Trumeter Liberty 877X Rate Meter & Process Time Indicator
5 digit rate meter and process time indicator.
Suitable for a wide range of pulse inputs such as magnetic pick-ups, proximity sensors, photoelectric sensors and flowmeters. The 877X is a versatile unit suitable for many speed or process time indication and control applications.
Description
5 digit rate meter and process time indicator.
Suitable for a wide range of pulse inputs such as magnetic pick-ups, proximity sensors, photoelectric sensors and flowmeters. The 877X is a versatile unit suitable for many speed or process time indication and control applications.
Features
- 14.2mm character high visibility LED display.
- 1/8 DIN (96mmx48mm) bezel.
- Fully programmable.
- Programmable display update time 0.1 to 99.9 seconds.
- Display scaleable to show engineering units.
- (TAU) process time indication.
- Programme lock out facility.
- AC and DC powered models available.
- Analogue re transmission option.
- Dual relay output option.
- RS485 communications option.
- CE approved. (UL and cUL pending).
Specification
Power Supply
- AC Powered 85-265VAC 47-63Hz 20VA
- DC Powered 9-30VDC 12VA
Sensor supply
- 12VDC ± 12% 75mA max
Display
- 14.2 mm character high visibility LED Display
Signal Input
- Sink or Source DIP switch selectable
Thresholds
- High 3.5 to 28VDC
- Low 0-1.9VDC for single ended signals
Magnetic pick up range
- 200mV pk-pk to 65VRMS into 34.9 kΩ load
Frequency response contact closure
- 200Hz max, electronic signals 10kHz max (5V signals) dip switch selectable
Programme enable input
- Sink only (4.75kΩ to +5VDC) Internal load
Thresholds
- High 3.5 to 28VDC
- Low 0-1.9VDC
Response time
- 25msecs max (5V signal)
Outputs
- Relay output
- 2 SPCO (Form C) relays
- Contact ratings 5A 250VAC or 30VDC @ unity power factor
Data Retention
- EEPROM 100years duration
Operating Temperature
- 0°C to 50°C
Storage Temperature
- -20°C to 70°C
Humidity
- 0 to 85%RH non condensing
Vibration
- 2.5g’s 30-200Hz
Shock
- 30g’s
Front Panel Protection
- IP65 when properly mounted using gasket supplied
Approvals
- CE approved. (UL and cUL pending)
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