Hence, deep excavation risk assessment and foundation crack monitoring are crucial at all levels.

Monitoring of deformities in bridges so that early warning can be generated in case of an emergency

Unattended dam and nuclear power plant monitoring to avoid fatal accidents. Data loggers log data from different sensors and send it to the user’s remote device.

Unattended weather changing parameters recording through weather stations to aid in agricultural activities.

Monitoring of relay status in railway signaling

Types of Data Loggers

Standalone Data Loggers

These are portable devices with built-in sensors and storage. They are often used for environmental monitoring and can be easily deployed in various locations.

01

Wireless Data Loggers

These loggers transmit data in real-time to a central system via wireless communication protocols like Wi-Fi, Bluetooth, or cellular networks. They are ideal for applications requiring immediate data access and analysis.

02

USB Data Loggers

Compact and easy to use, USB data loggers store data internally and can be connected to a computer for data retrieval. They are commonly used for simple monitoring tasks.

03

Networked Data Loggers

These are integrated into larger network systems and can communicate with other devices and central databases. They are used in complex industrial environments where data from multiple sources needs to be aggregated and analyzed.

04

Web Based Data Loggers

These devices upload data directly to cloud platforms, enabling remote access and real-time monitoring from anywhere with internet connectivity.

05

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FAQ

Q: How does a data logger work?

A: A data logger is a device used to record data over time. It typically consists of a sensor that measures a particular attribute of the environment, such as temperature, and a recording device, such as a microprocessor or chart recorder, to store the data. The data logger can be configured to start and stop recording at preset times or under certain conditions, such as when a particular value is reached.

Q: How long can data loggers record?

A: Most data loggers have a built-in memory that can store data for a certain amount of time, usually anywhere from a few days to a few months.some data loggers can be connected to a computer or other device that can store the data indefinitely.some data loggers can be set to erase the data after a certain amount of time has passed, so that it can be used again.

Q: How do I start a data logger?

A: Start recording: Set up the data logger and start measuring.
Data collection: Data is collected according to the selected sampling interval and channel settings.
Stop recording: Stop the data logger's recording at the end of the measurement.

Q: How to add a data logger?

A: Step 1：Find the communication interface on the inverter and unscrew the protective cap；
Step 2：Insert the data logger along the interface guide slot；
Step 3：Tighten the fastening nut clockwise.

Q: How long do data loggers last?

A: Some data loggers have a battery life of a few months, while others can last up to several years. This longevity depends on the frequency of data collection and transmission, the type of wireless technology used and the size of the battery.

Q: How are data loggers calibrated?

A: There are two main methods for data logger calibration: field calibration and laboratory calibration. Field calibration is done on-site using portable equipment and reference standards. It is convenient and cost-effective, but it may not be as accurate or reliable as laboratory calibration.

Q: What is the uncertainty of a data logger?

A: The data logger measurement uncertainty is calculated using a statistical approach, with a combination of quadratic summation and reporting the final value at a 95% confidence level with a Gaussian distribution.

Q: What is the resolution of a data logger?

A: Resolution refers to what degree the sensor or data logger can detect and display a change.

Q: What are the components of a data logger?

A: Data loggers usually appear like small boxes enclosing batteries for power supply, microprocessors, internal memory storage, sensors, and a programmable module.

As one of the leading data loggers manufacturers and suppliers in China, we warmly welcome you to buy high-grade data loggers in stock here from our factory. All our products are with high quality and competitive price. For more information, contact us now.

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