(user 
programmable and adjustable) 0.1% 
resolution  
 
Digital output   Full Duplex RS232  
Volt free contacts, number and rating   3 form "C" (SPDT) rated at 5A at 115V 
AC 
 
Display   6 digits plus 12-character text, plus bar 
graph with direction indicators, remote 
communicator identifier, and 
program/run/test mode indicators  
Programming 
On-board programming   By integral keypad  
PC programming   via RS232  
Remote programming   By optional infra-red communicator  
Programming security   Via passcode (user selectable and 
adjustable)  
Programmed data integrity   Via non-volatile RAM, plus backup  
Supply 
Power supply   115V AC + 5% / -10% 50/60 Hz,  
dc 18 - 30V (If using a battery then 
24V minimum 1AH, dependant on life 
required, externally fused with 1A fast 
blow fuse. 
10W maximum power (typically 6W) 
 
Overvoltage Category  II 
 
Fuses   
Mains (F1)   125 mA T at 115 VAC 
DC (Battery) (F2)  1A Thermal (self-resetting after power 
removed). Not user replaceable  
Transducer (F3, F5 Ch.1 & F4, F6 Ch. 2)   Littelfuse 242 series 100mA Part No. 
0242.100. This fuse is not user 
replaceable and has a 4000A breaking 
capability to comply with certification 
of the Exm version of dB series 
transducers. 
Remote Communicator 
Batteries  2 x AA alkaline batteries. Do not use 
NiCads. 
 
 
Pulsar  Process  Measurement  Limited  operates  a  policy  of  constant  development  and 
improvement and reserve the right to amend technical details as necessary.