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IVC-222HPII Voltage/Current Calibrator
MS-420 Mini-Source Portable Calibrator
IVC-222HPII
Voltage/Current Calibrator
Cal Lab accuracy in a hand-held calibrator
Features:
Remarkable 0.015% of reading
accuracy
Four ranges: 200 mV, 2 V, 20 V,
and 24 mA
Intuitive, easy-to-use controls
RS-232 interface allows computer
control
Built-in 24 V supply can drive 4 to
20 mA loops over 1,000 Ohms
Rugged, lightweight, hand-held unit
Includes test leads, carrying case, 9 V battery, NIST
Certificate, and instruction manual
The Martel Electronics IVC-222HPII Voltage/Current
Calibrator is a general purpose current and voltage source
that can be used in engineering, manufacturing, test, and
process control applications. It combines both digital and
analog circuitry to achieve its’ rated specifcations in a
small, reliable package.
The IVC-222HPII has the capability to store and recall up
to two setpoint values using the SP1 and SP2 keys. An
RS-232 port accessed via a custom cable (available from
Martel) allows the calibrator to be computer controlled for
automated testing.
Specifications
MS-420
Mini-Source Portable Calibrator
Typical Applications:
Chart recorder
Panel meter
Data acquisition
Other process
instruments
The Martel Electronics MS-420 Mini-Source Portable
Calibrator is a multi-purpose process loop tool that offers
high accuracy in an ultra-small, rugged package.
A single pushbutton selects one of five current outputs
(4, 8, 12, 16, or 20 mA), which can drive up to 300 Ohms,
or can act as a 2-wire simulator with an external loop
power supply of up to 30 VDC.
Each unit is provided with a 9 V batery, NIST Certificate,
and instruction manual.
Specifications
Output Range
Output
Five current steps;
Voltage
Current
Resolution
200 mV, 2 V, 20 V
24 mA
Accuracy
Voltage Compliance
4, 8, 12, 16, and 20 mA
± 0.075% of FS
Voltage
Current
Accuracy
Temp. Stability
Load Capability
Voltage
0.01 mV, 0.0001 V, 0.001V
0.001 mA
± 0.015% of reading, ± 2 count; 18 ° C to
28 ° C
± .005% FS/ ° C
± 1 mA for rated accuracy
Source Internal 9 V battery
Simulate External supply; up to 30 VDC
Power Supply 9 Volt alkaline battery
Battery Life 50 Hours @ 4 mA output
Temperature Range
Operating 0 ° C to +50 ° C
Storage -25 ° C to +60 ° C
Current 1,000 Ohms
Capacitive no limitations (voltage mode only)
Mechanical Dimensions
Size 3.8" x 2.4" x 1.0"
Output Protection
Power Supply
current limited internal RESET
9 Volt alkaline battery or optional NiCd
Weight 6 ounces
Output Terminations Two (2), 8" leads with alligator clips
Mechanical Dimensions
Size 1.43" x 3.15" x 5.7"
Weight 12 ounces
Martel Electronics, P.O. Box 770, Londonderry, NH 03053
Tel: 800-821-0023, E-mail: sales@martelcorp.com, Web: www.martelcorp.com
021219R1/OEMM
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