About ACR Systems Products
Hardest Working Data Loggers in the Industry - ACR
ACR Data Loggers
ACR Specialty Products
ACR Software
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Welcome to the hardest working data loggers in the industry with a model to fit every application! That means when it comes to your data logging needs, you can consider ACR your one-stop shop for monitoring everything from temperature, relative humidity, CO2, and other gases to AC current/voltage, pulse, process signal, and pressure.

To help you determine which ACR logger is right for you, here’s a quick overview of our product lines by measurement type.

Multi-Purpose

SmartReader Plus (SRP) Series – The broadest range of configurable, networkable, multi-channel data loggers with 10-year battery life ensuring the perfect logger for any application – even over the long haul! From temporary concrete maturity monitoring at up to 300 feet to more long-term critical nuclear power plant temperature tracking, the over 10 SRP models to choose from ensure there’s always a solution for your data recording needs.
OWL Series – Flexible, mid-range single-channel temperature, relative humidity, and power measurement data logger models with visual alarms and faster sample rates.

Temperature Only

SmartButton – The smallest, most affordable single-channel temperature data logger for tight spaces, multiple locations, and repeat uses – even in the most extreme temperatures. Just stick it and go! SmartButtons are commonly used not only where space is limited but also where you might want a less visible monitoring option or a more disposable solution.
JR-2000 – The longest-lasting, single-channel temperature data logger in a slim USB stick form factor ideal for even the most extreme temperatures… such as low-temp freezers in medical and biological labs where reliability and durability count.

Nautilus Series – Rugged, waterproof temperature data logger in a sleek, compact form factor ideal for monitoring applications in lakes, streams, and soil to sterilization wash cycles. The Nautilus Series offers durable logging in a sleek cylinder that can fit a range of tight spaces and shapes.

Temperature & Relative Humidity

TRH-1000 – The longest lasting temperature and relative humidity data logger at an affordable price point perfect for longer-term dual monitoring applications.

Power & Pressure

SmartReader Plus Series – The broadest range of configurable, networkable, multi-channel data loggers with 10-year battery life ensuring the perfect logger for any application – even over the long haul! From water volume flow rate monitoring to measuring and tracking compressed air flow and pressure, the over 10 SRP models to choose from ensure there’s always a solution for your data recording needs.

To learn more about any of these products, please select the one that best suits your needs from the following listing.

We offer a wide selection of accessories for our data loggers to ensure you have everything you need for your monitoring needs.

1/4" Pressure Hose - Standard Pressure Pressure Hose, 25in OD, 75PSI
1/4" Pressure Hose - High Pressure Pressure Hose, 25in OD, 150PSI
3-Wire + Shield Sensor Cable (Bulk) Wire, Extension, 24AWG, 4-Conductor
AC Current Transducer (CT-153) - 10 - 25 - 50A Probe, AC Current, 0-10 Amp, 25 Amp and 50 Amp Ranges
AC Current Transducer (CT-253) - 250 A 50/60Hz Probe, AC Current, 250A 50/60Hz
AC Current Transducer (CT-353) - 50/60Hz Probe, AC Current, 500A 50/60Hz
AC Current Transducer (CT-453) 1000A 50/60Hz Probe, AC Current, 1000A 50/60Hz
Adhesive Backing - SmartButton Mount, Adhesive Tape, ACR SmartButton
Alarm Module - 100 - NA Alarm Module, 120VAC Power Supply
Fast Sampling Battery Pack - 101 Battery Pack, Fast Sampling
Hard Plastic Plate Mount - SmartButton Mount, Hard Plastic, ACR SmartButton
IC-102 - Logger-PC Interface Cable Interface Cable, Computer USB to Data Logger
J Type Thermocouple Wire - Bulk Wire Wire, Thermo Couple, Type J
J Type Thermocouple Wire - Welded Tip Wire, Thermo Couple, Type J, Welded
K Type Thermocouple Wire - Bulk Wire Wire, Thermo Couple, Type K
K Type Thermocouple Wire - Welded Tip Wire, Thermo Couple, Type K, Welded
Line Splitter Multiplier - AC Current North American AC Line Splitter
Lite-Link Logger-PC Int. Cable Interface Cable, LiteLink, USB Computer to Optical Logger/Recorder
Magnetic Backing - SmartButton Magnetic Backing for ACR SmartButton
Net Fast Sample Power Supply - 120V NA Power Supply, Network, 120VAC