The Associated Research HypotULTRA® III Model 7650 is a fully-automated, 3-in-1 electrical safety analyzer designed for AC Hipot, DC Hipot, and Insulation Resistance testing. Engineered for both automated systems integration and standalone bench applications, the 7650 features an enhanced graphic LCD, an analog bar graph, and a 2K Ohm point-to-point continuity test mode that enables users to execute safety checks with a single set of connections.

Specifications

General

ParameterValue
InterfacesRS-232, PLC Remote, Signal Input, Signal Output (Standard); GPIB, USB, Ethernet (Optional)
DisplayEnhanced graphic LCD with analog bar graph
Cal-Alert Calibration WarningYes

Physical

ParameterValue
Power Supply115 / 230 V AC ±10% (switch selectable), 50 / 60 Hz ±5%, 400 VA max
Operating Temperature0 to 40 °C
Dimensions (W×H×D)430 x 133 x 400
Weight20.8 kg

AC Dielectric Withstand (AC Hipot)

ParameterValue
Output Voltage Range0 to 5000 V AC
Voltage Resolution1 V
Voltage Accuracy±(1% of setting + 5 V)
Output Frequency Range50 / 60 Hz selectable
Output WaveformSine wave
Max Rated Current40 mA
Current Measurement Range0.00 to 40.00 mA
Current Resolution0.01 mA
Current Accuracy±(1.5% of reading + 0.05 mA)
Arc Detection Threshold Range1 to 9 levels (sensitivity)

DC Dielectric Withstand (DC Hipot)

ParameterValue
Ripple Peak-to-Peak< 5% (at 6 kV DC / 10 mA)
Auto-Discharge Device FunctionYes, automatic safe discharge of EUT after testing

Insulation Resistance (IR)

ParameterValue
Resistance Measurement Range1 MΩ to 9999 MΩ
Resistance Resolution1 MΩ
Resistance Accuracy±(2% of reading + 2 MΩ) (1 - 999 MΩ), ±(5% of reading + 5 MΩ) (1000 - 9999 MΩ)
Max Charging Current12 mA max

Ground Bond / Continuity (GB)

ParameterValue
Test Current Range100 mA DC fixed

Test Control & Timing

ParameterValue
Ramp-Up Time Range0.1 to 999.9 s
Ramp-Down Time Range0.0 to 999.9 s
Dwell Time (Test Time) Range0.0 to 999.9 s (0 for continuous)
Delay Time Range0.0 to 999.9 s
Timing Resolution0.1 s
Timing Accuracy±(0.1% + 0.05 s)

Safety & Protection Features

ParameterValue
Ground Fault Interrupt (GFI) Trip Current< 450 µA
Safety Interlock TypeRemote Interlock (Signal Input)
Fast Cut-Off Response Time< 2 ms
Visual Fail/Pass IndicatorsPass/Fail LEDs on front panel, plus LCD screen icons
Audible Alarm OutputYes, with adjustable volume
High Voltage Active Light StatusFlashing red High Voltage indicator LED

System, Memory & Programming

ParameterValue
Internal Memory Capacity50 steps
Step Link / Auto-Sequence CapabilityYes
Key Lock / Security Password ProtectionKey lock and software lockout

Connectivity & Interfaces

ParameterValue
Remote I/O (PLC) InterfaceStandard 9-pin D-sub
External Scanner/Matrix InterfaceOptional built-in 4 or 8 port scanning matrix

Power & Physical Specifications

ParameterValue
AC Input Voltage Range115 / 230 V AC ±10%
Line Frequency Range50 / 60 Hz ±5%

Environmental & Compliance

ParameterValue
Storage Temperature Range-20 to 70 °C
Operating Humidity Range0 to 80% RH (non-condensing)
Calibration Interval1 Year

AC Hipot

ParameterValue
Max AC Output Power500 VA

DC Hipot

ParameterValue
Max DC Output Power120 W

Safety & Protection

ParameterValue
SmartGFIYes

Measurement & Control

ParameterValue
Ramp-HI Charging Current LimitYes
Charge-LO DetectionYes

Options

ParameterValue
Optional Internal Scanner8-channel high voltage scanner (Option 01)

Compliance

ParameterValue
Safety CertificationsCE, cTUVus

Interfaces & Control

ParameterValue
PLC Control InputsStart, Stop, Interlock
PLC Control OutputsPass, Fail, Test-In-Progress

Continuity Test Specifications

ParameterValue
Continuity Test Current0.1 A DC ± 0.01 A
Continuity Resistance Range0.00 Ω - 10.00 Ω
Continuity Resistance Resolution0.01 Ω
Continuity Resistance Accuracy±(1% of reading + 0.02 Ω)

Insulation Resistance Test Specifications

ParameterValue
Insulation Resistance Voltage Range100 V - 1000 V DC
Insulation Resistance Voltage Resolution1 V
Insulation Resistance Voltage Accuracy±(1.5% of setting + 2 V)

Environmental & Safety

ParameterValue
Operating AltitudeUp to 2,000 meters
Pollution Degree2
Installation CategoryCAT II

Technology

Dielectric Analyzer

Applications

Automated AC/DC Hipot, Insulation Resistance, and high-voltage point-to-point continuity testing for electrical safety compliance.