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PIE Model 334 4-20 Milliamp Loop Calibrator
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PIE Model 334 4-20 Milliamp Loop Calibrator


PIE Model 334
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PIE 334

Datasheet

 Features:
  • True ± 0.025% of reading
  • Read and Source 0.000 to 50.000 mA
  • Display current or -25.00 to 125.00% of 4-20mA or 10-50mA
  • Bar graph displays % of 4-20mA or 10-50 mA
  • Read 0.00 to 60.00 volts with 2X over range ability
  • Simulate 2-Wire Transmitters
  • Read 0.00 to ± 30.00 VDC with 4X over range ability
  • Source 0.000 to 24.000 VDC with up to 20mA output
  • Direct Calibration 1.000V to 5.000V
  • Loop Compliance Voltage >43 Volts
  • Optional Analog Ooutput for chart recorders & Data loggers
  • Auto Step or Ramp with HIGH accuracy and repeatability designed in collaboration with Nuclear plants
  • Selectable step sizes, time in-between steps & soak time
  • Stop watch like EZ-Check switch
  • Full 5 Digit Display
  • Fuseless protection from accidental connection to 240 volts AC/DC
  • Rugged handheld enclosure with optional lanyard and Velcro hand strap
  • Uses 4 AA alkaline batteries
  • Superior battery life of 40 hours under typical continuous usage
  • Easy access to battery compartment
  • NIST Traceable Calibration Certificate included FREE


  Description

The Practical Instrument Electronics (PIE) Model 334 is a state of the art, highly reliable, rugged and easy to use milliamp calibrator. It has the functions necessary to perform all the required maintenance and calibration tasks of virtually any 4-20mA loop. It provides source and read milliamp functions along with power and measure and two wire transmitter simulations.

In addition it can measure DC Voltage for troubleshooting power supplies. If the PIE Model 334 looks familiar that’s not a coincidence. It’s because as previous employees for Altek we comprise key employees and the lead engineer that produced the original Altek Model 334 and Altek Model 334A as well as many other Altek products.

We believe with this experience it has put us in a unique position to design a technologically superior but 100% functional replacement for the Altek Model 334 and Altek Model 334A. With an estimated 100,000 users of this continuously popular but aging calibrator, it is clear that loyal users as well as potential new users of this product could benefit from technology updates. As part of these updates, it is PIE’s intention to maintain the time proven familiar controls and functionality while reintroducing the product with many of today's newest technologies.

These improvements include better long term stability, accuracy, reliability and ruggedness including a significantly improved battery life. The combined improvements allow the PIE Model 334 to meet or exceed all of the expected performance and functions of the Altek Model 334 and Altek Model 334A. We guarantee this as a functional replacement with improvements. Even more important the PIE Model 334 will also exceed the performance of many higher cost calibrators and meet today's most demanding requirements while maintaining the familiar, time proven reliability and ease of use of the original. This is the new standard!



  Models, Options, & Accessories


Model Description List Price Sale Price
334 4-20 mA Loop Calibrator $725.00
$688.75 
334Plus Automated mA Loop Calibrator $795.00
$755.25 


  Specifications

General Specifications (Unless otherwise indicated all specifications are rated from a nominal 23 C, 70 % RH for 1 year from calibration)
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 % 10 %
Size L=5.63 x W=3.00 x H=1.60 inches
Weight 12.1 ounces (including boot & batteries)
Batteries Four "AA" Alkaline 1.5V (Duracell MN1500 or equivalent)
Optional 120 VAC 50/60 Hz AC adaptor available
NiMh Rechargeable battery kit available
Miscellaneous Low battery indication with nominal 1 hour of operation left
Over-voltage protection to 135 vrms (rated for 30 seconds) or 240 vrms (rated for 15 seconds)
High contrast graphic liquid crystal display with 0.413¡± (10.5 mm) high digits
Specifications for source/power and measure two wiretransmitters/simulate two wire transmitters
Ranges and Resolution 0.00 to 24.00 mA Full Span OR -25.0 to 125.0% of 4-20 mA
Accuracy
EZ Check(s)at 4 & 20mA(1)		  
< ± 0.025% at 4.00mA and 20.00mA (± 0.005mA)
0.0 to 24.00 mA < ± 0.05% of 24.00mA (± 0.01mA)
Noise < ± 0.005mA of Reading
Temperature effect < ± 0.005 %/°C of FS
(1) These are internal calibrated cardinal reference points and accuracy is not defined or limited by display resolution
Source/Power and Measure 2-Wire Transmitter Specifications
Loop compliance voltage > 24 DCV @ 20.00mA
Loop drive capability 1200 ω at 20 mA for 15 hours nominal
Battery life Source and Power measure mode > 30 hrs at 12 mA nominal
Read mA Specifications
Ranges 0.00 to 52.00 mA Full Span OR -25.0 to 300.0% of 4-20 mA
Accuracy

Below 24.01mA
Above 24.00mA		  

< ± 0.05 % of 24.00mA (± 0.01mA)
< ± 0.05 % of 52.00mA (± 0.02mA)
Voltage burden < 2V at 50 mA
Overload/Current limit protection 54 mA nominal
Battery life Typical > 125 Hours nominal
2-Wire Transmitter Simulation Specifications
Voltage burden < 2V at 20 mA
Overload/Current limit protection 24 mA nominal
Loop voltage limits 2 to 100 VDC (fuse-less protected from reverse polarity connections)
Battery life > 125 hours nominal
Voltage Read Specifications
Range and Resolution -99.99 to +99.99 VDC Full Span (FS)
Accuracy < ± 0.05 % of FS
Temperature effect < ± 100 ppm/°C of FS
Input resistance > 2 Mω
Battery life > 125 hours nominal

   
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