| Measuring technology |
Fast Response Quartz Crystal Microbalance |
| Calibrated Range |
0.1 to 700ppmv |
| Measurement range |
0.1 to 2000ppmv |
| Accuracy |
±10% of reading from 1 to 2000ppmv
±0.1ppmv between 0.1 & 1ppmv |
| Repeatability |
±5% of the reading from 1 to 2000ppmv
±0.1ppmv between 0.1 & 1ppmv
|
Limit of detection
|
0.1ppmv
|
| Available units |
ppmv, ppmw, mg/Nm3, vapor pressure (Pa), dew point (°C), lb/MMscf
|
| Response speed |
T63 <2 mins to step change in either direction
T95 <5 mins to step change in either direction |
| Self verification |
Internal moisture generator source calibrated traceable to NPL & NIST
|
| Sensitivity |
0.1ppmv or 1% of reading, whichever is greater |
Elektriksel Özellikler
|
| Supply voltage |
85 to 264 V AC, 47/63Hz or 24 V DC (ATEX / IECEx)
24 V DC only (CSAus) |
| Alarms |
Indoor system: 80W
Outdoor system: 180W |
| Analog signals |
1 x system alarm, volt-free change-over (FORM C)
3 x process alarms, selectable for various parameters, volt free changeover (FORM C) |
| Communications |
RS485 ModBus RTU
2 x 4–20 mA or 1–5 V (selectable)
Maximum load resistance 500 Ω for 4–20 mA and minimum load of 1M Ω for 1–5 V |
| Data logging |
Logs at 1 to 10 min intervals for a 24hr period
|
| Local interface |
7” color LCD with touch-screen keypad |
| Electrical connections |
M20 entries for cable glands
|
Çalışma Koşulları
|
| Inlet Pressure |
3 barg |
| Outlet Pressure |
2 barg |
Sample Flow
|
300ml/min total flow
|
| Sample Gas Temperature |
0 to +100°C
|
| Operating Environment |
Analyzer only: +5 to +45°C up to 90% RH
Analyzer in sampling system: –20 to +55°C up to 95% RH
(fitted with heater/thermostat and/or enclosure cooling as appropriate to maintain +5 to +45°C internal temperature) |
Mekanik Özellikler
|
Type
|
GUB Flameproof Exd |
| Enclosure |
Lid & body: Cast copper-free aluminum LM25 (EN AC-42000), less than 0.6 magnesium
Glass window: Heat resistant, explosion proof, polyester coated, IP66, NEMA 4 |
| Gas connections |
1/4” NPT(F) |
| Weight |
35kg without sampling system |
| Sample system enclosure |
316L stainless steel |
Sertifikalar
|
Hazardous area certification
|
ATEX: II 2 GD Ex d IIB+H2 T4 Gb Ex tb IIIC 130°C Db (-40 to +45°C)
and
II 2 GD Ex d IIB+H2 T3 Gb Ex tb IIIC 195°C Db (-40 to +55°C)
IECEx: Ex d IIB+H2 T4 Gb Ex tb IIIC 130°C Db (-40 to +45°C)
and
Ex d IIB+H2 T3 Gb Ex tb IIIC 195°C Db (-40 to +55°C)
cCSAus (pending): Class I, Division 1, Groups B, C, & D, T4
Class II, Division 2, Groups E, F & G, T4 (–40°C to +55°C)
TC-TR: 1Ex d IIB+H2 T4 Gb X, 1Ex tb IIIC 130°C Db X
and
1Ex d IIB+H2 T3 Gb X, 1Ex tb IIIC 195°C Db X
|
