General Specifications: (Unless otherwise indicated all specifications are rated from a nominal 23 °C, 70 % RH for 1 year from calibration) |
Temperature Range |
-25 to 60 °C (-5 to 140 °F) |
Storage Temperature Range |
-30 to 60 °C (-22 to 140 °F) |
Relative Humidity Range |
10 % 10 % |
Size |
7.00 X 3.30 X 2.21 inches (177.8 x 83.8 x 56.1mm) |
Weight |
14.0 oz (397 grams) |
Battery |
4 AA Alkaline, 120 VAC 50/60 Hz AC adaptor included |
Miscellaneous |
Low battery indication with nominal 1 hour of operation left
Over-voltage protection to 120 Vrms (rated for 30 seconds) or 240 Vrms (rated for 15 seconds)
Bar graph display with 1% resolution of 4-20/10-50 mA signal scale
High contrast graphic liquid crystal display with 0.45 (11.4 mm) high digits |
Model 535A Analog Output |
10 mV/mA ±(0.1% + 0.04mV), 5 ppm/°C |
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 |
±0.25°C (0.5°F) |
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 nominal (100 ω load)
Power measure > 10 hrs at 12 mA/= 5 hrs at 30 mA nominal (100 ω load)
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 |
Source/Power and Measure 2-Wire Transmitter 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 |
Read Voltage Specifications: |
Range |
0.00 to 30.00 VDC (with 4X over range) |
Resolutions |
0.01 VDC |
Temperature Effect |
< ± 200 ppm/°C of range |
Input Resistance |
> 1 Mω |
Accuracy |
0.00 to 30.00 VDC < ± (0.1 % of reading ±0.1 V) |
Source Voltage Specifications: |
Source Range |
0.000 to 24.000 VDC |
Output Resistance |
<0.3ω |
Source Current |
> 20.000 mA Ordering |
Accuracy |
<±(0.025%RDG + 0.004 V) ±50ppm/°C of range |