ARJAY ENGINEERING 2880R-LT, User Manual, Page: 4 / 28

2880R-LT, 2881R-LT, 2882R-LT Revision 1.0 P a g e 4 | 28
1.0 SPECIFICATION
Specifications are subject to change without notice
Specification Details
Power Input:
(Specify voltage at time of
Order)
12VDC +15% /-10% or 24VDC +15% /-10%, 250mA maximum
100VAC – /- 10%, 50/60 Hz, 150mA maximum
Note:
DC input models must be supplied by Limited Energy power source. Limited
Energy means compliance with one of the following requirements:
- Class 2 circuit according to Canadian Electrical Code, Part, I, C22.1;
- Class 2 circuit according to National Electrical Code, NFPA-70;
- Limited Power Supply (LPS) according to IEC 60950-1;
- Limited-energy circuit according to IEC 61010-1.
Connections to mains supply Permanent (for AC/DC model)
User Interface:
Display & Keypad Two line LCD display, Alarm status LEDs and Keypad for select
menu or enter values
Communication Interface: Modbus (RS485)
Relays / Analog Outputs:
Relay Outputs 2 SPDT relays, Dry Contacts are 3A @ 250 VAC (Resistive),
selectable failsafe or non-failsafe, selectable high or low acting alarm,
programmable time delay: 0 – 600 seconds , 0-100% differential
(2881R Or 2881RW: Isolated)
**
mA Signal Output 4-20 mA, 900 Ohms max (24VDC Power) OR 450 Ohms max
(12VDC Power).
**
Optional (Note: If Isolation is ordered then relays are not available)
Instrument Performance:
Measuring Range 0 - 5000 pF (Most applications are 100pF to 1000pF)
Accuracy 0.2% of full scale pF
Resolution 0.004% at 1000pF
Calibration Linear 2 point Auto calibration
or
Manual calibration
Environmental:
Operating conditions Continuous
Ambient Temperature -20 °C to +55 °C controller
-40 °C to +55 °C PMC2800 pulse card in probe junction box
Process Temperature -60 °C to +200 °C Standard or Heavy Duty Teflon Probe
-60 °C to +100 °C Flexible Tefzel Probe
Maximum Process Pressure 1500 PSI / 10342 kPa
Relative humidity 0 to 95% (non-condensing)
Altitude ≤2000 m