Large Display Temperature Meters
Instruction Manual
11
ALARM POINTS
Four, any combination of high or low alarms. Latching or non-
latching.
ALARM POINT
DEADBAND
0-100% of full scale, user selectable
ALARM STATUS
INDICATION
Front panel LED
NON-VOLATILE
MEMORY
All programming values are stored in non-volatile memory for a
minimum of ten years if power is lost.
NORMAL MODE
REJECTION
64 dB at 50/60 Hz
POWER
AC Power:115 VAC or 230 VAC
±
10%, 50/60 Hz, 12 VA
DC Power: 22-28 VDC, 12 watts maximum
ENVIRONMENTAL
Operating temperature range: 0 to +65°C
Storage temperature range: -40 to +85°C
Relative humidity: 0 to 90% non-condensing
CONNECTIONS
Removable screw terminal blocks accept 22 to 12 AWG wire.
ENCLOSURE
PD755
Impact-resistant glass filled polycarbonate, NEMA 4X, modified
specifically for PDC; two holes for ½" conduit provided at base.
PD756
Explosion-proof sand-cast aluminum – 0.3% max. copper content,
NEMA 3, 4, 7, 9. For use in hazardous locations Class I Groups C
& D, Class II Groups E, F & G (suitable for Division 1 and
Division 2). Two ¾" NPT holes provided at opposite sides. Up to
four holes can be provided for an additional charge.
PD757
Die cast aluminum, NEMA 4X, modified specifically for PDC; four
holes for ½" conduit provided at base, 3 plugs provided.
MOUNTING
PD755
Enclosure contains four holes for wall mounting. Panel mounting
and pipe mounting kits available.
PD756
Enclosure contains four
7
/
16
" holes for wall-mounting, pipe
mounting kit available.
PD757
Enclosure contains four ¼" holes for wall-mounting. Panel
mounting kit available.
OVERALL DIMENSIONS
PD755
6.7" x 5.5" x 3.7" (170 mm x 140 mm x 95 mm)
PD756
8.0" x 8.0" x 5.7" (203 mm x 203 mm x 145 mm)
PD757
4.9" x 14.3" x 3.2" ( 125 mm x 362 mm x 81 mm)
WEIGHT
PD755
3.8 lbs (1.73 kg)
PD756
14.6 lbs (6.6 kg)
PD757
7.0 lbs (3.2 kg)
WARRANTY
1 year parts and labor
EXTENDED
WARRANTY
Warranty may be extended an additional 12 months by returning the
Product Registration Form within 2 months from date of purchase.
Go to
www.predig.com
for online registration.
