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Differential pressure transmitter
Read the user's manual carefully before starting to use the unit or software.
Producer reserves the right to implement changes without prior notice.
04.01.2023
CRV-808
CRV-809
two wires
INSTRUCTION MANUAL
Assisting the automation
industry since 1986
CRV-808_809_2_INSSXEN_v.1.00.000
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Summary of Contents for Simex CRV-808
- Page 1 Assisting the automation industry since 1986 Differential pressure transmitter CRV-808 CRV-809 two wires INSTRUCTION MANUAL Read the user's manual carefully before starting to use the unit or software. Producer reserves the right to implement changes without prior notice. CRV-808_809_2_INSSXEN_v.1.00.000 04.01.2023...
- Page 2 User manual - DIFFERENTIAL PRESSURE TRANSMITTER CRV-808/809 Description Pressure sensors of the CRV type are used to measure very small pressures (relative and differential ones). The measured pressure is sensed by a semiconductor strain-gauge sensor or a ceramic capacitive sensor. The sensors are designed for gases.
- Page 3 User manual - DIFFERENTIAL PRESSURE TRANSMITTER CRV-808/809 Commissioning Remove the cover of housing. Connect electrical power using the connection terminals (see Fig. 2). Thread the outlets through the cable gland. The sensor is equipped with the polarity reversal protection. Fig. 3 Electrical schematics (DC supply U = 19-31 V; without display U = 12 - 31 V) Display The display shows data in pressure units or according to user's request.
- Page 4 User manual - DIFFERENTIAL PRESSURE TRANSMITTER CRV-808/809 Unit The unit of the displayed measured value is determined at the time of ordering. By default, bar, mbar and m v.s. are considered (to be specified when ordering). Nevertheless, the unit can be selected later by attaching one of the enclosed stickers.
- Page 5 User manual - DIFFERENTIAL PRESSURE TRANSMITTER CRV-808/809 Change of the display at different range of pressure sensor (regardless of the measuring range of the pressure sensor, the pressure reference is necessary) During the lifetime of the pressure sensor, the value of the range being nominally at 20,000 mA e.g., might be shifted.
- Page 6 User manual - DIFFERENTIAL PRESSURE TRANSMITTER CRV-808/809 Structure of the menu system...
- Page 7 User manual - DIFFERENTIAL PRESSURE TRANSMITTER CRV-808/809 Adjustment of the access security - secured status If the password is activated, the user is asked to enter the unlock code after pressing both the control buttons to make settings in the menu system.
- Page 8 User manual - DIFFERENTIAL PRESSURE TRANSMITTER CRV-808/809 Low-Pressure After pressing both the buttons simultaneously, the minimum pressure saved during the measurement is displayed. If both the buttons are within one-second interval pressed again, the saved value is deleted. Please note that the value does not stay saved when the power supply is interrupted (current loop).
- Page 9 Dystrybutor: SIMEX Sp. z o.o. ul. Wielopole 11 80-556 Gdańsk Poland tel.: (+48) 58 762-07-77 fax: (+48) 58 762-07-70 http://www.simex.pl e-mail: info@simex.pl Find the updated version at www.simex.pl version: 5/04...
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