The instruments Powers or Measure a two-wire current loop. Four function provide the quality and accuracy of handheld calibrator : a. Precision current source. b. Measurement of a current signal. c. Power and measurement of two wire loop. d. Precision DC mV source
Portable instrument for calibrating process devices and measuring process signals.
Adjustable 0-24 mA current source.
Adjustable -199.9 mV to +1.99.9 mV DC voltage source.
Current calibrator drives loads up to 500 ohms.
GENERAL SPECIFICATIONS
Display LCD display, max. display counts 1999. Operating 0℃ to 50℃( 32℉to 122℉).
13 mm ( 0.5" ) digit size. Temperature & Less than 80% RH.
Function 1) Current source Humidity
2) Current measurement Power Supply 006P DC 9V, MN1604/PP3 battery or
3) Power and current measurement of equivalent. Alkaline type or heavy duty type.
two wire loop Dimension 185 x 78 x 38 mm ( 7.3 x 3.0 x 1.5 inch ).
4) DC mV source Weight 265 g/0.58 LB ( including battery ).
Sampling Approx. 0.4 second. Accessories Operational manual............................... 1 PC.
Time Included Cable with the alligator pairs
( red & black ), LN-TL421...................... 1 PC.
ELECTRICAL SPECIFICATION ( 23 ±5 ℃)
Current source Current measurement
Range Display Accuracy Range Display Accuracy
Resolution
0 - 19.99 mA 0.01 mA ± ( 0.25 % FS + 1 d ) 0 - 19.99 mA 0.01 mA ± ( 0.25 % FS + 1 d )
0 - 24 mA 0.1 mA ± ( 0.5 % FS + 1 d ) 0 - 24 mA 0.1 mA ± ( 0.5 % FS + 1 d )
Power and current measurement of two wire loop DC mV source
Range Display Accuracy Range Display Accuracy
Resolution
0 - 19.99 mA 0.01 mA ± ( 0.25 % FS + 1 d ) - 199.9 mV 0.1 mV ± ( 0.25 % FS + 1 d )
0 - 24 mA 0.1 mA ± ( 0.5 % FS + 1 d ) to
* Provides power DC 12V 2 V to the loop and measures + 199.9 mV
current. * Output measured load impedance should > 1 K ohms.
* FS : full scale * FS : full scale
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