file:///D:/BAL/info@halstrup-walcher.comfile:///D:/BAL/halstrup-walcher.com
Walcher - Experte für Transformatoren & Automatisierungstechnik
Drive technology and measurement technology | halstrup walcher
Instruction Manual for halstrup walcher models including: PIZ Two-Wire Differential Pressure Transducer, PIZ, Two-Wire Differential Pressure Transducer, Differential Pressure Transducer, Pressure Transducer, Transducer
Przetworniki ciśnienia, niskiego ciśnienia, różnicy ciśnień PIZ | acse.pl
Pliki do pobrania - Czujniki Temperatury, Regulatory i Rejestratory
File Info : application/pdf, 12 Pages, 361.27KB
DocumentDocumentInstruction Manual PIZ Two-Wire Differential Pressure Transducer Document 7100.002144 halstrup-walcher GmbH Stegener Straße 10 D-79199 Kirchzarten Germany Phone: +49 (0) 76 61/39 630 Fax: +49 (0) 76 61/39 6399 E-Mail: info@halstrup-walcher.com Internet: www.halstrup-walcher.com 09/2017 Table of Contents PIZ Instruction Manual 1 Safety precautions...............................................................................................................4 1.1 Appropriate use..............................................................................................................4 1.2 Shipping, assembly, electrical connections and start-up.................................................4 1.3 Troubleshooting, maintenance, repairs, disposal............................................................4 1.4 Symbols .........................................................................................................................5 2 Instrument description .........................................................................................................6 3 Start-up ...............................................................................................................................6 3.1 Features.........................................................................................................................6 3.2 Supply voltage connections in the instrument:................................................................7 4 Calibrating the zero point.....................................................................................................8 5 Troubleshooting ..................................................................................................................9 6 Technical data...................................................................................................................10 7 Dimension drawings .......................................................................................................... 12 2 PIZ Instruction Manual Purpose of instruction manual This instruction manual describes the features of the PIZ differential pressure transducer and provides guidelines for its use. Improper use of this instrument or failure to follow these instructions may cause injury or equipment damage. Every person who uses the device must therefore read the manual and understand the possible risks. The instruction manual, and in particular the safety precautions contained therein, must be followed carefully. Contact the manufacturer if you do not understand any part of this instruction manual. Handle this manual with care: It must be readily available throughout the lifecycle of the instrument. It must be provided to any individuals who assume responsibility for operating the instrument at a later date. It must include any supplementary materials provided by the manufacturer. The manufacturer reserves the right to continue developing this instrument model without documenting such development in each individual case. The manufacturer will be happy to determine whether this manual is up-to-date. Conformity This instrument corresponds to the state of the art and meets all legal requirements set forth in EC directives as evidenced by the CE label. © 2005, 2017 The manufacturer owns the copyright to this instruction manual. This manual contains data, instructions and drawings pertaining to the features and usage of this instrument; copying this manual in part or in full or distributing it to third parties is prohibited. 3 PIZ Instruction Manual 1 Safety precautions 1.1 Appropriate use In addition to differential pressure data, the PIZ differential pressure transducer also records positive and negative overpressures. Always observe the operating requirements--particularly the permissible supply voltage--indicated on the rating plate and in the "Technical data" section of this manual. The instrument may only be handled as indicated in this manual. Modifications to the instrument are prohibited. The manufacturer is not liable for damages caused by improper use or failure to follow these instructions. Violations of this type render all warranty claims null and void. 1.2 Shipping, assembly, electrical connections and start-up Do not close the pressure input ports when shipping, as changes in barometric pressure could damage instruments with low measuring ranges. Only technical personnel who are appropriately trained and authorized by the operator of the facility may assemble the instrument and set up its electrical connections. The instrument may only be operated by appropriately trained individuals who have been authorized by the operator of the facility. Pressurized air or breath is not to be used for performance tests, as this could damage instruments with low measurement ranges. Measurement errors may occur if the instrument is not kept protected from sunlight. Specific safety precautions are given in individual sections of this manual. 1.3 Troubleshooting, maintenance, repairs, disposal The individual responsible for the electrical connections must be notified immediately if the instrument is damaged or if errors occur that cannot be corrected as indicated in section 5. This individual must take the instrument out of service until the error has been corrected and ensure that it cannot be used unintentionally. Always unplug the power cord before opening the instrument! This instrument requires no maintenance. Only the manufacturer may perform repairs that require the housing to be opened. 4 PIZ Instruction Manual The electronic components of the instrument contain environmentally hazardous materials and materials that can be reused. For this reason the instrument must be recycled in accordance with the environmental guidelines of the jurisdiction in question once it has been taken permanently out of service. 1.4 Symbols The symbols given below are used throughout this manual to indicate instances when improper operation could result in the following hazards: WARNING! This warns you of a potential hazard that could lead to bodily injury up to and including death if the corresponding instructions are not followed. WARNING: This warns you of a potential hazard that could lead to significant property damage if corresponding instructions are not followed. INFORMATION: This indicates that the corresponding information is important for operating the instrument properly. 5 PIZ Instruction Manual 2 Instrument description The PIZ pressure transducer is a pneumatic, electrical sensor for measuring overpressures, vacuum pressures and differential pressures. Typical applications include, for instance, pressure measurements in air-conditioning and ventilation ducts. At the heart of the transducer is a pressure measurement capsule with a beryllium bronz membrane spring, which is displaced by the pressure difference between the two chambers of the measurement capsule. Inductive displacement transducers measure membrane deflection without contacting the membrane. The instrument has no frictional parts or parts subject to mechanical wear. 3 Start-up 3.1 Features Although the PIZ pressure transducer is highly robust, it is nevertheless a precision instrument and should be handled with care. Avoid mounting the instrument in the direct vicinity of any sources of radiation or heat, such as heaters, as this could result in measurement errors. Ideally, the instrument should be mounted vertically on a wall not subject to vibration. Pressure (+) and vacuum (-) ports should be pointing down in order to prevent any condensation from entering the measurement cell. When connecting pressure to the transducer, use the following table to ensure that the sign of the pressure (+ or -) is correct. overpressure / pos. differential pressure + input port vacuum / neg. differential pressure - input port symmetrical overpressure / vacuum + input port 0...1 kPa 0...- 500 Pa 200 Pa 6 PIZ Instruction Manual 3.2 Supply voltage connections in the instrument: (not all components are shown) Terminal 1: +Ub (10...32 VDC) Terminal 2: GND Please note: The maximum load resistance is dependent upon the supply voltage and may be calculated as follows: R L Ub[V ] 10V 20mA Example: Ub: 24 V RL: max. 1.1 k R L 24V 10V 20mA 700 7 Display-connector PIZ Instruction Manual 4 Calibrating the zero point Please remember that it takes roughly 30 to 60 minutes for the pressure transducer to warm up after it is switched on. The output signal may not remain stable during this period. It is recommended that the zero point after a long operating time (approximately 6 months) is checked and if necessary calibrate it again. Once the pressure transducer has warmed up, the P1 trimmer can be used to calibrate the zero point of the analogue output. If the transducer has a display the zero point of the display must be calibrated too with P2. The following table may be used to look up the value to which the analogue output must be set when the ports are open; this value is dependent upon the measurement range. Measurement range Example Set to 0...nominal pressure 0...1 kPa 4 mA ± nominal pressure 200 Pa 12 mA 8 PIZ Instruction Manual 5 Troubleshooting Error description Potential cause no output signal supply voltage is not connected incorrect supply voltage defective reverse polarity protection diode output signal is constant, pressure ports reversed despite change in pressure output signal incorrect defective pressure measurement cell zero point cannot be adjusted using P1 defective pressure measurement cell Corrective action connect correct supply voltage connect the correct supply voltage (see rating plate). replace D1 / D2 diode (model LL103A) connect pressure as outlined in section 3.1. Send the instrument to the manufacturer for repair Send the instrument to the manufacturer for repair 9 PIZ Instruction Manual 6 Technical data Measurement data measurement ranges overload capacity hysteresis warm-up period time required for adjustment Margin of error (0.3Pa margin of error for the reference) temperature-dependent drift in zero point temperature-dependent drift in measurement range dead volume control volume max. system pressure Ambient conditions medium operating temperature storage temperature relative humidity EMC standards conformity Electrical data power consumption supply voltage load resistance RL 0...50 Pa to 0...100 kPa or ±50 Pa to ±100 kPa (others available upon request) 10 x the final value of the measurement range (for measurement ranges 20 kPa) 2 x the final value of the measurement range (for measurement ranges > 20 kPa) 0.1 % approx. 30 min. approx. 20 ms (up to 5 s available upon request) 1 % 0.5 % only for meas. ranges 250 Pa (optional) 0.2 % only for meas. ranges 250 Pa (optional) 0.04%/ K (within the +10°C...+50 °C range) 0.04%/ K (within the +10°C...+50 °C range) approx. 2000 mm3 (for measurement ranges 250 Pa) approx. 9000 mm3 (for measurement ranges 250 Pa) max. 200mm³ 100 kPa air, all non-aggressive gases 10° C to +60° C -10° C to +70° C 0...80 % corresponds to EN 50 081 part 1 and EN 50 082 part 1 declaration of conformity available upon request max. 1 W 10...32 VDC (permissible peak-to-valley ratio < 0.2 Vss max. RL = 1.1 k R L Ub[V ] 10V 20mA Ub supply voltage in volts effect of load resistance: <0.2 % display output signal 3½ or 4½-place LCD, character height = 13 mm (optional) 4...20 mA 10 PIZ Instruction Manual Physical data pressure port electrical connection mounting orientation dimensions (w x h x d) protection class weight options Ø 6.5 mm for NW6 tubing (interior tubing diameter = 5 mm) screw terminals for cables up to 2.5 mm2 PG7 cable gland vertical (when placing your order, please indicate if a horizontal orientation is required) 80 x 120 x 70 mm 120 x 122 x 75 mm (for LCD option) IP54 0.3 kg 3½-place LCD 4½-place LCD ISO factory calibration certificate DAkkS calibration certificate cable gland: PG11 threaded connection output signal attenuation up to 5 s Appendix A: Parts in contact with measurement medium Beryllium bronze CuBe2 Mu metal (nickel alloy) Brass CuZn39Pb3 Aluminium AlCuMgPb / AlMg3 Silicon (tubing) optional: Viton Crastin (PTBP) Araldite CY236 / HY988 Loctite 242e Carbonyl iron KEL (FPM: fluorinated rubber) Vepuran Vu 4457/51 UHU-Plus endfest 300 binder For additional specifications and dimension drawings, please visit our website at http://www.halstrup-walcher.de/en/produkte/druckmesstechnik/index.php 11 PIZ Instruction Manual 7 Dimension drawings PIZ (standard) 151 135 73 120 80 25 33 20 PIZ with LCD 122 111 4.5 34 75 90.5 7 120 Ø4.5 25 22 17 20 7100.002144C_PIZ.doc 09/2017 Me/Ka 12