EXTECH Temperature/Humidity Recorder - paperless

Item Number: RH520A Catalog Image

Paperless recorder measures temperature, humidity plus calculates dew point

Internal memory records up to 49,000 data points

Unit features audible and visual alarms with hi/low setpoints

Use this digital recorder to monitor and record temperature and humidity data in laboratories, storage and clean rooms, freezers, and other critical areas. Detachable probe extends up to one meter for measurements in closed environments and large dual graphical LCD display provides adjustable vertical and horizontal TAC resolution. Time, date and the percentage of memory remaining is displayed and audible and visual alarms generate warnings when conditions are outside required limits. Unit is desk or wall mountable and internal data records can be transferred to a PC via RS-232 serial port for further analysis.
Built-in stand, detachable probe with 3-ft cable, RS232 cable and 3 AA batteries are included.
AC adapter is optional.

DC Relay Module, Replacement Probe & 3rd Party Calibration are also available

RH range 10 to 95.0%
RH accuracy ±3.0% RH
Temp range -20.0 to 140.0°F
(-28 to 60°C)
Temp resolution 0.1°F
Temp accuracy 1.8±F
Recording interval 0.1 to 199.9 (selectable)
Dimensions 7-3/4"W x 5"H x 1"D
Display Backlit graphical LCD
Memory 49,000 data points
Power Three AA batteries
(optional AC adapter)
Manufacturer number RH520A
Brand Extech
Model RH520A