Dwyer HM28 User Manual
Page 11
11
Linearity, hysteresis and
repeatability
(10 °C to 35 °C)
± 0,2 % F.S.
(50 °F to 95 °F)
(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
(23 °F to 122 °F)
Storage temperature
-20 °C to 60 °C
(-4 °F to 140 °F)
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
Operating time (battery) appr. 70 h
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
measurements
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. ports
hose 4/6 mm or
NPT 1/8"
Case dimensions
152x83x34/29 mm
Weight incl. battery
270 g
mbar
x
x
x
bar
x
x
x
Pa
x
-
-
kPa
x
x
x
hPa
x
x
-
MPa
-
x
x
mmH
2
O
x
x
-
mH
2
O
-
-
x
mmHg
x
x
-
psi
x
x
x
inH
2
O
x
x
x
inHg
x
x
-
up to 7 bar 10 to 30 bar 70 bar
Units
Measuring ranges