The HYAMP III series of manual Ground Bond instruments verifies the integrity of your product’s ground circuitry in a convenient cabinet design.

Choose from 4 different models with varying output current capabilities in compliance with international standards on the production line or in the lab.

Choose to operate the HYAMP III from its intuitive user interface or utilize the PLC I/O. Accurate 4-wire measurement and milliohm offset capability ensure your test results are accurate. Use the HYAMP III stand-alone or interconnect with a Hypot III or HypotULTRA III to form a complete safety compliance test system.


Associated Research HYAMP

Model overview

Ground Bond

Ground Bond

Ground Bond
3130 Yes
3140 Yes
3145 DC only
3160 Yes

Key features

The patented CAL-ALERT® feature automatically alerts the user when the instrument is due for re-calibration. This eliminates the need for manual tracking of calibration dates.

The VERI-CHEK® feature is a menu driven process by which the instrument's failure detectors are proven to be functioning properly, 'verifying' the functionality of the electrical safety tester and connected accessories.

Other features

  • Electronic Dwell
  • 4-wire measurement and milliohm offset
  • Storage of up to 10 setups with 3 steps per setup
  • Built-in Security settings
  • Minimum and maximum trip settings
  • Interconnect to Hypot® III to form a complete test system
  • Line and Load regulation


Option Details
Voltage 115/230 VAC ± 10%, user selectable
100-120/200-240 VAC ± 10%, auto-detection
Frequency 50/60 Hz ± 5%
Fuse 3130: 6.3 A, Slow Blow 250 VAC
3140: 10 A, Slow Blow 250 VAC
3145: 10 A, Slow Blow 250 VAC
3160: 15 A, Slow Blow 250 VAC
Mechanical Bench or rack mount with tilt up feet
Dimensions 3130: (W x H x D) 8.5 x 4.0 x 15.5 in. (216 x 103 x 390 mm) includes feet
3140: (W x H x D) 8.5 x 4.0 x 16.9 in. (216 x 103 x 430 mm) includes feet
3145: (W x H x D) 8.5 x 4.0 x 15.0 in. (216 x 103 x 370 mm) includes feet
3160: (W x H x D) 16.9 x 5.1 x 15.7 in. (430 x 130 x 400 mm) includes feet
Interface RS-232 Standard for Model 3145
Optional: external RS-232 interface for Model 3130
Weight 3130: 19.15 lbs (8.7 kg)
3140: 30.9 lbs (14 kg)
3145: 11.55 lbs (5.23 kg)
3160: 49.40 lbs (22.40 kg)
Memory 10 memories w/3 steps per memory
Remote Control The following input and output signals are provided through two 9 pin D type connectors:
1. Remote control: Test, Reset, Interlock, and Withstand Processing
2. Remote recall of memory program #1, #2, and #3)
3. Outputs: Pass, Fail, Test-in-process, Start Out and Reset Out

If you would like to talk to us about our range of Associated Research test and measurement solutions please contact our sales team on +44 (0)1908 282 766 or email us.