SPECIFICATIONS
INPUT
4-20 mA @ 24 VDC
CALIBRATION RANGE
4 mA input: -5000 to +5000; 20 mA input: between 200 to 20000 above 4 mA input.
MAXIMUM VOLTAGE DROP
5.2 VDC @ 20 mA
ACCURACY
±0.05% of span, ±2 counts (linear input)
OPERATING TEMPERATURE RANGE
-20 to 65°C, meter with no alarm output option. 0 to 65°C, meter with alarm output.
CONNECTIONS
Removable screw terminal block
DISPLAY
Sharp, 0.7" high LCD, 4½ digits; 19999. User selectable decimal point.
APPROVAL
The PD677-A-EX, PD677-N-EX have been FM and CSA certified as explosion-proof for Class I, Division 1, Groups B, C, and D; dust-ignition proof for Class II, Division 1, Groups E, F, and G; and Class III hazardous (classified) locations. LCIE
(CENELEC) certified as flameproof, EEx d IIC T6.
ENCLOSURE
Explosion-proof, cast aluminum, approved by FM and CSA; NEMA 4, 7 & 9; Class I, Groups B, C, & D and Class II, Groups E, F, & G. Two 3/4 " NPT holes provided.
OPEN COLLECTOR ALARM OUTPUT (Option)
HIGH-ALARM
Circuit closes above user selectable set point. Rating: 20 VDC @ 20 mA
SET POINT ADJUSTMENT
10-100% of full scale, user selectable
RESET
Automatically when the input falls below the alarm set point @ ~0.5% of full scale.
ALARM SET POINT ACCURACY
±0.5% of full scale
ALARM STATUS INDICATION
Flashing display, user selectable
ORDERING INFORMATION
