© 2019 OJ Electronics A/S
TECHNICAL DATA
Power consumption .................................. 0.5 W
Output ......0-10 V=, 2-10 V=, 0-20 mA, 4-20 mA
Measuring range, pressure ................. 0-2500 Pa
Accuracy * .........................0.5% *MV ± 2.5% Pa
Maximum pressure ...................................20 kPa
Maximum load
0 – 10 V= ................................................. >2.5kΩ
0 – 20 mA ...............................................<=450Ω
Housing dimensions (h×w×d) ... 91 × 75 × 38mm
Cable dimension ................................. ø3-10 mm
Connection
VCH-3202-DI,
......4 x Screw term,
max. 1.5 mm²
Pressure tubes ................................ 2 × ø6,2 mm
Environment data
Operating temperature ........................................
-20°C to +40°C (continuous) **
Operating humidity ...............10%RH to 95%RH,
non-condensing
Operating altitude ...................................≤2000m
Enclosure rating ............................................IP54
Weight ........................................................110 g
*
Note: MV stands for Measured Value
** Note: Ambient temperature affects the LCD
display speed and contrast
SERVICE AND MAINTENANCE
VCH-x2xx-DI contains no components which
require service or maintenance.
Please contact your supplier if faults arise.
DISPOSAL AND ENVIRONMENTAL
PROTECTION
Help protect the environment by disposing of
the packaging and redundant products in a
responsible manner.
Product disposal
Products marked with this symbol
must not be disposed of along with
household refuse but must be deliv-
ered to a waste collection centre in
accordance with current local regula-
tions.
OJ Electronics A/S
Stenager 13B · 6400 Sønderborg · Denmark
Tel. +45 73 12 13 14 • Fax +45 73 12 13 13
[email protected] • www.ojelectronics.com
CE MARKING
Regulations
OJ Electronics A/S herewith declares that the
product is in conformity with the following direc-
tives of the European parliament:
LVD - Low Voltage Directive
EMC - Electromagnetic Compatibility
RoHS - Restriction of the use of certain Hazard-
ous Substances
WEEE - Waste Electrical and Electronic Equip-
ment directive
Applied standards
EMC emission
EN 61000-6-3
EMC immunity
EN 61000-6-2
TROUBLESHOOTING
Symptom
Cause
Action
Fluctuations at output
P-band or I-time set to low
Enter higher values at the P-
Band or I-time menu
Front LED toggles between red
and green
Greater fluctuation than the
Dead band allows
Raise the value at the Dead
band menu
Error code E101 displayed
Pressure element out of range
Check for clogged filters
Error code E102 displayed
Pressure element temperature
out of range
Check external heating or cool-
ing units
Error code E103 displayed
Pressure element defective
Replace VCH
Negative measured value
displayed
Tubes interchanged
Exchange tubes on plus (+) and
minus (-) tube connectors
Measurement deviation
VCH positioned where tem-
perature is out side specified
temperature range
Adjust ambient temperature to
range specified in these instruc-
tions
No or reduced pressure at
measuring point
Check that pressure measure-
ment tubes are correctly fitted
Zero pressure at measuring
points
Check connection to fan
Zero point deviation
Zero calibration not carried out
Depressurise VCH, if neces-
sary by removing both pressure
tubes and carry out zero
calibration
2
Supply voltage
...............24V~/= ±15%, 50/60 Hz
