2016年4月11日星期一

MS7217 Auto Range Loop Calibrator with Push Button and Large LCD Display

chinacoal11
www.chinacoalintl.com
m.chinacoalintl.com
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Large display and simple, quick-click interface for easy one-handed operation.
Simultaneous mA and % readout for quick, easy interpretation of readings.
mA accuracy of 0.025%, superior to other loop calibrators in this price range.
1 µA resolution for mA source, simulate and measure.
Push button 25% steps for fast, easy linearity checks.
0-100% span checkfor fast confirmation of zero and span.
Selectable slow ramp, fast ramp, and step ramp to provide smooth outputs for valve slewing and loop functional tests.
24 volt internal loop supply, so you can power and read a transmitter at the same time without carrying a DMM.
Measures V dc to 28 V.
A group of large capcity Lithium Battery (4.7V)
0 - 20 mA or 4 - 20 mA default start up modes.
Innovative output adjustment dial with 1 µA and 100 resolution.
HART mode connects 250 Ω resistor in series with 24 V loop for compatibility with HART communicators.
Specifications
Current Measurement
Range:
0 to 24 mA
Resolution:
0.001 mA
Accuracy:
0.02% Rdg + 4 LSD
Current Sourcing
Range:
0 to 20 mA or 4 to 20 mA
Accuracy:
0.02% Rdg + 4 LSD
Drive Capability:
1200 Ω; 950 Ω at 20 mA in HART mode
Current Simulation
Range:
0 to 20 mA or 4 to 20 mA
Accuracy:
0.02% Rdg + 4 LSD
Ext. loop voltage requirement:
 12-30 V
Loop Power
 While measuring mA, 24 V
Voltage measurement
Range:
0 to 28 V DC
Resolution:
1 mV
Accuracy:
0.02% Rdg + 4 LSD
Environmental Specifications
Operating Temperature             -10ºC to 55ºC
Storage Temperature               -30ºC to 60ºC
Humidity (Without Condensation)    0 to 90% (0ºC to 35ºC); 0 to 70% (35ºC to 55ºC)
Temperature Coefficient            -10ºC to 18ºC, 28ºC to 55ºC, ±.005% of range per ºC
Safety Specifications
Maximum voltage       30V
Mechanical & General Specifications
Size                      152 x 70 x 41 mm
Weight                    224 g (340 g including holster)
Batteries                   a group of large capcity Lithium Battery (4.7V)
Warranty                   Two years
Shock & Vibration            per MIL-T-28800 for a Class 2 Instrument
Display current and % of span   Yes
Auto step, auto ramp           Yes
Span Check                  Yes


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