PIE 235 Operating Instructions Manual

Process voltage calibrator

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• Technician friendly operation
Intuitive EZ-DIAL Double Click Menu makes it easier to setup than other calibrators. Turn on
the backlight to easily see the display in dark areas of the plant. Connections diagrams are
indicated on the display for each function along with a labeled connector panel on the top.
• Calibrate with Confidence
Accurate to ±0.02% of Reading + 0.01% Full Scale.
Out of range or over current is indicated by an
audible alarm, flashing display and the
OVERLOAD LED will light.
• Source three ranges of mV & V dc plus percent
of 1 to 5 volts
With the 235 you can check, calibrate and
measure all your voltage, millivolt and pH signal
instruments in your plant. Source -500.00 to
999.00 mV, 1.000 to 5.000 V, 0.0 to 100.0% of 1
to 5 V; 0.000 to 20.000 V.
• Power your loops with over 1,000 Ohm loads
The 20.000 V range has an extended span of up
to 24.000 Volts giving you a portable source for
powering your loops.
• Read DC volts
The 235 can measure from -500.00 to +999.00 mV,
0.000 to 5.000 V, 0.0 to 100.0 % of 1 to 5 V; 0 to
20.000 V and 0.00 to 60.00 V DC. Use it to check
loop power supplies, I/V converters, 1 to 5 Volt
signals, and other voltages.
• Save time calibrating recorders and monitors
in 4 to 20 mA loops
Other brands of calibrators require that you break
the loop to calibrate voltage inputs. With the PIE 235
you simply clip the test leads across the voltage inputs
in a live 4 to 20 mA loop without disconnecting any
wires.
• Simulate pH probes into transmitters & analyzers
Use the pH simulator to verify proper operation of pH devices
before you place a probe into a calibrated buffer.
• Quickly set any three outputs plus automatic stepping & ramping
Easily set any value with the adjustable "DIAL" plus store any three output settings for instant recall with
the EZ-CHECK™ switch. 2, 3, 5 & 11 steps automatically increment output in 100%, 50%, 25% or 10% of
span plus continuous ramp. Set step/ramp time to 5, 6, 7, 8, 9, 10, 15, 20, 25, 30 & 60 seconds.
• Designed for you by experienced calibrator manufacturers
PIE Calibrators are designed and built by members of the same team that designed and built the
calibrators manufactured by Fluke* under the Altek* label. The 235 improves upon other brands by
including a rubber boot, backlit display with larger digits, higher accuracy and more ranges for flexibility.
0.561.8187
Copyright © 2016 All rights reserved • 235-9002 - Rev C 30 March 2016
www.
PIE Model 235
PIE Model 235
Process Voltage Calibrator
Process Voltage Calibrator
Operating Instructions
Operating Instructions
.com
information@itm.
Page 1

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Summary of Contents for PIE 235

  • Page 1 • Designed for you by experienced calibrator manufacturers PIE Calibrators are designed and built by members of the same team that designed and built the calibrators manufactured by Fluke* under the Altek* label. The 235 improves upon other brands by including a rubber boot, backlit display with larger digits, higher accuracy and more ranges for flexibility.
  • Page 2: Basic Operation

    EZ-CHECK™ SWITCH update as the input signal changes. SOURCE: Instantly output two preset voltages by Double click the knob to get into the PIE Model moving the EZ-CHECK™ switch to the “LO” position 235 Configuration Mode. Use configuration to or “HI” position. For fast three point checks select select voltage or pH, Range, Backlight On/Off, the “SET”...
  • Page 3 Configuration AUTO OFF - If AUTO OFF is ON, the unit will turn off after 30 minutes of inactivity to save Configure the Calibrator battery life. If AUTO OFF is OFF the unit will stay on until the POWER SWITCH is moved to the off POWER SWITCH to “SOURCE”...
  • Page 4 FUNCTION and 999 mV, 20 V or 5 V for the RANGE. Connect the output leads of the PIE Model 235 to the inputs of the device being calibrated, making sure to check polarity. Red lead to the plus (+) input and black lead to the minus (-) input.
  • Page 5: Automatic Stepping

    Storing EZ-CHECK Outputs STORING HI and LO EZ-CHECK Outputs Choose this function to quickly toggle between HI and LO signals into controllers, transmitters, recorders or any other input device that measure DC Voltages. 1) Store your high (SPAN) output voltage by moving the EZ-CHECK switch to the HI position and turn the EZ-Dial knob until the desired voltage is on the display.
  • Page 6 FUNCTION and 999 mV, 5 V, 20 V or 60 V for the RANGE. Connect the red input lead (+) of the PIE Model 235 to the more positive point of the break and the black input to the more negative point.
  • Page 7 Connect the output leads of the PIE Model 235 to the inputs of the device being calibrated, making sure to check polarity. Red lead from the mV (+) jack of the Model 235 to the plus (+) input and black lead from the mV (-) jack to the minus (-) input.
  • Page 8 Calibrate 1 to 5 volt instruments without breaking the loop or turning off the loop current. You do not need to remove any 250 Ohm resistors. The PIE Model 235 drives only the voltage instrument it is connected to and has no effect on any other instruments in the 4 to 20 mA loop.
  • Page 9 Flip out stand for bench use Hands free carrying case with pockets for the PIE 235 & test leads. Designed to be worn around your neck so that you can safely use both hands to calibrate. Page 9 0.561.8187 information@itm.
  • Page 10 PIE 235 Specifications (Unless otherwise indicated all specifications are rated from a nominal 23°C, 70% RH for 1 year from calibration) General Operating Temperature Range -20 to 60 °C (-5 to 140 °F) Storage Temperature Range -30 to 60 °C (-22 to 140 °F) Relative Humidity Range 10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing...
  • Page 11 PIE 235 Specifications (Unless otherwise indicated all specifications are rated from a nominal 23°C, 70% RH for 1 year from calibration) Voltage Source Ranges and Resolution Accuracy -500.00 to 999.00 mV ≤ ± (0.02 % of Reading + 0.01% of Full Scale) 1.000 to 5.000 V...
  • Page 12: Ordering Information

    The equipment will be repaired, replaced or adjusted at our option. The liability of Practical Instrument Electronics (PIE) is restricted to that given under our warranty. No responsibility is accepted for damage, loss or other expense incurred through sale or use of our equipment.

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