Instruction Manual
0.001% of span/volt power supply rejection 
EXTERNAL FUSE 
REQUIRED: 
  115 Vac  IEC 127-2/III,125 mA,250V (Time-Leg) or UL Slow Blow, 125mA, 250V 
  230 Vac  IEC 127-2/III,63 mA,250V (Time-Leg) or UL Slow Blow, 63mA, 250V 
ENVIRONMENTAL 
OPERATING TEMP RANGE:  0 to 50 degrees C (32 to 140°F) 
STORAGE TEMP RANGE:  –40 to 85 degrees C (–40 to 202°F) 
HUMIDITY:  up to 95% non-condensing at 40°C (104°F) 
FRONT PANEL:  NEMA-4 rated 
MECHANICAL 
DIMENSIONS (H x W x D):  1.89 x 3.78 x 5.86 (48mm x 96mm x 145mm)(48 x 96 x 145mm) 
PANEL CUTOUT (H X W):  1/8 din 1.772 X 3.622in 45 x 92mm) 
WEIGHT:  1.316 pounds (600 g) 
MATERIAL: 94V-0 UL-rated Polycarbonate 
Figure 18-1. Dimensions for Meter Housing. 
FLASHING MESSAGES 
DURING PROGRAMMING (configuration mode)   
NUMERICAL OVERFLOW:  “999999” 
OFFSET OVERFLOW:  “ERR 01” 
SETPOINT OVERFLOW:  “ERR 02” 
NOT STORED IN EEPROM:  “NOSTOR” 
VALUE PUT IN EEPROM:  “STORED” 
DURING MEASUREMENT (RUN MODE)   
INPUT TOO LARGE, POSITIVE:  “+ OVLD” 
INPUT TOO LARGE, NEGATIVE:  “– OVLD” 
INPUT OUT OF RANGE, POSITIVE:  “+ OPEN” 
INPUT OUT OF RANGE, NEGATIVE:  “– OPEN” 
EXCESS INPUT SCALE/OFFSET: “I OVSC” 
EXCESS DISPLAY SCALE/OFFSET:  “R OVSC” 
COUNT-BY DISPLAY OVERFLOW: “999999” 
CF 67  72  M1291/N/0403 11279ML-02 Rev. A 










