|
Specifications |
|
Operating Range |
0°C
to 50°C (32°F to 122°F); 0% R.H. to 100% R.H. |
|
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 R.H. Accuracy ("H")
Model) |
±1.5% R.H. from 20% R.H. to 70% R.H. |
|
Calibrated Temperature Accuracy
("S") Model) |
±0.25°C from 15°C to 35°C
(±0.45°F from 59°F to 95°F) |
|
Calibrated R.H. Accuracy ("S")
Model) |
±2% R.H. from 20% R.H. to 70% R.H. |
|
Expected Extrapolated Performance
(Uncertified) |
±0.5°C (±0.9°F) outside calibration range,
±3% R.H. outside calibration range. |
|
Data 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% R.H. for ±5% changes within 20% R.H. to
70% R.H. |
|
R.H. 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
date/time-stamped readings |
|
Alarms |
Password-protected
visual, audible, and external alarms for temperature, temperature
rate, R.H., R.H. rate, and Fault conditions. |
|
Alarm Port Output |
2.5mm two-conductor
subminiature plug, OV normal, 11V to 12V active, sources up to
20mA. |
|
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. 1mW
transmit power, 30 meters (100ft) typical unobstructed range; can
be disabled. |
|
Mounting |
Wall mounted
(hardware included) or set on a bench top. |
|
Power |
12 volt DC from
external 100/240V AC 50/60Hz supply |
|
Battery Backup |
Standard 9 volt
battery enables continued measuring during power disruptions |
|
Size (DewK) |
125mm (H) x 211mm
(W) x 51mm (D) |
|
Size (Sensors) |
79mm (L) x 19mm
(Dia) |
|
Weight |
0.7kg |
|
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), 200Mb HDD space for
installation (additional free space recommended for data storage),
CD-ROM drive for installation. |