PIECAL 334plus Automated 4-20 mA Loop Calibrator

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PIECAL 334plus
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Price: $850.00

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The Piecal 334Plus is a 4-20mA Automated Loop Calibrator that builds on the Piecal 334 with advanced features unique to PIE calibrators. Easily find current leaks to ground, deteriorating & damp insulation or corroded terminals with patented loop diagnostic technology (US Patent # 7,248,058). Automated stepping (2, 3 or 5 steps) and ramping lets you set the 334Plus at one instrument and check any other point in the loop.

Get better calibrations with a five digit display to 20.000 mA. You can read the display in dim conditions with the built-in backlight. Additional improvements over 334s from other manufacturers include better long term stability, accuracy, reliability & ruggedness plus improved battery life.

PLUS the 334Plus exceeds the performance of many higher cost calibrators to meet today's most demanding requirements while maintaining the familiar, time proven reliability and ease of use of similar calibrators. The PIECAL 334Plus is the new milliamp calibrator standard!

PIECAL Calibrators Competitive Edge

PIECAL Calibrators are designed and built by members of the same team that designed and built the calibrators manufactured by Fluke under the Altek label.

To learn more about these competitive differences, download the PIECAL 334/334Plus vs. Altek 334A/334 sheet.
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Full Review

  • Easy to use
  • Large backlit display
  • Source milliamps
  • Automatic output stepping & ramping
  • Ground leak detection
  • Calibrate using loop power
  • Read loop current
  • Power & measure 2 wire transmitters
  • Read DC volts
  • Evolutionary design
General
Operating Temperature Range
-20 to 60C (-5 to 140F)
Storage Temperature Range
-30 to 60C (-22 to 140F)
Relative Humidity Range
10 % ≤RH ≤90% (0 to 35C), Non-condensing
10% ≤RH ≤70% (35 to 60C), Non-condensing
Size (L x W x H)
5.63 x 3.00 x 1.60 in (143 x 76 x 41mm)
Weight12.1 oz, 0.34 kg (including boot & batteries)
Batteries Four "AA" Alkaline 1.5V (LR6)
Optional AC Adaptors
120 VAC 50/60 Hz
240 VAC 50/60Hz
Optional NiMh Rechargeable battery kit
120VAC for North America Only; charger, four NiMh batteries, AC & DC cords
Lower Battery
Low battery indication with nominal hour of operation left
Protection against misconnection
Over-voltage protection to 135 vrms (rated for 30 seconds)
DisplayHigh contrast graphic liquid crystal display with 0.315" (8.0mm) high digits.

Read mA
Ranges and Resolution
0.00 to 52.000 mA or -25.00 to 300.00% of 4.-20 mA
Accuracy
 Below 24.010 mA
 Above 24.010 mA

≤ (0.05% of 24.000mA +0.01 mA)
≤ (0.05% of 24.000mA +0.01 mA)
Voltage burden ≤ 2V at 50 mA
Overload/Current limit
protection
54 mA nominal
Battery life ≥ 125 Hours nominal
≥ 100 hrs with backlight on

Source/Power & Measure Two Wire Transmitters
Ranges and Resolution
0.000 to 24.000 mA or -25.00 to 125% of 4-20mA
Accuracy
EZ-Checks at 4 & 20 mA1
0.000 to 24.000 mA

≤ (0.01 % of Span at 4 mA & 20 mA (0.005mA)
≤ (0.05 % of 24 mA Span (0.01mA)
Noise≤ 1/2 Least Significant Digit
Temperature effect
≤ 0.005%/C of FS
Loop compliance voltage≥ 24 DCV @ 20.00mA
Loop drive capability - Leak Detection Off

Loop drive capability - Leak Detection On
1200 Ω at 20 mA for 15 hours nominal;
950 Ω with Hart Resistor enabled

1000 Ω at 20 mA for 15 hours nominal;
750 Ω with Hart Resistor enabled
Battery life
≥30 hours at 12 mA nominal; ≥ hours with backlight on

1These are internal calibrated cardinal reference points and accuracy is not defined or limited by display resolution

2-Wire Transmitter Simulation
AccuracySame as Source/Power & Measure
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; ≥ 100 hours with backlight on

Voltage Read
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; ≥ 100 hours with backlight on

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