BUSCH VacTest GRP 100 Manual de usuario
Instruction Manual
VacTest
Vacuum Measurement Equipment
Analog Transmitter GRP 100-200
0870205301/-0001_en / Original instructions / Modifications reserved 24/08/2018
Busch Produktions GmbH
Schauinslandstraße 1, 79689 Maulburg
Germany
Table of Contents
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Table of Contents
1 Safety........................................................................................................................... 3
2 Product Description ..................................................................................................... 4
2.1 Product Identification ...........................................................................................4
2.2 Delivery Content ..................................................................................................4
2.3 Proper Use ........................................................................................................... 4
2.4 Improper Use ....................................................................................................... 4
3 Transport and Storage.................................................................................................. 4
4 Installation................................................................................................................... 5
4.1 Installation Conditions ..........................................................................................5
4.2 Vacuum Connection .............................................................................................5
4.3 Electrical Connection ............................................................................................7
4.3.1 Connecting to the Active Sensor Controller................................................7
4.3.2 I/O and Communication Port Schematic....................................................7
5 Operation .................................................................................................................... 8
5.1 Before Operation.................................................................................................. 8
5.2 Readjustment ....................................................................................................... 8
5.2.1 Readjustment by Pushbutton.....................................................................9
6 Maintenance and Service ............................................................................................. 10
7 Troubleshooting........................................................................................................... 10
8 Accessories .................................................................................................................. 11
9 Technical Data ............................................................................................................. 11
10 EU Declaration of Conformity ...................................................................................... 13
Safety | 1
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1 Safety
• Read and follow the instructions of this manual.
• Inform yourself regarding hazards, which can be caused by the product or arise in
your system.
• Comply with all safety instructions and regulations for accident prevention.
• Check regularly that all safety requirements are being complied with.
• Take account of the ambient conditions when installing your gauge. The protection
class is IP 40 for GPR 100 and IP 54 for GPR 200.
• Adhere to the applicable regulations and take the necessary precautions for the pro-
cess media used.
• Consider possible reactions between materials and process media.
• Consider possible reactions of the process media due to the heat generated by the
product.
• Before you start working, find out whether any of the vacuum components are con-
taminated.
• Adhere to the relevant regulations and take the necessary precautions when handling
contaminated parts.
• Communicate the safety instructions to other users.
This instruction manual highlights potential hazards where appropriate. Safety notes and
warning messages are tagged with one of the keywords DANGER, WARNING, CAU-
TION, NOTICE and NOTE as follows:
DANGER
... indicates an imminent dangerous situation that will result in death or serious injuries if
not prevented.
WARNING
... indicates a potentially dangerous situation that could result in death or serious injuries.
CAUTION
... indicates a potentially dangerous situation that could result in minor injuries.
NOTICE
... indicates a potentially dangerous situation that could result in damage to property.
NOTE
... indicates helpful tips and recommendations, as well as information for efficient and
trouble-free operation.
2 | Product Description
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2 Product Description
The analog transmitters GRP 100 and GRP 200 are piezoresistive vacuum gauges provid-
ing gas type independent pressure measurements.
Equipped with a robust sensor made of aluminium oxide ceramic, this device combines
high reliability and resistance to contamination.
2.1 Product Identification
The product model can be found on the product's nameplate. Technical modifications
are reserved without prior notification.
2.2 Delivery Content
Included in the delivery consignment are:
– Analog transmitter GRP 100 or GRP 200
– Protective cover
– Instruction manual
Available accessories, consult the chapter Spare Parts and Accessories.
2.3 Proper Use
The GRP 100 or GRP 200 serves exclusively to measure total pressure in a range of:
– 1400…1 mbar
The gauge is classified in electromagnetic interference class A and therefore can cause
radio interference in living quarters.
2.4 Improper Use
The use for purposes not mentioned above is regarded as improper, especially:
– Connection to pumps or units which are not suitable for this purpose according
to their operating instructions.
– Connection to units which have exposed voltage-carrying parts.
– Operation of the devices in areas with ionizing radiation.
No liability or warranty will be accepted for claims arising from improper use.
3 Transport and Storage
• Check the device for transport damage.
NOTICE
Devices without external protection.
Risk of damage to the device!
• The device must not come into contact with electrostatically chargeable materials and
must not be moved within electrical or high magnetic fields.
If a storage is planned:
• Seal the vacuum flange with the protective cover.
• Comply with the storage temperatures, see technical data.
Installation | 4
0870205301_GRP100-200_-0001_IM_en 5 / 16
• In rooms with moist or aggressive atmospheres, the device must be airproof shrink-
wrapped in a plastic bag together with a bag a desiccant.
4 Installation
CAUTION
Unauthorized modifications.
Risk to injury!
• Modifications or conversions of the gauge are not allowed.
4.1 Installation Conditions
• Make sure that the environment of the device is not potentially explosive.
• Make sure that the ambient conditions comply with the Technical Data [►11].
4.2 Vacuum Connection
CAUTION
Unintended opening of clamp with an overpressure in the vacuum system over 1000
mbar.
Risk to injury!
Damage to your health!
• Parts may fly around.
• Unsecured hose connections can release process media.
CAUTION
Overpressure in the vacuum system over 1500 mbar
Damage to your health!
The elastomer washers cannot withstand the pressure and can release process media.
• Use sealing rings with an outer centering ring.
NOTICE
Dirt and damage at the vacuum flange.
Impair the function of the gauge!
• Make sure that the flange is clean, dry and free of grease.
• When handling the instrument, make sure that the flange is protected against dirt and
damage.
• Remove the protective cover (is required again during maintenance work!).
• Connect the flange to the system.
Connection size:
– ISO KF 16
– G1/4 (female)
4 | Installation
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• Make sure that the sensor flange is connected to the ground.
Mounting position:
The installation position can be freely selected. The preferred position is a horizontal to
vertical position so that condensate and particles do not penetrate the measurement
chamber.
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Installation | 4
0870205301_GRP100-200_-0001_IM_en 7 / 16
4.3 Electrical Connection
NOTICE
Establish a connection using a live cable.
Risk of damage to the device!
• Only connect cables when de-energised.
4.3.1 Connecting to the Active Sensor Controller
For operation of the gauge with controller, a suitable measurement connection cable
must be used (see accessories).
NOTE
Connection to the controller can only be done with 0 ... 10 V analog transmitters.
SET
VacTest
www.buschvacuum.com
Active sensor
controller
CTR 002
Cables
Transmitters
With the controller CTR 002: up to 2 gauges can be connected.
USB
• Connect the cable from the controller to the gauge.
• Switch on the controller.
4.3.2 I/O and Communication Port Schematic
For GRP 100:
Connector:
Hirschmann, 6-pin, male
1
2
3
6
5
4
Pin no. Description Pin no. Description
1 Line-Terminating Resistor 2 Signal Output: 0 … 10 V
3 Signal Ground: AGND 4 Power Supply VCC: 15 … 30
VDC
5 Power Supply Common: GND 6 Ground
5 | Operation
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NOTE
"Ground" (Pin 6) and supply common (Pin 5) must always be grounded.
For GRP 200:
Connector:
Type M12 A, 5-pin, male
1 2
4 3
5
Pin no. Description Pin no. Description
1 N/A (do not connect) 2 Output 4 … 20 mA
3 Power Supply: +9 to +30 VDC 4 N/A (do not connect)
5 Ground
NOTICE
Incorrect supply voltage.
Risk of damage to the device!
• Make sure to supply a correct and admissible voltage.
NOTE
Maximum admissible load resistor in Ω:
(supply voltage (V) – 9 V) / 0.02 A
5 Operation
5.1 Before Operation
Warm-Up Time
The signal output of the gauge is available immediately after the is switched on.
5.2 Readjustment
The gauge is factory calibrated in upright position. Other orientations, different climatic
conditions, extreme temperature changes, ageing or contamination may necessitate re-
adjustment.
Operation | 5
0870205301_GRP100-200_-0001_IM_en 9 / 16
NOTE
Conduct adjustment at the same ambient temperature at which the device is typically
operated.
NOTE
For zero adjustment actual pressure should be less than 0.1 mbar.
NOTE
To achieve optimum results of the adjustment we recommend to consider a warm-up of
at least 5 minutes at the appropriate calibration pressure before any adjustment.
5.2.1 Readjustment by Pushbutton
• Refer to the Technical Data [►11] to know the output function of the gauge.
Readjustment on atmosphere or zero pressure can be done by means of the “Adj” push-
button of the gauge. The gauge will notice automatically which adjustment point is rel-
evant.
The adjustment at zero pressure is an offset compensation of the measurement signal.
NOTE
For zero adjustment, the real pressure must be less than 0.1 mbar.
An adjustment at zero pressure is only possible, if the gauge pressure reading is below
100 mbar.
The output signal of the GRP 100 at zero pressure should equal 1.000 V.
The output signal of the GRP 200 at zero pressure should equal 4.000 mA.
NOTE
For an adjustment at atmosphere pressure, real pressure and pressure reading of the
transmitter must be above 800 mbar.
The adjustment of the gauge should be done according its corresponding output func-
tion described in the technical data.
Adj Up Adj Down
GRP 100:
6 | Maintenance and Service
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Adj Up Adj Down
GRP 200:
• Remove the rubber caps above the “Adj” pushbuttons.
• Press the button “up” to increase the output signal or the button “down” to decrease
the output signal by means of a small screwdriver or similar tool.
If no further button is pressed after 5 s, the adjusted voltage or current is set.
• Reinsert the rubber caps.
6 Maintenance and Service
WARNING
Units contaminated with hazardous material.
Risk of poisoning!
Risk of infection!
If the unit is contaminated with hazardous material:
• Wear appropriate personal protective equipment.
The device requires no maintenance. External dirt and soiling can be removed by a damp
cloth.
Should a defect or damage occur on the device, please send the unit to us for repair and
fulfil the declaration of decontamination downloadable from www.buschvacuum.com.
NOTE
Malfunction of the unit, which is caused by contamination or wear and tear is not
covered by warranty.
7 Troubleshooting
Problem Possible Cause Remedy
High measurement error. Contamination, ageing,
extreme temperature,
maladjustment.
• Readjustment.
Output signal < 3.6 mA
or
Output signal < 0.5 V
Defective unit or sensor. • Send unit for repair.
Adjustment not possible Measurement error ex-
ceeds possible range of
readjustment.
• Send unit for repair.
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