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 | Specifications | | 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
(0.1°C) | | Temp accuracy | 1.8±F
(1°C) | | 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 |
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