Manual
Version
Page
DB04A
EN A1-9
PKP Prozessmesstechnik
12
2. General device specifications
Media
(real gas calibration)
:
Air, O2*, N2*, He, Ar, CO2, H2, CH4, C3H8
(other gases and gas mixtures on request)
*O2 & N2 are calibrated with air.
Accuracy:
Standard:
±2.0% of full scale; Ranges > 200 ln/min ±3.0% of full scale
Option G:
±1.0% of full scale
(only G¼” instruments and real gas calibrations)
Dynamics:
Standard:
1:50 (Meter reads zero if flow is less than 1.7% of full scale)
Option G:
1:100 (Meter reads zero if flow is less than 0.83% of full scale)
Response time:
Maximum 300 msec (filter setting dependend)
Flow update by sensor
40 ms (Battery mode 500 ms)
Display update
240 ms (Battery mode 500 ms)
Repeatability:
±0.5% of full scale
Long-term stability:
< 1% of reading / year
Temperature coefficient:
< 0.025% FS measuring range type per °C
< 0.012% FS measuring range type per 1°F
Pressure coefficient:
< 0.2% / bar of reading (typical N2)
< 0.014% / psi of reading (typical N2)
Working pressure range:
0.2 - 11 bara
(
3
-
160 psia)
Test pressure:
16 bara (232 psia)
Storage conditions:
-20 to 80°C (-4 to 176°F), 0-95% RH, non-condensing
Temperature range:
0 – 50°C (32 bis 122°F), 0-95%, RH, non-condensing
Do not expose device to direct sun light.
Warm-up time:
< 5 sec. for full accuracy
Materials
Electronics housing:
ABS (Acrylnitril-Butadien-Styrol)
Body Material:
Anodized aluminium or stainless steel 1.4404 (316L)
Sensor area:
Silicon, glass, epoxy
Seal material:
FKM, optional EPDM (FDA compatable)
Wetted parts:
See appendix (see chapter
Wetted Parts List
)
Integration
Display:
Touch display 128x64 px
Backlighted only with external power supply (Micro-USB or 24 Vdc)
Process connection:
G¼" (BSPP* female) up to 60 ln/min,
G½" (BSPP* female) up to 450 ln/min
*British Standard Pipe Parallel
Inlet section:
None required
Mounting orientation:
Any position (consult manufacturer above 5 bara (72 Psia) if the
DB04A will be mounted vertical)
Connection cable:
For external power supply: 2 m with loose ends (fly leads)
