通过测量水蒸气分压和溶剂的温度，根据亨利常数计算出流言蜚语碳化氢化合物中的微量水分；实现在丝测量，避免繁琐的实验室采样分析。
液态碳氢化合物的微水分析仪 产品详情
product featureseexd flameproof certified-atex and csacomplete hazardous area installationsingle or dual-channel measurements0.001 ppmw to saturation range capacitypre-programmed and user entered saturation concentration valuesremote global access options technical specification
main unit
channel configuration single and dual channel
moisture content ppmw
temperature °c and °f
water dew point °c and °f
sample flow rate status indication: low-good-high (<0.1->0.3 l/min)
sensor technology michell ceramic moisture sensor
temperature measurement thermistor-accuracy ±0.2°c
operating pressure 50 barg (max)
calibration range -100°c dp to +20°c dp
measurement range -120°c dp to +30°c dp (0.001 ppmw to saturation)
sample flow up to 1 l/min (0.1-0.2) recommended
accuracy dew point: ±1°c between –59.9 and +20°c dp
moisture content: ±10% of reading
dew point: ±2°c between –60 and -100°c dp
moisture content: ±20% of reading
analysis pressure: ±0.25% fs
resolution 0.1°c between +20°c dp and -80°c dp
1°c between -80°c dp and -100°c dp
temperature coefficient algorithm compensation
hmi
keypad interface capacitive touch-screen through glass
display vacuum flourescent
data logging two non-isolated 4-20 ma per measurement channel. 500 ω maximum load. parameter and range selectable by the user
communications and modbus: rtu @ 9600 baud-rate output
alarms: two volt-free contacts per channel; one for process value
alarm status also available via modbus communications
enclosure
type flameproof eexd
construction cast copper free aluminium (ip66)
finish chromate primer, polyester p9010 powder coated (black). meets bs3900
general
sample connections 1/4” npt (female)
weight 22.5kg
operating supply voltage 85 to 264 vac, 47 to 63 hz, 110 to 300 vdc, 180 w
operating environment -20°c to +60°c up to 95% rh, indoor or outdoor, shaded location
remote interface
indoor safe area installation up to 31 michell eexd process instrumentation range analyzers in any combination of models via modbus (optional)
host capacity modbus
display backlit color 15cm / 6” lcd
user interface integral mouse, on-screen keyboard
function view and modify analyzer operating settings. record parameters to file and view virtual chart recorder and analyzer diagnostics
ports lan, usb2
data download csv (comma separated variable) format for easy import to excel™
remote access opc (ole for process control) over a lan imbedded web page/unique ip address for pc access
power supply 100-280 v, 50/60 hz
hazardous area certification
atex certification: ii 2 g
code: eex d iib + h2 t4 (135°c) ip66 tamb -40 to + 60°c
certificate number: trl06atex21093x
ccsaus approved: div 1, class 1, group b, c, d
certificate number: 1722693