TTL Data Loggers and Data Recorders
Last Updated: January 31, 2025
Description
TTL Data Loggers and Data Recorders are electronic devices designed to collect and store data from various physical measurement sensors. These devices capture parameters such as temperature, humidity, current, and voltage, converting them into a digital format for storage or transmission. They can handle a wide range of signal and sensor inputs, making them versatile tools for data acquisition.
Working Principle
TTL Data Loggers operate by independently collecting data from sensors without the need for a PC or computer system. They typically have a sample rate of once per second or slower and are often battery-operated, though some models may use direct DC power. These devices may come with fixed input types or universal inputs, allowing users to attach different sensor types. The data collected is processed and can be transmitted for further analysis, making these loggers useful for continuous monitoring and data recording.
Applications
TTL Data Loggers are used in various applications, including:
- Monitoring temperature in climate chambers and test stands.
- Profiling oven temperatures in industrial settings.
- Measuring voltage and current in electrical equipment like motors and turbines.
- Recording environmental parameters in research and development projects.
Advantages over other Data Loggers and Data Recorders
TTL Data Loggers offer several advantages, such as:
- Reliability and accuracy over manual measurements, reducing the need for personnel to manually record data.
- The ability to transmit alarms via email or text messages, which is crucial for alerting users to equipment or environmental changes that could lead to process delays or material loss.
- Flexibility in handling multiple sensor types and inputs, making them suitable for diverse applications.
Limitations
Some limitations of TTL Data Loggers include:
- Limited expansion capabilities in less expensive models, which may only support a single input type.
- Potentially slower sample rates compared to other data acquisition devices, which may not be suitable for applications requiring high-frequency data collection.
Considerations
When considering TTL Data Loggers, it is important to evaluate:
- Initial costs and operating expenses, as these can vary based on the complexity and capabilities of the logger.
- Durability and accuracy, ensuring the device can withstand the intended environment and provide precise measurements.
- Replacement and maintenance costs, which can impact the long-term affordability and usability of the device.
from OMEGA Engineering, Inc.
The DPF701 Series ratemeter/ totalizer offers user programming via the 5 front-panel keys. Scale factor may be programmed from -99,999 to 999,999 (any decimal point, multiply or divide), while offset may be programmed from -99,999 to 999,999 (any decimal point). Programs are stored in non-volatile... [See More]
- Host Connection: RS232/422/485; TTL
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from Spectral Dynamics, Inc.
The Model VX2705B is a completely integrated 8 channel data recording VXI module. Each channel includes a low pass filter, a 16-bit 5M Samples/sec/ch. ADC, and 16M Samples of DRAM storage per channel. DRAM may be divided into 2, 4, or 8 segments for multiple event recording. Built-in channel... [See More]
- Host Connection: TTL; SIPS communication
- Differential Channels: Yes
- Analog Channels: 8
- Digital I/O Channels: 0
from CAS DataLoggers
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- Host Connection: RS232/422/485; USB; TTL; Ethernet
- Differential Channels: Yes
- Analog Channels: 8
- Digital I/O Channels: 8
from Red Pitaya, d.o.o.
SDRlab 122-16 External clock is based on the SDRlab 122-16 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. [See More]
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- Differential Channels: Yes (optional feature)
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from NorPix, Inc.
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from OMEGA Engineering, Inc.
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- Host Connection: RS232/422/485; USB; TTL
- Form Factor: Screw Mount
- Digital I/O Channels: 1
- Application: General Lab & Industrial
from Spectral Dynamics, Inc.
The Model VX2805B is a completely integrated 8 channel data recording VXI module. Each channel includes a bridge signal conditioner, a low pass filter, a 16-bit 5M Samples/sec/ch. ADC, and 16M Samples of DRAM storage per channel. DRAM may be divided into 2, 4 or 8 segments for multiple event... [See More]
- Host Connection: TTL; SIPS communication
- Differential Channels: Yes
- Analog Channels: 8
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from CAS DataLoggers
VersaLog DCC-HR is an 8-channel, battery powered, stand alone current DC data logger. It records up to 4 mega bytes of data and stores it in non- volatile flash memory for later retrieval. Input current signals can be from sensors, transducers, transmitters or any other common current sources. [See More]
- Host Connection: USB; TTL; Ethernet; Modem
- Resolution: 16
- Analog Channels: 8
- Accuracy: 0.1000
from Red Pitaya, d.o.o.
SDRlab 122-16 was developed specifically for software-defined radio and more demanding RF applications. [See More]
- Host Connection: RS232/422/485; USB; TTL; Ethernet; WiFi
- Differential Channels: Yes (optional feature)
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- Digital I/O Channels: 16
from OMEGA Engineering, Inc.
The OMEGA® iSD environmental monitor provides Web-based remote surveillance of environmental conditions in critical HVAC applications such as computer server rooms, clean rooms, laboratories, museums, warehouses, or any remote facility. View and record Temperature, Relative Humidity and Dew Point... [See More]
- Host Connection: TTL
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- DC Voltage: 9 - 12 V
from Spectral Dynamics, Inc.
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- Host Connection: TTL; SIPS communication
- Differential Channels: Yes
- Analog Channels: 8
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from CAS DataLoggers
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- Host Connection: RS232/422/485; TTL; Ethernet
- Differential Channels: Yes (optional feature)
- Analog Channels: 32
- Digital I/O Channels: 32
from Red Pitaya, d.o.o.
SIGNALlab 250-12 is most sophisticated Red Pitaya product, built for more demanding industrial applications and research, where robustness and performance matter more than cost. [See More]
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from OMEGA Engineering, Inc.
The OM-CP-EVENT101A is part of a new series of low cost, state-of-the-art data logging devices. The OM-CP-EVENT101A offers a 10 year battery life, 4 Hz reading rate, a multiple start/stop function, ultra-high speed download capability, 406,323 reading storage capacity, optional memory wrap, battery... [See More]
- Host Connection: USB; TTL
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from CAS DataLoggers
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- Host Connection: USB; TTL; Ethernet; Modem
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- Analog Channels: 7
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from Red Pitaya, d.o.o.
SIGNALlab 250-12 is most sophisticated Red Pitaya product, built for more demanding industrial applications and research, where robustness and performance matter more than cost. [See More]
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from OMEGA Engineering, Inc.
The OM-LGR-5320 Series are highspeed, standalone data loggers for analog and digital signals. Each module offers 16 analog inputs, 16 digital inputs, one single Form C relay (0.5A) digital output for triggering/alarming, and four counter/encoder inputs. These devices allow users to collect... [See More]
- Host Connection: USB; TTL
- Differential Channels: Yes
- Analog Channels: 16
- Digital I/O Channels: 16
from CAS DataLoggers
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- Host Connection: USB; TTL; Ethernet; Modem
- Resolution: 16
- Analog Channels: 2
- Accuracy: 0.2000
from Red Pitaya, d.o.o.
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from OMEGA Engineering, Inc.
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- Host Connection: USB; TTL
- Form Factor: Portable
- Sampling Frequency: 0.0040
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from CAS DataLoggers
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- Host Connection: USB; TTL; Ethernet; Modem
- Resolution: 16
- Analog Channels: 8
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from Red Pitaya, d.o.o.
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- Differential Channels: Yes (optional feature)
- Analog Channels: 6
- Digital I/O Channels: 16
from CAS DataLoggers
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- Host Connection: USB; TTL
- Resolution: 16
- Analog Channels: 8
- Accuracy: 0.2000
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Host Connection: RS232/422/485; USB; TTL; Ethernet; WiFi
- Differential Channels: Yes (optional feature)
- Analog Channels: 6
- Digital I/O Channels: 16