Data Loggers
Data loggers record temperature, humidity, pressure, voltage and other readings over time, giving you a dependable record for quality checks, compliance and troubleshooting. Most are small, battery-powered units that can run on their own for weeks or months.
Data Logger Types
- Temperature and humidity loggers – cold chain, warehouses and cleanrooms
- Process signal loggers – record 4-20 mA and voltage inputs from transmitters
- Pressure loggers – monitor water systems and compressed air
- Wireless and cloud-connected loggers – view live data and receive alerts remotely
- Multi-channel loggers – log several sensors on one device
What to Consider
Define what you need to measure, the sample rate, how long the logger must run and how you'll retrieve the data. For regulated industries, look for calibration certificates and software with audit trails. Wireless loggers save time when many sites or rooms need monitoring.
Centro offers data loggers and software for food, pharmaceutical, HVAC and industrial monitoring.
Related categories: Recorders | Paperless Recorders | Chart Recorders
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The Dwyer - OM-EL-WIFI-TC is a Wireless Temperature Data Logger featuring 1-CH, TC I/P, Battery, LCD, and WIFI. Part of the OM-EL-WIFI Series. Sold individually.
$386.28
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - A1000 is a Signal Converter/Repeater featuring RS232/RS485 I/P, 1-Port, 115 Vac, and for D1000 & D2000 Digital Transmitters. Part of the A1000 Series. Sold individually.
$444.38
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - AQM-101 is a Monitor & Data Logger featuring Formaldehyde, HCHO, Temperature, RH, Ambient Pressure, LCD Display, 32000 Readings Memory, and USB Interface. Temperature ranges include 0 ppm to 5 ppm @25 °C (77 °F), ± 0.1 °C, and 0 °C to 50 °C. Sold individually.
$489.88
Should ship between 09 Dec and 23 Dec
Subject to factory lead times
The Dwyer - OM-CP-HITEMP140-PT-1 is a High Temperature Data Logger featuring Temperature, 1 Measurement, RTD, 33K Max Samples, Battery, USB, 1 s, and 559 mm SS Flexible Probe with 42 mm Probe Tip. Part of the OM-CP-HITEMP140-PT Series. Sold individually.
$809.95
Should ship between 23 Dec and 30 Dec
Subject to factory lead times
The Dwyer - OM-CP-TEMP1000IS-A2 is a Temperature Data Logger featuring Intrinsically Safe, 1 Measurement, Internal, 65k Max Samples, Battery, Docking Station to USB (Sold Separately), and 4 Hz. Part of the OM-CP-TEMP1000IS-A2 Series. Sold individually.
$321.67
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-21CFR-TC is a Thermocouple Data Logger featuring 21CFR Compliant, Temperature, 1 Measurement, Type K TC, 33k Max Samples, Battery, USB, and 1 s. It is rated for a temperature range of 0 °C to 200 °C. Part of the OM-EL-21CFR Series. Sold individually.
$194.02
Should ship between 20 Nov and 23 Nov
Subject to factory lead times
The Dwyer - HHTP21 is a Handheld Particulate Pollution Meter featuring Particulate Matter, 0 µg/m³ to 500 µg/m³, ± 10 %, Battery Power (4 AA), AC Adaptor, LCD Display, and Manual Data Memory & Read Function. It is rated for a temperature range of 60 °C (140 °F). Sold individually.
$609.32
Should ship between 27 Jan and 03 Feb
Subject to factory lead times
The Dwyer - ITHX-SD-5D is a Temperature & Humidity Chart Recorder featuring Virtual, 2-CH, External Probe I/P, Battery, AC Power Adapter, LCD, Ethernet SD Card, Two Probes, and Wand & 137 mm Industrial Probe. Part of the iTHX Series. Sold individually.
$1,114.50$1,208.83
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - OM-CP-PROCESS101A-3A is a DC Current Data Logger featuring 1-CH Measurement, ± 3 A, 1 M Samples, 0.25 s Sample Rate, USB, and Battery Power. Part of the OM-CP-PROCESS101A Series. Sold individually.
$299.82
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-CP-VOLT101A-30V is a Voltage Data Logger featuring 1-CH Measurement, -8 Vdc to 32 Vdc, 1 M Samples, 0.25 s Sample Rate, USB, and Battery Power. Part of the OM-CP-VOLT101A Series. Sold individually.
$283.82
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-USB-3 is a Portable Data Logger featuring 1 Measurement, 30 Vdc, 16k Max Samples, Battery, USB, 10 s, and IP67. Part of the OM-EL-USB-1 Series. Sold individually.
$178.66
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - LDH-380 is a Handheld Refrigerant Leak Detector featuring R-134A, R-404A, R-410A, R-407C, R22 Freon Gases, Battery Power (4 AA), and Alarm Buzzer. It is rated for a temperature range of 0 °C to 40 °C (32 °F to 104 °F). Sold individually.
$286.38
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-CP-MICRORHTEMP is a Micro Relative Humidity & Temperature Data Logger featuring Temperature/Humidity, 2 Measurements, Internal, 16k Max Samples, Battery, USB, and 2 s. Part of the OM-CP-MICRORHTEMP Series. Sold individually.
$477.50
Should ship between 12 May and 26 May
Subject to factory lead times
The Dwyer - OM-CP-PRTEMP140-NPT is a Submersible High Temperature & Pressure Data Logger featuring 2 Measurements, RTD, Strain Gauge, 33K Max Samples, Battery, USB, 1 s, 0 bar to 5 bar, and 1/8 " NPT Pressure Port. Part of the OM-CP-PRTEMP140 Series. Sold individually.
$2,168.41
Should ship between 16 Dec and 23 Dec
Subject to factory lead times
The Dwyer - CYD211 is a Cryogenic Digital Thermometer featuring Temperature, Silicon Diode, Pt100 RTD, 5-Digit LED, 110 Vac, and RS232C. Part of the CYD211 Series. Sold individually.
$2,528.00
Should ship between 09 Dec and 23 Dec
Subject to factory lead times
The Dwyer - OM-63 is a Temperature featuring Relative & Dew Point Humidity Data Logger, Portable Low-Cost, 1 Measurement, Internal, 45K Max Samples, Battery, USB, and 1 s. Part of the OM-62 Series. Sold individually.
$174.13
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-21CFR-2-LCD is a Temperature & Humidity Dew Point Data Logger featuring 21CFR Compliant, 2 Measurements, Internal, 33k Max Samples, LCD Display, Battery, USB, 10 s, and IP67. It is rated for a temperature range of -35 °C to +80 °C. Part of the OM-EL-21CFR Series. Sold individually.
$307.26
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - ISD-TH-5-CAL-3-HU is a Temperature & Humidity Monitor & Recorder featuring 2-CH, External Probe I/P, Battery, AC Power Adapter, LCD, Ethernet, SD Card, Card, and 137 mm (5 ") Industrial Probe & CAL3. Part of the iSD Series. Sold individually.
$1,308.75$1,419.52
Should ship between 20 Nov and 23 Nov
Subject to factory lead times
The Dwyer - OM-CP-QUADPROCESS-30MA-A2 is a Current Data Logger featuring 4-CH Measurement, -2 mA to 30 mA, Up to 4 M Samples, 4 Hz Sample Rate, USB, Battery, AC Power Adapter, and NIST Traceable Calibration. Part of the X Series. Sold individually.
$984.83
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-GFX-DTC is a Temperature Data Logger featuring Temperature, 2 Measurements, TC (Dual), 130K Max Samples, Graphical Display, Battery, USB, 10 s, and IP67. Part of the OM-EL-GFX Series. Sold individually.
$429.77
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - HH932T is a Bluetooth Data Thermometer featuring Temperature, K, J, E, T, R, S, N, B, 1k Max Samples, 4 Digit LCD, 4.5 V (3 AA) Battery, Bluetooth, and Min/Max/Avg/Rng/STDEV. Part of the HH932T Series. Sold individually.
$900.45
Should ship between 16 Dec and 23 Dec
Subject to factory lead times
The Dwyer - I-7561 is a Serial RS-232/422/485 to USB Converter featuring 1-Port, Output Isolated, 300 bps to 115200 bps, and DIN-Rail Mount. Part of the I-7561 Series. Sold individually.
$275.18
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-CP-MICROTEMP is a Submersible Temperature Data Logger featuring Miniature, Temperature, 1 Measurement, Internal, 33K Max Samples, Battery, USB, 2 s, and Narrow neck for Beverage Bottle. Part of the OM-CP-MICROTEMP Series. Sold individually.
$312.71
Should ship between 13 Jan and 20 Jan
Subject to factory lead times
The Dwyer - OM-CP-TCTEMP1000 is a Thermocouple Recorder featuring Rugged, Submersible, Temperature, 2 Measurements, Ambient Temperature, TC, 16k Max Samples, Battery, USB, and 2 s. Part of the OM-CP-TCTEMP1000 Series. Sold individually.
$494.88
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-WIFI-TC is a Wireless Temperature Data Logger featuring 1-CH, TC I/P, Battery, LCD, and WIFI. Part of the OM-EL-WIFI Series. Sold individually.
$386.28
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - A1000 is a Signal Converter/Repeater featuring RS232/RS485 I/P, 1-Port, 115 Vac, and for D1000 & D2000 Digital Transmitters. Part of the A1000 Series. Sold individually.
$444.38
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - AQM-101 is a Monitor & Data Logger featuring Formaldehyde, HCHO, Temperature, RH, Ambient Pressure, LCD Display, 32000 Readings Memory, and USB Interface. Temperature ranges include 0 ppm to 5 ppm @25 °C (77 °F), ± 0.1 °C, and 0 °C to 50 °C. Sold individually.
$489.88
Should ship between 09 Dec and 23 Dec
Subject to factory lead times
The Dwyer - OM-CP-HITEMP140-PT-1 is a High Temperature Data Logger featuring Temperature, 1 Measurement, RTD, 33K Max Samples, Battery, USB, 1 s, and 559 mm SS Flexible Probe with 42 mm Probe Tip. Part of the OM-CP-HITEMP140-PT Series. Sold individually.
$809.95
Should ship between 23 Dec and 30 Dec
Subject to factory lead times
The Dwyer - OM-CP-TEMP1000IS-A2 is a Temperature Data Logger featuring Intrinsically Safe, 1 Measurement, Internal, 65k Max Samples, Battery, Docking Station to USB (Sold Separately), and 4 Hz. Part of the OM-CP-TEMP1000IS-A2 Series. Sold individually.
$321.67
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-21CFR-TC is a Thermocouple Data Logger featuring 21CFR Compliant, Temperature, 1 Measurement, Type K TC, 33k Max Samples, Battery, USB, and 1 s. It is rated for a temperature range of 0 °C to 200 °C. Part of the OM-EL-21CFR Series. Sold individually.
$194.02
Should ship between 20 Nov and 23 Nov
Subject to factory lead times
The Dwyer - HHTP21 is a Handheld Particulate Pollution Meter featuring Particulate Matter, 0 µg/m³ to 500 µg/m³, ± 10 %, Battery Power (4 AA), AC Adaptor, LCD Display, and Manual Data Memory & Read Function. It is rated for a temperature range of 60 °C (140 °F). Sold individually.
$609.32
Should ship between 27 Jan and 03 Feb
Subject to factory lead times
The Dwyer - ITHX-SD-5D is a Temperature & Humidity Chart Recorder featuring Virtual, 2-CH, External Probe I/P, Battery, AC Power Adapter, LCD, Ethernet SD Card, Two Probes, and Wand & 137 mm Industrial Probe. Part of the iTHX Series. Sold individually.
$1,114.50$1,208.83
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - OM-CP-PROCESS101A-3A is a DC Current Data Logger featuring 1-CH Measurement, ± 3 A, 1 M Samples, 0.25 s Sample Rate, USB, and Battery Power. Part of the OM-CP-PROCESS101A Series. Sold individually.
$299.82
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-CP-VOLT101A-30V is a Voltage Data Logger featuring 1-CH Measurement, -8 Vdc to 32 Vdc, 1 M Samples, 0.25 s Sample Rate, USB, and Battery Power. Part of the OM-CP-VOLT101A Series. Sold individually.
$283.82
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-USB-3 is a Portable Data Logger featuring 1 Measurement, 30 Vdc, 16k Max Samples, Battery, USB, 10 s, and IP67. Part of the OM-EL-USB-1 Series. Sold individually.
$178.66
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - LDH-380 is a Handheld Refrigerant Leak Detector featuring R-134A, R-404A, R-410A, R-407C, R22 Freon Gases, Battery Power (4 AA), and Alarm Buzzer. It is rated for a temperature range of 0 °C to 40 °C (32 °F to 104 °F). Sold individually.
$286.38
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-CP-MICRORHTEMP is a Micro Relative Humidity & Temperature Data Logger featuring Temperature/Humidity, 2 Measurements, Internal, 16k Max Samples, Battery, USB, and 2 s. Part of the OM-CP-MICRORHTEMP Series. Sold individually.
$477.50
Should ship between 12 May and 26 May
Subject to factory lead times
The Dwyer - OM-CP-PRTEMP140-NPT is a Submersible High Temperature & Pressure Data Logger featuring 2 Measurements, RTD, Strain Gauge, 33K Max Samples, Battery, USB, 1 s, 0 bar to 5 bar, and 1/8 " NPT Pressure Port. Part of the OM-CP-PRTEMP140 Series. Sold individually.
$2,168.41
Should ship between 16 Dec and 23 Dec
Subject to factory lead times
The Dwyer - CYD211 is a Cryogenic Digital Thermometer featuring Temperature, Silicon Diode, Pt100 RTD, 5-Digit LED, 110 Vac, and RS232C. Part of the CYD211 Series. Sold individually.
$2,528.00
Should ship between 09 Dec and 23 Dec
Subject to factory lead times
The Dwyer - OM-63 is a Temperature featuring Relative & Dew Point Humidity Data Logger, Portable Low-Cost, 1 Measurement, Internal, 45K Max Samples, Battery, USB, and 1 s. Part of the OM-62 Series. Sold individually.
$174.13
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-21CFR-2-LCD is a Temperature & Humidity Dew Point Data Logger featuring 21CFR Compliant, 2 Measurements, Internal, 33k Max Samples, LCD Display, Battery, USB, 10 s, and IP67. It is rated for a temperature range of -35 °C to +80 °C. Part of the OM-EL-21CFR Series. Sold individually.
$307.26
Should ship between 25 Nov and 02 Dec
Subject to factory lead times
The Dwyer - ISD-TH-5-CAL-3-HU is a Temperature & Humidity Monitor & Recorder featuring 2-CH, External Probe I/P, Battery, AC Power Adapter, LCD, Ethernet, SD Card, Card, and 137 mm (5 ") Industrial Probe & CAL3. Part of the iSD Series. Sold individually.
$1,308.75$1,419.52
Should ship between 20 Nov and 23 Nov
Subject to factory lead times
The Dwyer - OM-CP-QUADPROCESS-30MA-A2 is a Current Data Logger featuring 4-CH Measurement, -2 mA to 30 mA, Up to 4 M Samples, 4 Hz Sample Rate, USB, Battery, AC Power Adapter, and NIST Traceable Calibration. Part of the X Series. Sold individually.
$984.83
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-EL-GFX-DTC is a Temperature Data Logger featuring Temperature, 2 Measurements, TC (Dual), 130K Max Samples, Graphical Display, Battery, USB, 10 s, and IP67. Part of the OM-EL-GFX Series. Sold individually.
$429.77
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - HH932T is a Bluetooth Data Thermometer featuring Temperature, K, J, E, T, R, S, N, B, 1k Max Samples, 4 Digit LCD, 4.5 V (3 AA) Battery, Bluetooth, and Min/Max/Avg/Rng/STDEV. Part of the HH932T Series. Sold individually.
$900.45
Should ship between 16 Dec and 23 Dec
Subject to factory lead times
The Dwyer - I-7561 is a Serial RS-232/422/485 to USB Converter featuring 1-Port, Output Isolated, 300 bps to 115200 bps, and DIN-Rail Mount. Part of the I-7561 Series. Sold individually.
$275.18
Should ship between 02 Dec and 09 Dec
Subject to factory lead times
The Dwyer - OM-CP-MICROTEMP is a Submersible Temperature Data Logger featuring Miniature, Temperature, 1 Measurement, Internal, 33K Max Samples, Battery, USB, 2 s, and Narrow neck for Beverage Bottle. Part of the OM-CP-MICROTEMP Series. Sold individually.
$312.71
Should ship between 13 Jan and 20 Jan
Subject to factory lead times
The Dwyer - OM-CP-TCTEMP1000 is a Thermocouple Recorder featuring Rugged, Submersible, Temperature, 2 Measurements, Ambient Temperature, TC, 16k Max Samples, Battery, USB, and 2 s. Part of the OM-CP-TCTEMP1000 Series. Sold individually.
$494.88
Should ship between 02 Dec and 09 Dec
Subject to factory lead times