Group: Krohne
Catalog excerpts
C 95 Digital Panel Meters Programmable ± 10,000 points The C 95 is one of a series of highly accurate digital panel meters. Each instrument has a highly legible 10,000-point 5-digit red display, whose brightness is ideally suited to use in industrial control rooms. The C 95 is the perfect choice for displaying. Monitoring and transmission of process data from any source in the plant. A simple 4-key touch-button control facilitates programming and subsequent operation. DC current or voltage Bidirectional ±100 mV, ±1 V, ±10 V, ±300 V, 20mA Analog output: 3 types available A1: Active current output 0/4...20 mA • Accuracy 0.1 % in relation to display (at +25°C) • Residual drift ≤ 0.2% • Admissible load: 0 Ω 2 kΩ (voltage) • Programmable scale ratio with enlarging effect • Response time: 40 ms Relay output: 2 types available R: 2 set point relays, independently programmable R4: 4 set point relays, independently programmable • Hysteresis independently programmable from 0 to 100% of set point in the display unit • Temporisation independently programmable from 0 to 25 s in 0.1 s steps • NO-NC contact 8 A - 250 V on resistive load Digital output N: Data link RS485 (2 wires) • Protocols MODBUS-JBUS data format: Integer / double integer • Slave number programmable from 1 to 255 with a rate from 1200 to 19200 Bauds Accuracy 0.05% of full scale at +25 °C Thermal drift < 150 ppm/°C Scale overlapping measurable from -5% to +5% Programmable scale factor Enlarging effect - Square root extraction Special linearisation 20 points Supply for 2 or 3 wire sensor 26 VDC
Open the catalog to page 1Panel Meter C 95 Technical Data Display Approx. 10,000 points (14 mm) Electroluminescent red (green as option) 4 alarm messages -10 000 / +100 000 points (14 mm) (as option); -2 000 / +10 000 points (20 mm) Features Sampling times Input impedance Drop Rejection rate Insulation 100 ms ≥ 1 MΩ for voltage inputs 0.9 V max. for current input Common mode: 130 dB Mode series: 70 dB 50/60 Hz Input / Output: 2.5 kV eff. 50Hz-1min Inputs / Power Supply: 2.5 kV eff., 50 Hz- 1min Zero drift compensation and self-calibration Programmable integration index Allows stabilising display in case of unsteady...
Open the catalog to page 2Approvals Emission and immunity in industrial environment CE EN 50081-2; EN 50082-2 EN 61000-4-2 level 3, EN 61000-4-3 level 3, EN 61000-4-4 level 4, EN 61000-4-6 level 3 According to directive CEM 89-336 Environment Front face protection IP 65 Operating temperature -5...55°C Storage temperature -30°C...+80°C Relative dampness 80% annual average Weight with / without output board 250g / 150g Connection with screwed plug-off connectors (for 2.5 mm² cable, flexible or single strand) Case in self-extinguishing black UL 94 VO ABS Electrical connections Locations of options and combinations Any...
Open the catalog to page 3Access code An access code settable from 0000 to 9999 prevents unauthorised programming of indicator, set points and locks access to some functions. The factory code is 0000. 0-5 6-9 Access to fast entering of alarm set-points No access 0-5 6-9 Access to function “tare” (except t° inputs) No access 0-5 6-9 Access to measurement and output simulations No access 0-5 6-9 Access to shifted scales No access Ordering code Output options: A Analogue R 2 relays R4 4 relays N Digital link (RS 485 2 wires) Power supply: 2 High voltage 3 Low voltage This instrument is designed for industrial...
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