User Manual

Model 535 Operating Instructions
82 E. Main Street Suite 3.14 • Webster, NY 14580
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[e-mail] • http://www.piecal.com/
Practical Instrument Electronics, Inc. Copyright  2011. All rights reserved.
535-9002 Rev G 7/13/11
7-8
Common Specifications for all Current Modes:
Ranges 0.000 to 24.000 mA, -25.00 to 125.00% of 4-20 mA
0.000 to 52.000 mA, -25.00 to 105.00% of 10-50 mA
Accuracy
≤ ± (0.025 % of reading + 0.004 mA)
Temperature Effect
≤ ± 50 ppm/°C of range
Resolution 0.001 mA and 0.01 %
Step/Ramp Timebase Accuracy 0.01% of 4.9152 MHz
Source/Power and Measure 2-Wire Transmitter Specifications:
Loop Compliance Voltage
≥ 43 Volts
Loop Drive Capability
1200 Ω at 20 mA/800 Ω at 50 mA for entire battery life
Miscellaneous Open loop or out of compliance conditions are indicated by appropriate error display
Battery life in:
Source mode ≥ 18 hrs at 12 mA/≥ 9 hrs at 30 mA typical
Power measure ≥ 10 hrs at 12 mA/≥ 5 hrs at 30 mA typical
Selectable EZ-Step(s) for Source Mode/2-Wire Transmitter Simulation:
2 to 16 selectable step settings
Step size is determined by the selected high & low ranges
Selectable time settings for stepping and soak:
STEP: 5 to 900 seconds SOAK: 0 to 900 seconds
Read mA Specifications:
Voltage Burden ≤ 2V
Overload/Current Limit Protection
≤ 24 mA (4-20 range)/ ≤ 52.5 mA (10-50 range) nominal
Battery Life
≥ 40 hours typical
2-Wire Transmitter Simulation Specifications:
Overload/Current Limit Protection ≤ 24 mA (4-20 range)/ ≤ 52.5 mA (10-50 range) nominal
Loop Voltage Limits 2-90 VDC
Miscellaneous
Open loop or out of compliance conditions are indicated by appropriate error display
Battery life ≥ 40 hour typical
Selectable EZ-Step(s) for Source Mode/2-Wire Transmitter Simulation:
2 to 16 selectable step settings
Step size is determined by the selected high & low ranges
Selectable time settings for stepping and soak:
STEP: 5 to 900 seconds SOAK: 0 to 900 seconds