Description
High Accuracy Temperature and Humidity Data Logger
The high-accuracy sensor (“H model) reads temperature to ? 0.125 ?C over a calibrated range of 16 ?C to 24 ?C. Relative humidity readings are to ? 1.5 % RH from 20 % RH to 70 % RH.
All DewK thermo-hygrometer sensors come with NVLAP accredited certificates of calibration for both temperature and humidity, complete with data and NIST traceability.
Features:
Superior accuracy
Network enabled
Powerful logging and analysis tools
Two interchangeable calibrated sensors
Huge memory
Upgraded software
Specifications:
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
Click here for complete specifications on the Fluke 1620A-H-156
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