21
e
25 mbar
1)
d,g
0.001
125 mbar
70 mbar
1)
d,g
0.01
350 mbar
200 mbar
1)
d,g
0.01
1500 mbar
300 mbar
1)
d,g
0.01
1500 mbar
500 mbar
1)
d,g
0.1
4000 mbar
1000 mbar
1)
d,g
0.1
4000 mbar
1100 mbar
a
0.1
4000 mbar
2000 mbar
1)
a,d,g 0.1
7000 mbar
7 bar
2)
a,d,g 0.001
17 bar
10 bar
3)
d,g
0.001
27 bar
17 bar
3)
d,g
0.001
27 bar
30 bar
g
0.01
70 bar
70 bar
g
0.01
140 bar
Media-compatible types
1000 mbar
g
0.1
2000 mbar
2000 mbar
g
0.1
4000 mbar
7 bar
g
0.001
14 bar
10 bar
g
0.001
34 bar
17 bar
g
0.001
34 bar
30 bar
g
0.01
70 bar
70 bar
g
0.01
140 bar
Conversion factors
1 mbar = 0,1
kPa
1 mbar = 0,0010 bar
1 mbar = 10,20
mmH
2
O
1 mbar = 0,7501 mmHg
1 mbar = 0,0145 psi
1 mbar = 0,4015 inH
2
O
1 mbar = 0,02953 inHg
1 mbar = 1,0
hPa
max. loading capability
Resolution
Type of pressure
Measuring
range
Linearity, hysteresis and
repetition accuracy
(10 °C to 35 °C)
± 0,2 % F.S.
(standard) ± 1 digit
± 0,1 % F.S.
(option) ± 1 digit
± 0,05 % F.S.
(option) ± 1 digit
(according to
measuring range)
Operating temperature -5 °C to 50 °C
Storage temperature
-20 °C to 60 °C
Humidity
30 to 95 % rH
Case protection class
IP 54
Power supply
9 V-battery (IEC
6LR61) or
accumulator
regulated plug-in
mains supply unit
(7 to 14 VDC)
Current consumption
<9 mA
Baud rate RS232
9600/4800/2400/
1200 baud
Measuring rate in RS232- mode
-Class 0,2
20 measurements/s
-Class 0,1 and 0,05
10 measurements/s
Measuring rate,
2 ½ or
normal mode
5 measurements/s
Memory capacity
max. 964
measured values
Memory interval
manual,
1,5,10,20,30,60 s
2,3,5,10,30,60 min
Display
LCD matrix,
2 lines of 16
characters
Pneum. connection
hose 4/6 mm or
NPT 1/8"
Case dimensions
152x83x34/29 mm
Weight incl. battery
270 g
4.2
Measuring ranges
a = absolute pressure
d = differential pressure
g = relative pressure
1) max. pressure statically = 7 bar
2) max. pressure statically = 17 bar
3) max. pressure statically = 27 bar
11
d
Linearität, Hysteresis und
Wiederholgenauigkeit
(10 bis 35 °C)
± 0,2 % v.E.
(Standard) ± 1 Digit
± 0,1 % v.E.
(Option) ± 1 Digit
± 0,05 % v.E.
(Option) ± 1 Digit
(je nach Messbe-
reich)
Betriebstemperatur
-5 °C bis 50 °C
Lagertemperatur
-20 °C bis 60 °C
Feuchtigkeit
30 bis 95 % rF
Gehäuseschutzart
IP 54
Stromversorgung
9 V-Batterie (IEC
6LR61) oder Akku
geregeltes Stecker-
netzgerät
(min. 7/max. 14 VDC)
Stromaufnahme
<9 mA
Baudrate RS232
9600/4800/2400/
1200 baud
Messrate bei RS232- Betrieb
-Klasse 0,2
20 Messungen/s
-Klasse 0,1 u. 0,05
10 Messungen/s
Messrate Modus
2 ½ bzw.
Normal
5 Messungen/s
Speichergrösse
max. 964 Messwerte
Speicherintervall
manuell,
1,5,10,20,30,60 s
2,3,5,10,30,60 min
Anzeige
LCD-Matrix, 2 Zeilen
zu 16 Zeichen
Pneum. Anschluss
Schlauch 4/6 mm
bzw. NPT 1/8"
Gehäusegrösse
152x83x34/29 mm
Gewicht inkl. Batterie 270 g
25 mbar
1)
d,g
0.001
125 mbar
70 mbar
1)
d,g
0.01
350 mbar
200 mbar
1)
d,g
0.01
1500 mbar
300 mbar
1)
d,g
0.01
1500 mbar
500 mbar
1)
d,g
0.1
4000 mbar
1000 mbar
1)
d,g
0.1
4000 mbar
1100 mbar
a
0.1
4000 mbar
2000 mbar
1)
a,d,g 0.1
7000 mbar
7 bar
2)
a,d,g 0.001
17 bar
10 bar
3)
d,g
0.001
27 bar
17 bar
3)
d,g
0.001
27 bar
30 bar
g
0.01
70 bar
70 bar
g
0.01
140 bar
Medienkompatible Typen
1000 mbar
g
0.1
2000 mbar
2000 mbar
g
0.1
4000 mbar
7 bar
g
0.001
14 bar
10 bar
g
0.001
34 bar
17 bar
g
0.001
34 bar
30 bar
g
0.01
70 bar
70 bar
g
0.01
140 bar
4.2
Messbereiche
Umrechnungsfaktoren
1 mbar = 0,1
kPa
1 mbar = 0,0010
bar
1 mbar = 10,19716 (4°C) mmH
2
O
1 mbar = 0,75006
mmHg
1 mbar = 0,01450376
psi
1 mbar = 0,401463 (4°C) inH
2
O
1 mbar = 0,0295301 (0°C) inHg
1 mbar = 1,0
hPa
a = Absolutdruck d = Differenzdruck
g = Relativdruck
1) max. statischer Druck = 7 bar
2) max. statischer Druck = 17 bar
3) max. statischer Druck = 27 bar
max. Belastbarkeit
Auflösung
Druckart
Messbereich
Summary of Contents for HM28
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