Kipp & Zonen CT24 Manual de usuario
Kipp
Zonen
&
0305 360
24
SIGNAL AMPLIFIER 4 20 mA
INSTRUCTION MANUAL
1
INSTRUCTION MANUAL CT 24
IMPORTANT USER INFORMATION
Reading this entire manual is recommended for full
understanding of the use of this product
The exclamation mark within an equilateral triangle is intended to
alert the user to the presence of important operating and
maintenance instructions in the literature accompanying the
instrument.
Should you have any comments on the product or this manual we
will be pleased to receive them at:
Kipp & Zonen B.V.
Röntgenweg 1 2624 BD Delft Holland
P.O. Box 507 2600 AM Delft Holland
Phone +31 (0)15 2698000
Fax +31 (0)15 2620351
Kipp & Zonen reserve the right to make changes in the
specifications without prior notice.
IMPORTANT USER INFORMATION
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INSTRUCTION MANUAL CT 24
WARRANTY AND LIABILITY
Kipp & Zonen guarantees that the product delivered has been
thoroughly tested to ensure that it meets its published specifications.
The warranty included in the conditions of delivery is valid only if the
product has been installed and used according to the instructions
supplied by Kipp & Zonen.
User made modifications can affect the validity of the CE
declaration.
Kipp & Zonen shall in no event be liable for incidental or
consequential damages, including without limitation, lost profits, loss
of income, loss of business opportunities, loss of use and other
related exposures, however caused, arising from the faulty and
incorrect use of the product.
COPYRIGHT
©
2003KIPP & ZONEN
All rights reserved. No part of this publication may be reproduced,
stored in a retrieval system or transmitted in any form or by any
means, without permission in written form from the company.
IMPORTANT USER INFORMATION
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INSTRUCTION MANUAL CT 24
Declaration of Conformity
According to EC guideline 89/336/EEC 73/23/EEC
We Kipp & Zonen B.V.
Röntgenweg 1
2624 BD Delft
Declare under our sole responsibility that the product
Type: CT 24
Name: Solar Sensor Amplifier 4 – 20 mA
To which this declaration relates is in conformity with the following
standards:
Imissions EN 50082-1 Group standard
IEC 1000-4-2
IEC 1000-4-3
IEC 1000-4-4
Emissions EN 50081-1 Group standard
EN 55022
Safety standard IEC 1010-1
Following the provisions of the directive
CE DECLARATION OF CONFORMITY
B.A.H. Dieterink
President
KIPP & ZONEN B.V.
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INSTRUCTION MANUAL CT 24
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INSTRUCTION MANUAL CT 24
TABLE OF CONTENTS
WARRANTY AND LIABILITY 2
Declaration of Conformity 3
1. GENERAL INFORMATION 7
2. SPECIFICATIONS 9
3. CONNECTION OF THE CT 24 11
3.1 Minimising interference 12
3.2 Selecting the supply voltage 13
3.3 Connection for current output 13
4. NEGATIVE INPUT SIGNALS 17
5. CALIBRATION PROCEDURE 19
5.1 Standard calibration 19
5.2 Special calibration. 20
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INSTRUCTION MANUAL CT 24
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INSTRUCTION MANUAL CT 24
1. GENERAL INFORMATION
With the CT 24 it is possible to convert a low level voltage output
from a solar sensor to the standard level of 4 – 20 mA or (using the
supplied 500 Ohm resistor) to a 2 – 10 Volt signal.
The CT 24 amplifier is designed to use with Kipp & Zonen solar
sensors, to allow long cables between sensor and data logger
without external interference.
The large operation temperature range from - 30°C to + 70°C and
the waterproof housing (IP 65) makes that the CT 24 can be used
under the same conditions as all solar sensors.
The amplification can be adjusted from the standard 0 – 20 mV is
4 – 20 mA to a value that takes the calibration factor of the sensor
into account, like 0 – 1000 W/m² is 4 – 20 mA.
Even negative inputs are allowed through a positive shift of the zero
point from +4 to + 8 mA.
This allows for negative input signals of about 250 W/m² like a
pyrgeometer produces.
The CT 24 is protected against reversed polarity, voltage surges on
input and output lines and is shielded against EMF disturbance.
For pyranometers with temperature sensors there are special
connector strips in the CT 24 to connect these sensors from in going
to out-going cable.
GENERAL INFORMATION
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INSTRUCTION MANUAL CT 24
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INSTRUCTION MANUAL CT 24
2. SPECIFICATIONS
Power supply @ R
L
d125 :+12 to +30 VDC
Input range -5 to +20 mV
Gain adjust +0.5 to +1.0 mA / mV
Zero adjust +3 to +8 mA
Temperature range (operating) -30°C to +70°C
Housing Aluminium, grey lacquered
Dimensions W x D x H 64 x 58 x 34 mm
Water proof IP 65 / DIN 40050
Cable glands size 4 to 6,5 mm
Voltage output +2 to +10 V
SPECIFICATIONS
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