The “DewK” Thermo-Hygrometer - Fluke Calibration Instruments - Hart Scientific - #4

0 °C to 50 °C (32 °F to 122 °F); 0 %RH to 100 %RH

± 0.125 °C from 16 °C to 24 °C (± 0.225 °F from 60.8 °F to 75.2 °F)

± 0.25 °C from 15 °C to 35 °C (± 0.45 °F from 59 °F to 95 °F)

± 1.5 %RH from 20 %RH to 70 %RH

± 2 %RH from 20 %RH to 70 %RH

± 0.5 °C (± 0.9 °F) outside calibrated range ± 3 %RH outside calibrated range

± 0.025 °C for ± 1 ° changes within 15 °C to 35 °C (± 0.045 °F for ± 1 ° changes within 59 °F to 95 °F)

User selectable up to 0.001 °C/°F on front-panel display (0.01° recorded)

± 1.0 %RH for ± 5 % changes within 20 %RH to 70 %RH

User selectable up to 0.01 % on front-panel display (0.1 % recorded)

Up to two sensors, measure temperature and relative humidity, detachable, cable-extendable, interchangeable, self-contained calibrations, may be as­signed unique 16-character identifications

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

400,000 typical individual date/time-stamped readings

Password-protected visual, audible, and external alarms for temperature, temperature rate, RH, RH rate, and fault conditions

2.5 mm two-conductor subminiature plug, 0 V normal, 11 to 12 V active, sources up to 20 mA

Ethernet, RS-232, RF (optional)

RJ45 jack, 10 Base-T or 100 Base-TX; static or dynamic (DHCP client) IP ad­dress assignment

Embedded web page interface features: instrument identification, measure­ments, password-protected terminal page; can be disabled

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

Wall mounted (hardware included) or set on a bench top

12 V dc from external 100 to 240 V dc power supply

Standard 9 V battery enables continued measuring during power disruptions

125 mm x 211 mm x 51 mm (4.9 x 8.3 x 2.0 in)

79 mm x 19 mm (3.1 x 0.75 in)

0.7 kg (1.5 lb)

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

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