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Pulsar Measurement operates a policy of constant development and improvement and reserves the right to amend technical details, as necessary. The IMP Lite shown on the cover of this manual is used for illustrative purposes only and may not be representative of the actual IMP Lite supplied.
Dimensions .......................... 11 Cable Entry ........................... 14 Preparation for Operation ..................... 15 Maintenance ........................15 Chapter 3 How To Use Your IMP Lite ................16 Operating the Controls ....................16 Using the Menu System ....................18 Parameter Defaults ......................19 Chapter 4 Getting Results From Your IMP Lite ............
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PULSAR MEASUREMENT P860 Sound Velocity ......................33 Stability (StA) Menu ......................34 System (SyS1) Menu ......................34 Test (tESt) Menu ........................ 35 Chapter 6 Troubleshooting ....................36 Chapter 7 Disposal ........................ 37 Transducers ......................... 37 Controllers..........................37...
IMP LITE INSTRUCTION MANUAL CHAPTER 1: START HERE… Congratulations on your purchase of a Pulsar IMP Lite Level Monitoring System. This quality system has been developed over many years and represents the latest in high technology ultrasonic level measurement and control.
‘fault condition’ alarm of either 3.5mA or 22mA. The IMP Lite lid has an integral LCD display and 4 buttons which are used for programming purposes when in Program Mode and as hot keys providing...
Via RJ11 port to RS232 using IMP PC software On-board programming Via 4 button keypad and a 4-digit LCD display SUPPLY Power supply 11 - 30V DC Pulsar Measurement Limited operates a policy of constant development and improvement and reserve the right to amend technical details, as necessary.
Pulsar Measurement. Power Supply Requirements The IMP Lite operates from a DC supply of 11 –30V and will typically draw less than 0.06A. The compact one-piece construction of the IMP Lite can be mounted easily using the integral nose thread (1.5"...
PULSAR MEASUREMENT Dimensions The dimensions of the IMP Lite are shown below: 1” BSP/NPT – IMP Lite 3 & 6 2” BSP/NPT – IMP Lite 10...
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(2"BSP/NPT). Care should be taken to ensure that the IMP Lite is not installed in direct sunlight, to avoid errors in the measurement of ambient temperature. Attention should also be taken, when mounting the unit, to ensure that strong windy conditions are avoided, wherever possible, to prevent abnormal operation.
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PULSAR MEASUREMENT Standpipe installations When mounting the IMP Lite to a standpipe care should be taken to ensure that the standpipe is of sufficient diameter with reference to its length, see the table below for details: DIA. (D) L = BLANKING...
IMP LITE INSTRUCTION MANUAL Cable Entry The IMP Lite Series has two M16 cable entries, fitted with a suitable gland, to ensure moisture protection is maintained. Terminal Connection Details Wiring details are also given on the terminals under the access cover.
Loop Resistance The maximum cable resistance allowable can be calculated from the graph below. For example, if an IMP Lite were supplied from a 24VDC, the maximum total cable resistance is 590 ohms, for a typical 77 ohm /km cable this would mean a maximum cable length of 590/77 = 7.6km, remember this...
Mode. Run Mode This mode is used once the IMP Lite has been set up in program mode. It is also the default mode that the unit reverts to when it resumes operation after a power failure. When the IMP Lite is switched on for the first time, it will display, in P104 Measurement Units, the distance from the transducer face to the target.
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The ESC key can be used to go back to the previous digit. Finally, when you have selected all digits pressing the ENTER key again will input the selected pass code to the IMP Lite, if successful the display will show APP (Application). If, however you input the wrong pass code the IMP Lite LCD...
When you have finished, press CANCEL to go back to the previous level. When you have reached the top level, then the IMP Lite will ask for confirmation before allowing you to go back into run mode. This is done by...
Factory Defaults P930, as described in Chapter 5 Parameter Guide. When you first switch the IMP Lite on, it will be reading the distance from the face of the transducer to the material surface. It will be indicating in...
Using the 4-20 mA Output The mA output can be used to monitor remotely what the IMP Lite is showing, so it can be displayed remotely, integrated into a PLC, or used to generate a record using a chart recorder or similar.
Setting Security Passcodes A passcode is used to switch the IMP Lite from Run Mode into Program Mode. You can set a new passcode to prevent anyone changing any of your settings within your IMP Lite.
If you need to identify the serial number of the unit or the current level of software in your IMP Lite, whilst in Run Mode press the ESC button and the serial number along with the software revision will be displayed.
PULSAR MEASUREMENT CHAPTER 5 PARAMETER LISTING AND DESCRIPTIONS Parameter Listing This chapter describes all the parameters contained within the IMP Lite. Application (APP) Menu P100 Mode of Operation This parameter sets the mode of operation, when in run mode, and can be...
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This parameter is the distance from the face of the transducer that is not measurable and is pre-set to the minimum value dependant on the version of IMP Lite being used. It should not be set to less than this figure but can be increased.
PULSAR MEASUREMENT Volume (UoL) Menu P600 Vessel Shape This parameter determines which vessel shape is used when utilising “Volume Conversion”. The choices are as shown in the table below, along with the dimensions that are required to be entered (P601-P603).
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IMP LITE INSTRUCTION MANUAL VESSEL SHAPE P600 VALUE DESCRIPTION DIMENSIONS Cylinder diameter P600 = 4 Parabola Base and height of bottom P600 = 5 Flat Sloped Base Cylinder diameter Cylinder diameter P600 = Flat Sloped Base and height of bottom...
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PULSAR MEASUREMENT P600 VALUE VESSEL SHAPE DIMENSIONS DESCRIPTION P600 = 10 Sphere Sphere diameter No dimensions required as level, *P600 = 11 Universal linear and volume breakpoints are used No dimensions required as level, *P600 =12 Universal curved and volume...
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P604 Calculated Volume This parameter displays the maximum volume that has been calculated by the IMP Lite and is a Read Only parameter. The volume displayed will be shown in cubic meters and is the total volume available between empty...
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P607 Max Volume This parameter displays the actual maximum volume that has been calculated by the IMP Lite, i.e., P604 Calculated Volume x P606 Correction Factor, and is a Read Only parameter. The volume displayed will be shown in P605 Volume Units and is the total volume available between empty...
IMP LITE INSTRUCTION MANUAL Display (DiSP) Menu P800 Display Units This parameter determines whether the reading displayed is in Measurement Units (P104), or as a percentage of span. OPTION DESCRIPTION 1 = Measured (Default) Display in Measurement Units (P104) 2 = Percentage...
PULSAR MEASUREMENT mA Output (LOOP) Menu P834 mA Low Level This parameter sets, in Measurement Units (P104), the value of ‘level’, ‘distance’ or ‘space’, depending on the selected Mode of Operation (P100), at which 4mA will occur. P835 mA High Level This parameter sets, in Measurement Units (P104), the value of ‘level’,...
IMP LITE INSTRUCTION MANUAL Compensation (CoP) Menu P851 Measurement Offset The value of this parameter is added to the measured distance, in Measurement Units (P104). This Offset will be added to the level, as derived from the transducer, and will affect everything including the reading on the display, the relay setpoints and the mA output.
PULSAR MEASUREMENT P860 Sound Velocity This option allows for the velocity of sound to be changed according to the atmosphere the transducer is operating in. By default, the velocity is set for 342.72m/sec which is the speed of sound travelling in air at a temperature...
IMP LITE INSTRUCTION MANUAL Stability (StA) Menu Damping Damping is used to damp the display, to enable it to keep up with the process but ignore minor surface fluctuations. P870 Fill Damping This parameter determines the maximum rate at which the unit will respond to an increase in level.
(including the DATEM trace) and on completion Stor (Store) will be displayed after which you can ESC out of this parameter and continue programming the IMP Lite for the required application.
IMP LITE INSTRUCTION MANUAL CHAPTER 6 TROUBLESHOOTING This section describes many common symptoms, with suggestions as to what to do. SYMPTOM WHAT TO DO Display blank, transducer Check power supply not firing. No valid echo being received, and unit has gone into fault condition.
PULSAR MEASUREMENT CHAPTER 7 DISPOSAL Incorrect disposal can cause adverse effects to the environment. Dispose of the device components and packaging material in accordance with regional environmental regulations including regulations for electrical \ electronic products. Transducers Remove power, disconnect the Transducer, cut off the electrical cable and dispose of cable and Transducer in accordance with regional environmental regulations for electrical \ electronic products.
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