| Specifications |
| Operating Range |
0 °C to 50 °C (32 °F to 122 °F); 0 % RH to 100 % RH |
| Calibrated Temperature Accuracy (“H” Model) |
± 0.125 °C from 16 °C to 24 °C
(± 0.225 °F from 60.8 °F to 75.2 °F) |
| Calibrated temperature Accuracy (“S” Model) |
± 0.25 °C from 15 °C to 35 °C
(± 0.45 °F from 59 °F to 95 °F) |
| Calibrated RH Accuracy (“H” Model) |
± 1.5 % RH from 20 % RH to 70 % RH |
| Calibrated RH Accuracy (“S” Model) |
± 2 % 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 x 8.3 x 2.0 in) |
| Size (Sensors) ( LxDia ) |
79 mm x 19 mm (3.1 x 0.75 in) |
| Weight |
0.7 kg (1.5 lb) |
| Calibration |
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 |
| LogWare III (Optional Software) |
Requirements include: Microsoft® Windows® 2000 (SP4) or XP (SP2) operating system, IBM compatible Intel Pentium® IV 1 GHz PC processor or better, 512 Mb RAM (1Gb or more recommended), 200 Mb HDD space for installation (additional free space recommended for data storage), CD-ROM drive for installation |