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10. WARRANTY

Laurel Electronics Inc. warrants its products against defects in materials or workmanship for a 
period of one year from the date of purchase.   

In the event  of a defect during the  warranty  period, the defective unit may be returned to the 
seller,  which  may  be  Laurel  or  a  Laurel  distributor.  The  seller  may  then  repair  or  replace  the 
defective unit at its option. In the event of such a return, freight charges from the buyer shall be 
paid by the buyer, and freight charges from the seller shall be paid by the seller. 

LIMITATION OF WARRANTY 

The foregoing warranty shall not apply to defects resulting from: 

1.

Improper installation or miswiring.

2.

2.

2.

2.

Improper or inadequate maintenance.

3.

Unauthorized modification or misuse.

4.

Operation outside the environmental specifications.

5.

Mishandling or abuse.

The  warranty  set  forth  above  is  exclusive  and  no  other  warranty,  whether  written  or  oral,  is 
expressed  or  implied.  Laurel  specifically  disclaims  implied  warranties  of  merchantability  and 
fitness for a particular purpose. 

Any  electronic  product  may  fail  or  malfunction  over  time.  To  minimize  risks  associated  with 
reliance  on  Laurel  products,  users  are  expected  to  provide  adequate  system-level  design  and 
operating  safeguards.  Laurel’s  products  are  intended  for  general  purpose  industrial  or 
laboratory  use.  They  are  not  intended  nor  certified  for  use  in  life-critical  medical,  nuclear,  or 
aerospace applications, or for use in hazardous locations. 

EXCLUSIVE REMEDIES

 

The remedies provided herein are Buyer’s sole and exclusive remedies. In no event shall Laurel 
be  liable  for  direct,  indirect,  incidental  or  consequential  damages  (including  loss  of  profits) 
whether based on contract, tort, or any other legal theory. 

Copyright 2010-2015, Laurel Electronics, Inc. 

 Rev 10 October 2015 

Summary of Contents for QLS-1

Page 1: ...d Output 4 20 mA Current Loop Splitter Retransmitter With 10V common mode isolation between input outputs ISE Inc 10100 Royalton Rd Cleveland OH 44133 USA Tel 440 237 3200 Fax 440 237 1744 Website ISE...

Page 2: ...loop loose their 4 20 mA signal The transmitter voltage compliance limit may be exceeded since the voltage drops across loads in series are additive Also the 4 20 mA signal to each load device cannot...

Page 3: ...48 Vdc power connector is colored Black This unit has no power switch It will be in operation as soon as power is applied To avoid dangers of electrocution and or short circuit do not attempt to open...

Page 4: ...al input connector on the circuit board The factory default input setting is 4 20 mA To change jumpers remove power then open the case by removing the screws at the four corners of the case Store the...

Page 5: ...y tied to signal ground SG which can be floating or be connected to earth ground Grounded loads Any output load R can be connected to a local loop ground LG instead of current return The loop grounds...

Page 6: ...marked Z for zero and S for span on the front panel The unit is factory jumpered and calibrated so that 4 20 mA in produces 4 20 mA out on all output channels To set or calibrate an output channel app...

Page 7: ...error at 23 C Span Tempco 10 ppm C 0 16 A C typical 25 ppm C 0 4 A C max AC Rejection 90 dB from DC to 60 Hz Response Speed 2 ms risetime 7 ms settling time to 0 1 of final value Current Test Point 10...

Page 8: ...Mishandling or abuse The warranty set forth above is exclusive and no other warranty whether written or oral is expressed or implied Laurel specifically disclaims implied warranties of merchantabilit...

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