Martel LC-110H Precision Current Loop Calibrator with HART Communications / Diagnostics
Perhatian!
Spesifikasi Martel LC-110H Precision Current Loop Calibrator with HART Communications / Diagnostics
- 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 peform 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
| 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 (0.3 kg) |
| Included Accessories | batteries, test leads, NIST Cert with data, and manual |
DarmatekInstrument
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