BUSCH VACTEST TTP 900 Instruction Manual
Mobile gauge vacuum measurement equipment
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Summary of Contents for BUSCH VACTEST TTP 900
- Page 1 Mobile Gauge Vacuum Measurement Equipment VACTEST TTP 900 Instruction Manual 0870205880 | -0002_en-US | Original instructions 2024/12/03...
- Page 2 Table of Contents Table of Contents Safety ..................................VACTEST TTP 900 ..............................For Orientation ..............................Delivery Content..............................Product Description ............................Proper Use ................................Improper Use............................... Overview................................Installation................................Notes for Installation ............................Vacuum Connection............................Sensor Connection .............................. Electrical Connection ............................3.4.1 Battery Operation..........................
- Page 3 Safety | 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. ●...
- Page 4 PC or record measurements online on PC as well. Measurement Principle The VACTEST TTP 900 is operated with an external Pirani sensor, which uses the heat conduction of gases for measuring vacuum. In a bridge circuit the filament is heated to constant temperature, the necessary bridge voltage is a measure for total gas pressure.
- Page 5 VACTEST TTP 900 | 2 Proper Use NOTE The device is not designed for use in a corrosive atmosphere! Dust, oil or condensing vapours will affect sensor performance and may cause malfunctions! Aggressive media such as halogenides, carbon or oxygen plasma can reduce the devices life-...
- Page 6 2 | VACTEST TTP 900 Overview Description Battery Compartment Cover Pressure Unit Mode-Key Mains Adapter Connection 12…15 VDC = 50 mA, Jack 2.5 mm (+ on top) Operation Mode Renew Battery Indication Pressure Display Refresh: 1.0s USB Interface 100 – 1.0-3 mbar "ur": <...
- Page 7 Installation | 3 Installation CAUTION Unauthorized modifications. Risk to injury! ● Modifications or conversions of the gauge are not allowed. Notes for Installation Installation location: Indoor For not fully air conditioned open buildings and operation rooms: Temperature: +5 °C ... +50 °C Rel.
- Page 8 3 | Installation 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 to 4000 mbar Damage to your health!
- Page 9 Installation | 3 Sensor Connection The external Pirani sensor is connected to the connector of the spiral cable. Connector Type: Type Binder Series 713, 4pin, female Pin No. Description Pin 1 PTC (KTY110, 2kΩ/20°C) Pin 2 PTC (KTY83-110, 1kΩ/20°C) Pin 3 Filament Pin 4 Electrical Connection...
- Page 10 3 | Installation NOTICE Inferior or damage batteries may leak gas or liquid under vacuum. Risk of damage to the gauge! ● If it is intended to expose the entire gauge to vacuum, seek confirmation from the battery suppli- er that the battery is vacuum proof. NOTE Low battery power is indicated by the ‘’BAT’’...
- Page 11 Installation | 3 Pin No. Description Pin 1 Jack Plug 2.5mm,12…15 VDC Pin 2 AGND CAUTION Device is not grounded properly, when using external power supply. Fluctuating pressure readings can occur! ● Use a metal clamp to connect the vacuum chamber to a grounded surface. NOTE The battery can remain in the gauge when the external power supply is used.
- Page 12 4 | Operation Operation Pressure Measurement Short-Term Operation (Auto-Off Mode) ● To perform this operation, press the Mode-Key. When you press the key, the actual pressure is displayed on the gauge screen, as shown below. After 20 seconds the vacuum meter is automatically switched off. Continuous Operation (Cont.
- Page 13 Operation | 4 When you press the key, the actual pressure is displayed on the gauge screen, as shown below. After 20 seconds the vacuum meter is automatically switched off. Stored Maximum Pressure ● To perform this operation, press the Mode-Key again, below data displays on the gauge screen. After two more seconds the stored maximum pressure is displayed on the gauge screen as shown below.
- Page 14 4 | Operation Delete Memory ● To perform this operation, press Mode-Key again, below data displays on the gauge screen. After pressing the Mode-Key again deletes stored min./max. values as well as all the previous data stored in memory. NOTE If the Mode-Key is not pressed again, the operation returns to Auto-Off Mode after 4 seconds.
- Page 15 The gauge is switched into PC Mode as soon as a cable connection with a free PC USB port is estab- lished: The gauge is now ready for bidirectional data transmission. The communication is performed ac- cording to the Busch communication protocol.; detailed information is available in a separate de- scription. NOTE When the gauge is switched to PC mode, the gauge will stop displaying actual pressure and re- cording data.
- Page 16 5 | Configuration Configuration To switch the gauge into Configuration Mode; ● With the instrument switched-off, press and hold the Mode-Key for approx. 5 seconds until the display shows “rAtE”. Logging Rate To set the logging rate and activate the data logging functionality of the gauge, switch the unit into Configuration Mode.
- Page 17 Configuration | 5 NOTE Via USB interface the user can set logging rates between 1.0 s and 6000 s. The logging rate which was set previously is also available for choice in the gauge display and shown after "trig". Without further keystroke the vacuum meter is switched into Auto-Off Mode after 5 seconds. The last settings are saved.
- Page 18 5 | Configuration Adjustment on Zero Pressure NOTE For adjustment on zero pressure the actual pressure inside the sensor has to be less than 1 mbar! The pressure reading must be less than 4x10 mbar, otherwise the adjustment is denied and the error message "Err" displayed. To adjust the gauge on zero pressure, switch the unit into Configuration Mode.
- Page 19 Configuration | 5 ● Press and hold the Mode-Key until the display shows "rAtE". ● After displaying “rAtE”, press the Mode-Key until the display shows “unit”. ● After 5 more seconds the current unit setting is displayed as shown below: ●...
- Page 20 5 | Configuration ● Select a timespan from 1hr to 24hrs or “cont” (no switch-off) with using the Mode-Key. Without further keystroke, the gauge switches to Auto-Off Mode after approx. 5 seconds. The last specified maximum operation time is saved. Gas Correction Factor The pressure reading of gauge depends on type and composition of the gas being measured.
- Page 21 Configuration | 5 ● You can set the gas connection factor value with using the Mode-Key. Press and hold the Mode- Key the value count increases automatically to 8.00 and restarts at 0.20. Without further keystroke, the gauge switches to Auto-Off Mode after approx. 5 seconds. The last specified gas connection factor value is saved.
- Page 22 6 | VACTEST Explorer Software VACTEST Explorer Software VACTEST Explorer software has been especially developed for use with VACTEST gauges from Busch Vacuum Solutions and is compatible with operating system Windows. VACTEST Explorer features plotting and saving of measurement data as well as comfortable configu- ration of all device parameters.
- Page 23 Maintenance and Service | 7 Maintenance and Service DANGER Danger of possibly contaminated parts! Contaminated parts can cause personal injuries. ● Inform yourself regarding possible contamination before you start working. ● Be sure to follow the relevant instructions and take care of necessary protective measures. CAUTION The unit is not prepared for customer repair! Defective sensor heads can be exchanged on-site by calibrated replacement sensors.
- Page 24 For withdrawal and free disposal of used appli- ances please contact your Busch Vacuum Solutions service or return the product with a filled-in dec- laration of contamination. Alternatively, you can dispose used appliances at officially set-up collect- ing points.
- Page 25 Technical Data | 8 Technical Data Description Measurement principle Heat conduction Pirani (Depending on gas type) Materials in contact with vacuum Stainl. steel 1.4305, nickel, tungsten, glass Measuring range 100 - 1.0x10 mbar (75 - 1.0x10 Torr) Overpressure limit 4 bar abs. Resolution 100 - 10 mbar: 1 mbar <...
- Page 26 9 | EU Declaration of Conformity EU Declaration of Conformity The manufacturer Busch Produktions GmbH Schauinslandstr. 1 DE-79689 Maulburg fulfill(s) all the relevant provisions from EU directives: – ‘Electromagnetic Compatibility’ (EMC) 2014/30/EU – ‘RoHS’ 2011/65/EU Restriction of the use of certain hazardous substances in electrical and electronic equipment (incl. all related applicable amend-...
- Page 27 UK Declaration of Conformity | 10 UK Declaration of Conformity The manufacturer Busch Produktions GmbH Schauinslandstr. 1 DE-79689 Maulburg fulfill(s) all the relevant provisions from UK legislations: – Electromagnetic Compatibility Regulations 2016 – Restriction of the use of certain hazardous substances in Electrical and Electronic Equipment Regulations 2012...
- Page 28 BUSCH GROUP The Busch Group is one of the world’s largest manufacturers of vacuum pumps, vacuum systems, blowers, compressors and gas abatement systems. Under its umbrella, the group houses three well-known brands: Busch Vacuum Solutions, Pfeiffer Vacuum and centrotherm clean solutions. Together, they offer solutions to a wide range of industries.
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