Kamstrup 66-99-279, Руководство оператора, Страница: 5 / 32

5
Pulse tester 1.
introduction 1.1
PULSE TESTER, type no. 66-99-279, is espe-
cially designed for use during the verifica-
tion process. The tester has the following
functions:
Galvanically separated pulse outputs •
Integral supply for ULTRAFLOW • ®
LC-Display with counter •
An externally managed “Hold” function •
Can be fitted directly onto MULTICAL •
®
base (Type 66-)
technical data for pulse tester 1.2
Pulse inputs (M1/M2)
Counter inputs Max. frequency: 128 Hz
Active signa
Amplitude: 2.5 - 5 Vpp
Pulse duration
>
1 msec.
Passive signal Intern pull-up 680 k
Ω
Internal supply 3.65 V lithium battery
Connection
(M1) 9:
Red 10:
Yellow 11:
Blue
Connection
(M2) 9:
Red 69:
Yellow 11:
Blue
NB: There are one or two pulse inputs/
outputs depending on the base unit.
Flow meter with transistor output 1.
The transmitter is typically an opto
coupler with FET or transistor output.
This is connected to terminals 10 and
11 for water meter M1 or terminals 69
and 11 for water meter M2. The transi-
stors leak current must not exceed 1
µ
A
when switched OFF. U
CE
when switched
ON must not exceed. 0.5 VDC.
Flow meter with relay or reed switch 2.
output
The transmitter is a reed switch,
typically on a vane wheel or Woltmann
meters, or relay output from MID-meter
or similar. This type of transmitter
should not be used, as the quick pulse
input may give rise to problems due to
bouncing.
Flow meter with active pulse output, 3.
supplied by the pulse tester
This connection can be used with
either KAMSTRUP’s ULTRAFLOW
®
or
KAMSTRUP’s electronic pick-up for vane
wheel meters.
Flow meter with active output and own 4.
supply
Flow meters with active signal output
should be connected as shown in fig. 1,
pt 4. The signal level must be between
3.5 and 5 V. Larger signal levels can be
connected via a passive voltage divider,
e.g. on 47 k
Ω
/10 k
Ω
at 24 V signal
level.
English