We offer a variety of data loggers that are suitable for measurement of DC voltage and 4-20 mA current signals. The are models that are specifically designed for voltage/current measurements only. They typically are lower cost and are easier to set-up but offer less flexibility. We also have a great selection of general purpose data loggerers that can measure DC voltages and 4-20 mA signals and also allow the measurement of other input signals types.
Voltage/Current Data Loggers
- Dedicated Voltage/Current Data Loggers
- TandD RVR-52 - Wireless
- TandD VR-71 - 2 Channels with a Serial Interface
- dataTaker DT4000 - 1 to 4 Inputs with a Serial Interface
- Eltek GS4x - Wireless
- General Purpose Data Loggers suitable for voltage or current measurements
- dataTaker DT80 Series - Up to 15 Inputs with USB, Serial and Ethernet Interfaces
- dataTaker DT800 - Up to 42 Inputs with Ethernet and Serial Interfaces
- dataTaker DT50 Series
- dataTaker DT500/DT600 Series - Up to 90 Inputs with Serial Interface
- Grant Squirrel SQ2020/SQ2040 - Up to 32 Inputs with USB Interface
- KineticSystems DAQ400/DAQ500 Series - High Speed with up to 64 Inputs and Ethernet Interface
- Nimtech FrontDAQ - High Speed with 20 Inputs and an A/D per channel
- Fourier Systems DaqPRO - 8 Inputs with USB Interface
- Infinite Informatics iLOG Series - 4 Inputs with a Serial, Ethernet or GSM Interface
Dedicated Voltage/Current Data Loggers

TandD RVR-52 |

TandD VR-71 |
The RVR-52 data logger is a compact, water-resistant, wireless, voltage logger with a range of 0 V to 6.5 V. This compact logger can store up to 16,000 data points and connects to a PC through the RTR-57U Wireless Data Collector, the RTR-5W Wireless Data Collector, or the RTR-50 Wireless USB Base Station/Repeater
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The VR-71 is a 2-channel voltage data logger, with a range of ±1 V, ±2 V, ±6 V, or ±15 V per channel. The VR-71 has 20 programmable sampling rates from 20 Hz to once per hour and stores up to 8,000 data points per channel. The optional VR-00P1 expansion module allow for an external sensor excitation signal to be switched on and off and can synchronize up to 4 VR-71 units.
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dataTaker DT4000 Series |

Eltek |
| The dataTaker DT4000 data logger is a 1- or 4-channel voltage logger. |
Eltek offer wireless transmitters and receivers for voltage and current measurements |
| DT4000 |
4-channels with 2 0-1 or 0-10 VDC switchable and 2 4-20mA with sensor excitation switch plus an ambient temperature sensor |
GS-41F - 1 voltage/current input |
| DT4000-101 |
1-channel voltage logger with switchable range of 0-1 VDC or 0-10 VDC |
GS-42F - 2 voltage/current inputs |
| DT4000-1CW |
1-channel current logger (4-20 mA) |
GS-44F - 4 voltage/current inputs |
| DT4000-411 |
4-channel voltage logger logger. 2 channels with switchable range of 0-1 VDC or 0-10 VDC and 2 channels of range 0-10 VDC |
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| DT4000-4CW |
4-channels of 4-20mA inputs with sensor excitation switch |
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General Purpose Data Loggers suitable for voltage or current measurements

dataTaker DT80 Series |

dataTaker DT800 |

dataTaker DT50 Series |
The DT80 series data loggers have ±30-Volt input range with a built-in display and a USB memory slot for easy data transfer. The DT80 Series are stand-alone data loggers that connect to a PC via Ethernet, USB, or RS-232. |
The DT800 data logger is has 12 to 42 analog input channels, 16 digital channels, and 1 serial sensor channel. The DT800 stores up to 130,000,000 data points and has an ATA Flash card slot for removable data storage. For voltage or current measurements, the DT800 can accept up to 42 single ended inputs or 24 differential inputs. |
The DT50 series data loggers have up to 5 low-voltage input channels that are suitable for thermocouple, RTD or thermistor measurements. The DT50 series data loggers also have digital and counter inputs, stores up to 130,000 points in internal memory, and require an RS-232 port for connection to a PC. |
| DT80 |
5 to 15 analog inputs for voltage or current, 12 digital channels, 1 serial sensor channel |
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DT50 |
5 to 15 analog inputs for voltage or current, 5 digital channels, 3 counter channels, SRAM PC Card slot for Removable Data Storage |
| DT81 |
1 to 3 analog inputs for voltage or current, 4 digital channels, 4 counter channels |
DT51 |
1 to 3 analog inputs for voltage or current, 4 digital channels, 3 counter channels |

dataTaker DT500/DT600 Series |

Grant Squirrel SQ2020/SQ2040 Series |

KineticSystems DAQ400/DAQ500 Series |
The DT500/DT600 series data loggers have 10 to 30 analog input channels for voltage or current plus 4 digital channels and 3 counter channels. Each store up to 1,390,000 data points and have an SRAM PC card slot for removable data storage. Optional expansion modules allow up to a 90 channels of voltage or current inputs. |
The Grant Squirrel SQ2020/SQ2040 series data loggers are capable of sub-second logging and concurrent sampling. With 16 MB of internal memory, the Grant Squirrel SQ2020/SQ2040 series data loggers can log approximately 1,000,000 to 2,000,000 readings that can be downloaded to a removable MMC memory card. Inputs can be used with thermistor, thermocouple and RTD temperature sensors and 4-20mA instruments. |
The portable KineticSystems DAQ400/DAQ500 Series data loggers have 4 to 64 channels that are compatible with most thermocouple types. The KineticSystems DAQ400/DAQ500 Series data loggers can interface to a PC or operate standalone, and stores data on a removable CompactFlash™ card. It supports sample rates of up to 50-kHz aggregate. |
| DT500 |
±2.5 V Input Measurement Range |
SQ2020-1F8 |
8 Differential or 16 single ended analog inputs for voltage or current with a single ADC |
DAQ432 |
32 Input channels with programmable gain and 4 kHz aggregate sample rate |
| DT505 |
±100 V Input Measurement Range |
SQ2020-2F8 |
8 Differential or 16 single ended analog inputs for voltage or current with two ADC's |
DAQ464 |
64 Input channels with programmable gain and 4 kHz aggregate sample rate |
| DT600 |
±2.5 V Input Measurement Range, with built-in display |
SQ2040-2F16 |
16 Differential or 32 single ended analog inputs for voltage or current with two ADC's |
DAQ504 |
4 Input channels with programmable gain and 50 kHz aggregate sample rate |
| DT605 |
±100 V Input Measurement Range, with built-in display |
SQ2040-4F16 |
16 Differential or 32 single ended analog inputs for voltage or current with four ADC's |
DAQ516 |
16 Input channels with fixed gain and 50 kHz aggregate sample rate |
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DAQ518 |
18 Input channels 16 with fixed gain, 2 with programmable gain and 50 kHz aggregate sample rate |
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DAQ532 |
32 Input channels with fixed gain and 50 kHz aggregate sample rate |

Nimtech FrontDAQ |

Fourier Systems DaqPRO |

Infinite Informatics iLOG Series |
The Nimtech FrontDAQ data logger has 20 analog input channels for voltage or current, 20 digital channels and 4 analog outputs. The Nimtech FrontDAQ data logger can sample at 7.7 kHz per channel and store data to CompactFLASH™ memory. The Nimtech FrontDAQ data logger is network-ready and incorporates an internal web server for setting up and viewing data. |
The Fourier Systems DaqPRO data logger has 8 input channels that measure voltage, current, thermocouples, and RTD's. The Fourier Systems DaqPRO data logger can log up to 4000 samples / sec and has 512 kB of local memory. The graphical display allows for stand-alone set-up and operation. |
The iLOG series data loggers are 4-channel data logger that can accomodate RTD, PT100, 0-1 Volt, 0-20 mA, or 4-20 mA input types. The iLOG series data loggers incorporate an internal web server with FTP and email support which makes it ideal for remote temperature logging applications. |
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iLOG-EDM |
Serial port interface for external modems |
| iLOG-GSM |
Built-in GSM/GPRS modem |
| iLOG-LAN |
Eterhnet interface for network connectivity |
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