Spellman uX50P50, Instruction Manual

The uX Series is the result of Spellman’s exceptional

high voltage packaging and surface mount fabrication

techniques coupled with proprietary encapsulation

technology producing this ultra-compact X-Ray generator

module. The uX powers grounded cathode X-Ray tubes

from a variety of well-known manufacturers, featuring a 

0 to 50kV/65kV high voltage output @ 2mA limited to 50, 

65 or 75 Watts. The uX uses closed loop filament control 

circuitry providing highly regulated beam current. The low

noise dc filament supply operates between 0.3 and 3.5

amps. Offering tight regulation, high stability and low 

ripple, the uX provides users local and remote analog

control to set beam voltage, emission current and filament

current limit. USB, RS-232 and Ethernet interface is standard.

TYPICAL APPLICATIONS

Powering grounded cathode X-Ray tubes from 

Kevex, Oxford, RTW, Superior, Varian and Trufocus.

OPTIONS

XCC

XRM Compatible HV Cable (50kV only) 

5VPM

0 to 5 Volt Programming and Monitor Scaling

GB

Grid Bias Option

K5302

Mammoflex HV cable for uX

K2001

Mammoflex HV cable for uX w/XCC option

SPECIFICATIONS

Input:

+24Vdc ±10%, 5.0A maximum for either 50 Watts or 75 Watts.

+24Vdc ±1V, 5.0A maximum for 65kV/65W units.

Efficiency:

75%, typical 

Output:

0 to 50kV at 0 to 2mA, limited to a maximum of 50 wattsr 

or 75 Watts. 0-65kV at 2mA limited to 65 Watts.

Voltage Control:

Local: Internal multi-turn potentiometer to set voltage 

from 0 to full output voltage.

Remote: 0 to +10Vdc proportional from 0 to full output voltage.

Accuracy: ±1%. Z

IN

: 10Mohm.

Emission Control:

Local: Internal potentiometer to set beam current 

between 0 and full output current.

Remote: 0 to +10Vdc proportional from 0 to full output current. 

Accuracy: ±1%. Z

IN

: 10Mohm. Filament limit and 

filament preheat control capability is also provided.

DC Filament Supply:

Islolated filament power supply generates emission

current feedback signal for accurate low X-Ray tube 

current performance.
Current: 3.5A, adjustable limit 

Voltage: 5.0 volt limit

Environmental:

Operational: 0°C to +50°C

Storage: -40°C to +85°C

Humidity: 0% to 90%, non-condensing

Temperature Coefficient:

0.01% per °C, voltage and current.

Stability: 

0.05% per 8 hours after 1/2 hour warm-up.

Voltage and Current Monitors:

0 to +10Vdc proportional from 0 to rated output. Accuracy ±1%.

Redundant Voltage Monitor:

A redundant high voltage feedback divider with proportional

0 to +10Vdc = 0 to 100% output voltage signal can be provided 

on a custom basis.

Dimensions:

50kV Unit:        4.00”H x 2.87”W x 8.00”D 

(101.6mm x 72.95mm x 202.20mm).

65kV Unit:        4.00”H x 2.87”W x 9.00”D 

(101.6mm x 72.95mm x 228.60mm).

XCC Option:    4.00”H x 2.87”W x 9.00”D 

(101.6mm x 72.95mm x 228.60mm).

Weight:

4.5 lbs. (2.1kg) typical

Regulatory Approvals:

Compliant to 2004/108/EC, the EMC Directive and 2006/95/EC, 

the Low Voltage Directive (approval pending). UL/CUL

recognized, File E227588 (approval pending). Compliant to 

2002/95/EC, RoHS.

•

50kV at 2 mA. 50 or 75 Watt Max.

•

65kV at 2 mA. 65 Watt Max.

•

Adjustable Isolated Filament Supply 

•

Overvoltage & Short Circuit Protection

•

Voltage & Current Programming 

•

Local and Remote Emission Control

•

Safety Interlock

•

RS-232, Ethernet, & USB Standard

•

Redundant HV Monitor Signal Available

•

OEM Customization Available 

SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION

u

X

50W/65W/75W X-RAY 

GENERATOR

PAGE 1 OF 5

30% Smaller 

than MNX

Corporate Headquarters

Hauppauge, New York USA

+1-631-630-3000     FAX: +1-631-435-1620

e-mail: sales@spellmanhv.com

www.spellmanhv.com

128108-001    REV. A

Spellman High Voltage is an ISO 9001:2008 and ISO 14001:2004 registered company

Copyright © 2014 Spellman High Voltage Electronics Corp.