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Operating range 0 °C to 50 °C (32 °F to 122 °F); 0 % RH to 100 % RH
Calibrated temperature Accuracy: ± 0.125 °C from 16 °C to 24 °C (± 0.225 °F from 60.8 °F to 75.2 °F)
Calibrated RH accuracy: ± 1.5 % RH from 20 % RH to 70 % RH
Expected extrapolated Performance (uncertified): ± 0.5 °C (± 0.9 °F) outside calibrated range, ± 3 % RH outside calibrated range
Delta temperature accuracy: ± 0.025 °C for ± 1 ° changes within 15 °C to 35 °C (± 0.045 °F for ± 1 ° changes within 59 °F to 95 °F)
Temperature resolution: User selectable up to 0.001 °C/°F on front-panel display (0.01° recorded)
Delta humidity accuracy: ± 1.0 % RH for ± 5 % changes within 20 % RH to 70 % RH
RH resolution: User selectable up to 0.01 % on front-panel display (0.1 % recorded)
Inputs: Up to two sensors, measure temperature and relative humidity, detachable, cable-extendable,
interchangeable, self-contained calibrations, may be assigned unique 16-character identifications
Display: 240 x 128 graphics monochrome LCD, displays password-protected temperature/humidity data graphically, numerically, and statistically (one or both channels); 16 pre-defined, user-changeable screen setups
Memory: 400,000 typical individual date/time-stamped readings
Alarms: Password-protected visual, audible, and external alarms for temperature, temperature rate, RH, RH rate, and fault conditions
Alarm port output: 2.5 mm two-conductor subminiature plug, 0 V normal, 11 to 12 V active, sources up to 20 mA
Connectivity: Ethernet, RS-232, RF (optional)
Ethernet: RJ45 jack, 10 Base-T or 100 Base-TX; static or dynamic (DHCP client) IP address assignment
Web page: Embedded web page interface features: instrument identification, measurements, password-protected terminal page; can be disabled
Wireless option: Requires wireless modem. 802.15.4 (underlies Zigbee), 2.4 GHz frequency, 1 mW transmit power, 30 m (100 ft) typical unobstructed range; can be disabled
Mounting: Wall mounted (hardware included) or set on a bench top
Power: 12 V dc from external 100 to 240 V dc power supply
Battery backup: Standard 9 V battery enables continued measuring during power disruptions
Size (DewK) (HxWxD): 125 mm x 211 mm x 51 mm (4.9 in x 8.3 in x 2.0 in)
Size (Sensors) (LxDia): 79 mm x 19 mm (3.1 in x 0.75 in)
Weight: 0.7 kg (1.5 lb)
