| Specifications |
| Operating Range |
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0 °C to 50 °C (32 °F to 122 °F); 0 % RH to 100 % RH |
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| Calibrated Temperature Accuracy (“H” Model) |
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± 0.125 °C from 16 °C to 24 °C |
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(± 0.225 °F from 60.8 °F to 75.2 °F) |
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| Calibrated temperature Accuracy (“S” Model) |
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± 0.25 °C from 15 °C to 35 °C |
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(± 0.45 °F from 59 °F to 95 °F) |
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| Calibrated RH Accuracy (“H” Model) |
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± 1.5 % RH from 20 % RH to 70 % RH |
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| Calibrated RH Accuracy (“S” Model) |
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± 2 % RH from 20 % RH to 70 % RH |
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| Expected Extrapolated Performance (Uncertified) |
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± 0.5 °C (± 0.9 °F) outside calibrated range |
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± 3 % RH outside calibrated range |
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| Delta Temperature Accuracy |
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± 0.025 °C for ± 1 ° changes within 15 °C to 35 °C |
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(± 0.045 °F for ± 1 ° changes within 59 °F to 95 °F) |
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| Temperature Resolution |
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User selectable up to 0.001 °C/°F on front-panel display (0.01° recorded) |
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| Delta Humidity Accuracy |
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± 1.0 % RH for ± 5 % changes within 20 % RH to 70 % RH |
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| RH Resolution |
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User selectable up to 0.01 % on front-panel display (0.1 % recorded) |
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| Inputs |
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Up to two sensors, measure temperature and relative humidity, detachable, cable-extendable, interchangeable, self-contained calibrations, may be assigned unique 16-character identifications |
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| Display |
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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 |
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| Memory |
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400,000 typical individual date/time-stamped readings |
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| Alarms |
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Password-protected visual, audible, and external alarms for temperature, temperature rate, RH, RH rate, and fault conditions |
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| Alarm Port Output |
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2.5 mm two-conductor subminiature plug, 0 V normal, 11 to 12 V active, sources up to 20 mA |
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| Connectivity |
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Ethernet, RS-232, RF (optional) |
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| Ethernet |
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RJ45 jack, 10 Base-T or 100 Base-TX; static or dynamic (DHCP client) IP address assignment |
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| Web Page |
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Embedded web page interface features: instrument identification, measurements, password-protected terminal page; can be disabled |
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| Wireless Option |
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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 |
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| Mounting |
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Wall mounted (hardware included) or set on a bench top |
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| Power |
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12 V dc from external 100 to 240 V dc power supply |
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| Battery Backup |
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Standard 9 V battery enables continued measuring during power disruptions |
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| Size (DewK) ( HxWxD ) |
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125 mm x 211 mm x 51 mm (4.9 x 8.3 x 2.0 in) |
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| Size (Sensors) ( LxDia ) |
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79 mm x 19 mm (3.1 x 0.75 in) |
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| Weight |
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| Calibration |
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Certificate of NIST-traceable NVLAP accredited temperature and humidity calibration included; As Found and As Left data supplied at three temperature points and three humidity points each at 20 °C (68 °F); Complies with NCSL/ISO/IEC 17025:2000 and ANSI/NCSL Z540-1-1994 |
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