HM-USB-ISO HART Modem - USB — VISA Pvt. Ltd Chennai
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HM-USB-ISO HART Modem - USB

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Electrically isolated USB HART modem with 1500 Vdc opto isolation, HART Foundation registered, enabling reliable PC communication with HART field devices and transmitters.

Key Specifications

Make
VISA
Model
HM-USB-ISO
Output
600 mVpp
Leakage
< 10 uA
Function
USB HART Modem
Humidity
0% to 99% (non-condensing)
Warranty
1 Year
Dimensions
2.75 x 2.0 x 0.8 in (70 x 51 x 20mm)
Current Draw
20mA
Power Source
USB port powered
Certification
CE Certified, HART Foundation Registered
HART Interface
Capacitive and transformer coupling
USB Cable Length
18 in (0.5 m)
Connection Method
Across loop resistor or HART field device
Country of Origin
Made in India
HART Cable Length
4 ft (1.2 m)
Isolation Voltage
1500 Vdc
Total Unit Weight
3 oz (85 g)
USB Specification
USB 1.1, USB 2.0
Enclosure Material
High strength ABS Plastic
Storage Temperature
-40°C to 85°C (-40°F to 185°F)
USB Cable Connector
USB Type A
HART Cable Connectors
Mini-Grabber
HART Protocol Support
HART 4, HART 5, HART 6, HART 7
Operating Temperature
0°C to 50°C (32°F to 122°F)
HART Physical Layer Spec
HCF_SPEC-54
Operating System Support
Windows NT, 2000, XP, Vista (32/64), 7 (32/64)
HART Foundation Registration
L2-06-1000-070

Applications

Process Automation Field Device Configuration Instrument Calibration Chemical Processing Power Plants Pharmaceutical
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Product Description

The HM-USB-ISO HART Modem - USB is an electrically isolated communication interface that enables a PC to communicate with HART-enabled field devices, transmitters, and valves. Featuring 1500 Vdc opto isolation between the HART and USB circuits, it ensures safe, reliable signal transfer during configuration, calibration, and diagnostics in industrial environments.

Key Features:
- 1500 Vdc opto isolation between HART and USB circuits
- USB 1.1 and 2.0 compatible
- Integral standard USB Type A connector
- Integral heavy duty HART Minigrabber connectors
- Certified to meet HART Physical Layer Spec HCF_SPEC-54
- Self powered via USB, no external power supply or batteries needed
- 48 inch (1.2m) HART cable length
- Easy to install Virtual Serial Port for any Windows application
- Compact size: 2.75 x 2.0 x 0.8 inches (70 x 51 x 20mm)
- Rugged ABS plastic enclosure
- Custom cable lengths available
- Banana plug option available (HM-USB-ISO-BP)
- HART Modem Test Program included
- HART Foundation Registered, Registration Number L2-06-1000-070
- CE certified
- Each unit 100% tested before dispatch
- 1 year warranty

Applications:
- HART field device configuration and commissioning
- Transmitter and control valve diagnostics
- Calibration and maintenance of process instruments
- Process automation and instrumentation servicing
- Pharmaceutical, chemical, and power plant instrumentation support

Technical Specifications

Make VISA
Model HM-USB-ISO
Output 600 mVpp
Leakage < 10 uA
Function USB HART Modem
Humidity 0% to 99% (non-condensing)
Warranty 1 Year
Dimensions 2.75 x 2.0 x 0.8 in (70 x 51 x 20mm)
Current Draw 20mA
Power Source USB port powered
Certification CE Certified, HART Foundation Registered
HART Interface Capacitive and transformer coupling
USB Cable Length 18 in (0.5 m)
Connection Method Across loop resistor or HART field device
Country of Origin Made in India
HART Cable Length 4 ft (1.2 m)
Isolation Voltage 1500 Vdc
Total Unit Weight 3 oz (85 g)
USB Specification USB 1.1, USB 2.0
Enclosure Material High strength ABS Plastic
Storage Temperature -40°C to 85°C (-40°F to 185°F)
USB Cable Connector USB Type A
HART Cable Connectors Mini-Grabber
HART Protocol Support HART 4, HART 5, HART 6, HART 7
Operating Temperature 0°C to 50°C (32°F to 122°F)
HART Physical Layer Spec HCF_SPEC-54
Operating System Support Windows NT, 2000, XP, Vista (32/64), 7 (32/64)
HART Foundation Registration L2-06-1000-070

Why Order from VISA Pvt. Ltd?

Factory-calibrated and quality tested before dispatch
35+ years of instrumentation expertise
Technical support from our Chennai engineers
Competitive pricing with manufacturer warranty

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