Calibration Services
High Voltage Test Dividers
Test Devices & Components
Calibration Services
Parker Medical, Inc. fabricates high voltage dividers, service tools, and test components for accurate high voltage measurement and calibration of x-ray imaging equipment.
Parker’s world-class ISO/IEC 17025 calibration lab calibrates test equipment to 160kV traceable to NIST, 250kV certification pending.
Parker Test Equipment Service Tools & Subsystems

- Dual-Pole & Monopole High Voltage Dividers
- High Voltage Test Cables with Federal Standard, Extended Federal Standard, & R-Series Terminations
- Junction Fittings & Extension Cables
- Switch Tanks
- Transient Current Monitor Tanks
- Load Simulators
- High Voltage Test Cables
- High Voltage Dummy Plugs
HV Divider Fabrication & Calibration Services
Parker Part No. | H0917 | H2828 | H2986 |
Configuration | Dual-pole | Monopole | Monopole |
Maximum Voltage | +/- 75kV | 180kV | 250kV |
Divider Resistance Range | 100 Megohm | 200 Megohm | 280 Megohm |
% Accuracy DC | 1 | 1 | 5 |
% Accuracy 1kHz | 3 | 5 | 10 |
% Accuracy 100kHz | 5 | 10 | 20 |
Voltage Ratio | Divider Output Impedance | ||
1000:1 | 10 M | 10 M | -- |
10,000:1 | 1 M | 1 M | 10 M |
100,000:1 | -- | -- | 1 M |
Weight (LBS) | 33 | 42 | 55 |
Dimensions (IN) | 11.5Dx10.25H | 12Dx13.75H | 11.5Dx18H |
HV Connectors* | 3-Pin Federal Standard (4EA) | 3-Pin Extended Federal Standard (2EA) | R-Series (2EA) |
*High voltage receptacles and test cable plug terminations available in custom configurations: 3-pin Federal Standard, 4-pin Grid, extended Federal Standard 1- to 6-pin, 160kV-250kV, R-24, R-28
*Dynalyzer HVU & Display calibration


High voltage extension cable with extended Federal Standard receptacle can and termination. Custom configurations available receptacle can and plug ends.
High voltage switch allows one power supply to power multiple x-ray tubes. Oil-filled enclosure supports 2 input receptacles and 4 output receptacles. Selector switch safety circuitry.
GICI Division of Parker Medical, Inc. introduces MammoCal® H3135P01 High Voltage Divider for Hologic™ Mammography System Calibration Customized for other Applications
MammoCal® compact, lightweight instrument for calibration of mammographic x-ray generators and other equipment types.
H1315P01 MammoCal®
- Attached 5-ft cable plugs into generator test well
- Safety ground
- BNC outputs for connection to oscilloscope, digital voltmeter, or both; switch selectable
- Frequency compensated, linear, accurate
Options in Development
- Carrying Case
- Replaceable high voltage cable

Specifications
- Operating Voltage: to 50kV
- Maximum Test Voltage: 60kV
- BNC Scope Output Ratio: 10,000:1 for 1 and/or 10meg loads
- DC Accuracy: 0.5% AS 9100/ISO 17025 accredited
- Frequency Compensated: to 100kHz (+/-3% – 1 kHz)
- Weight: 5.5 lbs 2.8 kg
- Dimensions: 10″H x 6″W x 2″ D
- High Voltage Cable: PIP 6′ terminated Banana Plug Contact