Extech RF41 Portable Battery Coolant/Glycol Refractometer with ATC (°C)

Extech RF41

Extech RF41 Portable Battery Coolant/Glycol Refractometer with ATC (°C)

The Extech RF41 measures propylene/ethylene glycol freezing points from -50°C to 0°C. It also measures the specific gravity of battery acid from 1.11 to 1.30 and provides a quick reference of battery charge condition. Requires only 2 or 3 drops of solution for fast and accurate readings. The automatic temperature compensation provides repeatable measurements on an easy to read scale. Prism and lens come with a simple focus adjustment. Includes carrying case and calibration screwdriver.

Extech RH25 Heat Index Psychrometer

Extech RH25

Extech RH25 Heat Index Psychrometer

The Extech RH25 Heat Index Psychrometer pen easily monitors heat index during hot, humid days in helps to prevent heat stroke during outdoor activities or sporting events. Its pocket-sized design makes it convenient to carry it wherever you go. Complete with CR2032 battery.

Extech RH250W Hygro-Thermometer with Connectivity to ExView® App

Extech RH250W

Extech RH250W Hygro-Thermometer with Connectivity to ExView® App

The Extech RH250W is a compact Hygro-Thermometer with Bluetooth® connectivity, which allows building and maintenance professionals to view and share relative humidity and temperature data directly from a mobile device using the free ExView app. With the capability to capture data, display trends, set visual and audio alarms, and send reports, users can gain deeper insights on equipment and building health.

Extech RH390 Precision Psychrometer

Extech RH390

Extech RH390 Precision Psychrometer

Measure humidity and temperature simultaneously with the RH390 Precision Psychrometer from Extech. A dual-illuminated readout can be alternated to display wet bulb and humidity, or dew point and humidity, or temperature and humidity. This handheld device registers temperatures from -22 degrees to 199 degrees F (-30 degrees to 100 degrees C) and measures the full spectrum of relative humidity with ±2% accuracy between 20 and 90% RH. Complete with carrying case and 9V battery.

Extech RH520B Humidity+Temperature Chart Recorder with Detachable Probe

Extech RH520B

Extech RH520B Humidity+Temperature Chart Recorder with Detachable Probe

The Extech RH520B is a paperless Chart Recorder that provides simultaneous digital and graphical display of %RH and temperature or dew point, as well as showing date/time and min/max values. Use the free, PC-based software for data transfer to a PC and to graph %RH, temperature, dew point, wet bulb, and g/kg or GPP. Audible and visual high/low alarm limits can be set for humidity and temperature. This recorder is ideal for storage facilities, green houses, laboratories, and other buildings where temperature or humidity may need to be monitored.

Extech RH550 Humidity/Temperature Chart Recorder with Touch Screen

Extech RH550

Extech RH550 Humidity/Temperature Chart Recorder with Touch Screen

Simultaneously datalog and monitor relative humidity, temperature, and calculated dew point on the Extech RH550. It features live or user-scheduled recording time and programmable Min/Max alarm set points. A built-in stand is included for desktop use, as well as a bracket for wall-mounting. The RH550 also features a field-replaceable probe that can be attached to the monitor or on a 6.5 ft (2 m) cable. This recorder is useful in office buildings, conference rooms, labs, hospitals, cleanrooms, greenhouses, food storage facilities, and more.

Extech RHM16 Mini Hygro-Thermometer Monitor

Extech RHM16

Extech RHM16 Mini Hygro-Thermometer Monitor

The RHM16 is a Mini Hygro-Thermometer ideal for monitoring temperature and humidity conditions in enclosed or open space environments. It helps gauge proper heat and moisture levels while also recording high and low extremes during the day. Measures in °C only.

Extech RHT3 EzSmart™ Hygro-Thermometer

Extech RHT3

Extech RHT3 EzSmart™ Hygro-Thermometer

The Extech RHT3 is an EzSmart™ Hygro-Thermometer for use with Android or iOS smart devices. The RHT3 comes with a free app from iTunes and Google Play for taking readings. Complete with a built-in sensor and protective connector cap with strap.

Extech RPM33 Combination Contact/Laser Photo Tachometer

Extech RPM33

Extech RPM33 Combination Contact/Laser Photo Tachometer

The Extech RPM33 provides both contact (2 to 19,999 rpm) and non-contact (2 to 99,999 rpm) revolutions per minute measurements for enhanced versatility. Safely record laser-guided non-contact RPM measurements from up to 500 mm (1.6 feet) away. The RPM33 displays on the large five-digit backlit LCD. Store and recall 10 data sets in memory with four parameters (measurement, max, min and average). The unit comes with contact wheel for linear surface speed 0 to 1999.9 meters/minute; 0.2 to 6560 feet/minute) or RPM measurements, 9-volt battery, reflective tape, carrying case, and user manual.

Extech RPM250W Laser Tachometer with Connectivity to ExView® App

Extech RPM250W

Extech RPM250W Laser Tachometer with Connectivity to ExView® App

The Extech RPM250W is a compact Laser Tachometer with Bluetooth® connectivity, which allows building and maintenance professionals to view and share revolutions per minute (RPM) data of rotating objects directly from a mobile device using the free ExView® app. With the capability to capture data, display trends, set visual and audio alarms, and send reports, users can gain deeper insights on equipment health.