Practical-instrument-electronics 334 Manual de usuario descargar pdf

Product Description

• EASY TO USE

With the PIECAL Model 334 you can check, calibrate

and measure all your current signal instruments in a

4 to 20 milliamp DC loop. It can be used at any

access point in your loop. Source & Read 0.00 to

24.00 mA, Simulate a 2 Wire Transmitter or use the

PIECAL Model 334 to simultaneously power your 2

Wire Transmitter and measure its output. When

desired the PIECAL Model 334 can display current

in milliamps or percent of 4 to 20.

• SOURCE MILLIAMPS

Calibrate recorders, digital indicators, stroke valves

or any instruments that get their input from a 4 to

20 mA loop. Easily set any value quickly to within

0.01 mA with the adjustable digital potentiometer

“DIAL” or use preset 4.00 mA (0.0%) and 20.00

mA (100.0%) EZ-CHECK™ settings.

• RECALL OUTPUT SETTINGS

The EZ CHECK™ switch provides rapid checking of

4.00, 20.00 and any convenient third point between

0.00 to 24.00 mA.

• CALIBRATE USING LOOP POWER

Check loop wiring and receivers by using the

PIECAL Model 334 in place of a 2 Wire transmitter.

Simulate a changing process input to check loop

response and control settings. The PIECAL Model

334 uses any loop power from 2 to 100V DC.

• READ LOOP CURRENT

Check controller outputs or measure the milliamp signal anywhere in the loop. The

PIECAL Model 334 measures 0.00 to 52.00 mA signals with greater accuracy than

a typical multimeter. The PIECAL Model 334 can be easily switched to display

milliamps or percent of 4 to 20.

• POWER & MEASURE 2 WIRE TRANSMITTERS

The PIECAL Model 334 can simultaneously output 24V DC to power any and all devices in a

process loop using the internal batteries and the internal switching power supply, while

measuring the output of a 2 Wire Transmitter and any other loop devices. This is handy for

checking the functionality of transmitters in the field or on the bench.

• READ DC VOLTS

The PIECAL Model 334 can measure from -99.99 to +99.99 VDC with 10mV resolution. Use it to

check loop power supplies, I/V converters, chart recorders, 1 to 5 Volt signals, and any other

voltages within this range making it unnecessary to carry an additional multimeter.

PIECAL Model 334

4-20 mA Loop Calibrator

Operating Instructions

PIECAL Model 334

4-20 mA Loop Calibrator

Operating Instructions

Practical Instrument Electronics

82 East Main Street Suite 3.14 • Webster, NY 14580 Tel: 585.872.9350 • Fax: 585.872.2638 • [email protected] • www.piecal.com

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Indice de contenidos

Pagina 1 - PIECAL Model 334

Product Description• EASY TO USEWith the PIECAL Model 334 you can check, calibrate and measure all your current signal instruments in a 4 to 20 milli

Pagina 2 - Basic Operation

q POWER SWITCHSelect “mA” to display and calibrate in milliamps.Select “% 4 to 20 mA” to display and calibrate in percent. Select “READ VDC” to read

Pagina 3 - Reading Milliamp Outputs

mA OUT, % OUT (Percent of 4 to 20 mA)Choose this function to provide an output from 0.00 to 24.00 milliamps. The compliance voltage is a nominal 24 VD

Pagina 4 - Simulate 2-Wire Transmitters

2 Wire mA, 2 Wire % (Percent of 4 to 20 mA)Choose this function to simulate a 2 Wire Transmitter output from 0.00 to 24.00 milliamps. Operates in loop

Pagina 5 - Application Notes

READ VChoose this function to measure from -99.99 to +99.99V DC.1) Select “READ VDC” with slide switch q.2) Connect the red (+) and black (-) leads of

Pagina 6 - Guarantee

AccessoriesAC ADAPTOR (200 to 240 VAC) Part No. 020-0100AC ADAPTOR (100 to 120 VAC) Part No. 020-0101Ni-MH 1 Hour Charger w/4 Ni-MH AA Batte

Pagina 7 - PIECAL 334 Specifications

GeneralOperating 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 ≤

Pagina 8 - Additional Information

Source/Power & Measure Two Wire Transmitters334 Ranges and Resolution0.00 to 24.00 mA Full Span or -25.0 to 125.0% of 4-20 mAAccuracyEZ Check(s)

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