User guide

6
Introduction
Specifications
1.5 Model 187 Specifications @ 25
°
C
Level Measurements
Resolution: 0.1 %, 0.1 cm, or 0.1 in
Accuracy:
±
0.5%
Linearity:
±
0.2%
Temperature Coefficient: 0.1% / °C
Operating Parameters
HI, A, B, and LO Alarms:
0
% to 100% adjustable
HI/LO Alarm Relay Contact Ratings: 10 V at 0.5 A (normally open, closed on alarm)
Controller Output: AC line voltage @ 2A max current
Fill Timer: 0.1 to 9,999.9 minutes
Analog Output
Integral Non-linearity:
±
0.012%
Resolution: 16 bits
Total Error:
±
0.25% for 4-20 mA output
±
0.5% for 0-10 V output
Current Drift (4-20 mA): 75 ppm / °C
Voltage Drift (0-10 V): 100 ppm / °C
Power Requirements
Primary: 100-120 or 200-240 VAC
±
10%
50 - 60 Hz, 2.2 A max
Memory Backup Battery: 3.6 Volt AA Lithium Cell
Physical
Dimensions (Standard): 97 mm H x 213 mm W x 290 mm D
(3.8" H x 8.4" W x 11.4" D)
Weight (Standard): 2.0 kg (5.4 lbs.)
Dimensions (Rack Mount): 89 mm H x 483 mm W x 290 mm D
(3.5" H x 19" W x 11.4" D)
Weight (Rack Mount): 2.3 kg (6.1 lbs.)
Environmental
Ambient Temperature: Operating: 0 °C to 50 °C (32 °F to 122 °F)
Nonoperating:
−
20 °C to 60 °C (
−
4 °F to 140 °F)
Relative Humidity: 0% to 95%; non-condensing