LC-110H Precision Current Loop Calibrator

With HART Communications / Diagnostics

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Does your loop calibrator talk to HART devices? Why not?

The Martel LC-110H mA (loop) calibrator is designed to take the loop calibrator class to the next level. The LC-110H differs from the standard LC-110 in that it incorporates HART communications and supports a select set of the HART universal and common practice commands. This unique feature allows the LC-110H to be used as both a loop calibrator and communication tool.

In the communicator mode the user will be able to read basic device information, perform diagnostic tests, and trim the calibration on most HART enabled transmitters. In the past, this could only be done with a dedicated communicator, high-end multifunction calibrator costing thousands of dollars, or a laptop computer with HART modem. The LC-110H will allow many more technicians to service and support HART devices.

In addition to HART communications, we also gave the user the ability to get information out of the LC-110H. Need to quickly document the parameters of all the HART transmitters in your plant? Just add the BetaLOG HART software/cable to capture and upload to twenty configurations in either (.csv) or (.txt) format.

General Features:

  • Best in Class Accuracy at 0.01% Reading
  • Small Rugged design operates on (6) alkaline AAA batteries
  • Intuitive interface that features a Quick-Set Knob
  • 24 VDC loop power with mA Measure Mode (-25% to 125%)
  • Resolution of 1µA on mA ranges and 1mV on voltage ranges
  • Built in selectable 250Ω resistor for HART communications
  • Simple two wire connection for all measurements
  • Auto Shutdown to conserve battery life (adjustable up to 30 minutes)
  • Variable step & ramp time in seconds
  • Adjustable span selection (0 to 20mA or 4 to 20mA)
  • Valve Test (simulate defined mA values with % keys)

Built in HART modem for communication capability to perform the following:

  • Read Message
  • Read Tag, Descriptor, Cal Date
  • Read Sensor PV Information
  • Read PV Output Information
  • Read Long Tag
  • Write PV Ranges (Upper and Lower)
  • Enter/Exit Fixed Current Mode
  • Set Zero Offset
  • Trim DAC Zero
  • Trim DAC Gain
  • Write Long Tag
  • Write Short Tags
  • Edit PV Units
  • Write Message and Descriptor
 
Specifications
Specifications
Functions mA source, mA simulate, mA read, mA read/loop power, and volts read
Ranges mA (0 to 24 mA) and Volts (0 to 30 VDC)
Resolution 1uA on mA ranges and 1mV on voltage range
Accuracy 0.01% ± 2 LSD all ranges (@23°C ± 5°C)
Operating Temperature Range -10°C to 55°C
Operating Humidity 10-95% RH non-condensing
Stability 20ppm of FS/°C from -10 °C to 18 °C and 28 °C to 55 °C
Display 128 x 64 pixels, LCD Graphic w/backlight, .34" high digits
Power 6AAA alklaline, lithium, or NiMH batteries
Battery Life >40 hours continuous use (measure mode using alkaline)
Loop Compliance Voltage 24VDC @ 20mA
Over-Voltage Protection 240 VAC
Overload Current Protection 28mA DC
EMC EN61326 Annex A (Portable Instruments)
Dimensions 6" x 3.6" x 1.3' (H x W x D)
15 cm x 9 cm x 3 cm
Weight 9.5 ounces (0.3kg)
Included Accessories batteries, test leads, NIST Cert with data, and manual

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“Industrial Technical Services is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels”.

 

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