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Operating instructions
LCD frequency meter/tachometer
Type CXL 22
The battery-powered LCD-frequency meter/ tachometer
CXL 22 can be used for various applications. Typical
uses are for example: tachometer, flow rate meter, pro-
duction measurement per time, etc.
Overview
Type
Mode
CXL221VHX
Tachometer
CXL221VJX
Table 1
Main technical features:
Display:
LCD, 8 decades, height of the figures 8 mm
Display range:
0 ... 99999999 with leading
zeros suppression
Display unit:
1 s
Max. frequency (Pulse/pause: 1:1):
12 kHz
Min. frequency:
1 Hz
Display refresh:
1 s
Measuring principle:
The tachometer operates via the gate
measuring method. The incoming pulses are
counted during a measuring time of 1 s and
recalculated in order to display 1/s.
Accuracy:
< 0,05 %
Housing: Panel mounting, 48 x 24 mm
according to DIN 43 700, RAL 7021
Panel cut-out:
22,2
+0,3
x 45
Mounting depth:
approximately 48 mm
Counting inputs
INP A
00 ... 0,7 V DC
04 ... 30 V DC
+0,6
mm
They are controlled by means of dry contacts or volta-
ge pulses. The device displays the measured frequen-
cy in the unit 1/s.
INP B
NPN
07 kHz 00 ... 0,7 V DC
PNP
12 kHz 04 ... 30 V DC
Options:
x = N: no backlight
x = L: with backlight
Weight:
approximately 50 g
Protection level:
IP65 on the front side
Connection:
Screw terminals, RM 5.00, 8 poles
Rated cross-section: 4,0 mm
Connection diameter:
EMC:
Interference emissions EN55011 Class B
Interference resistance EN 61000-6-2
Power supply:
Non-replaceable lithium battery
(lifetime approximately 8 years at 20°C)
Working temperature:
–10 ... +55 °C, relative humidity < 85%,
without condensation
Operating temperature:
–10 ... +60 °C
Storage temperature:
–20 ... +70 °C
Backlighting:
must be powered by an external
elecrical source
(24 V ±20%, 50 mA)
NPN
PNP
2
single-wire
2,5 mm
2
thin wire
AWG 12
0,4 ... 2,3 mm single-wire
AWG 28-12
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