Spellman - Model MPS Series - High Voltage Module
pellman’s new MPS series are a family of high voltage 10 Watt modules that provide output voltages ranging from 1kV to 30kV. The MPS series are high performance products designed with Spellman’s hybrid topology of linear and switch mode power conversion techniques delivering lower noise with higher efficiency. The MPS series produces excellent ripple and stability performance specifications from a compact footprint. Additionally the MPS series features, as standard, a differential amplifier input for the voltage programming signal to improve immunity from external system noise and addressing any offset issues. Alternatively the output voltage may be pre-set by an internal potentiometer.
Products Details
- Differential Input for Voltage Program
- Optional RS-232/RS-485 Control
- Voltage and Current Monitors and Controls
- High Stability, Ultra Low Ripple and Noise
- CE Marked and UL61010-1 Certified
A fully featured remote user interface is provided via 15-pin D-type connector as standard and an optional RS-232 or RS-485 serial interface is also available. Spellman’s proprietary HV technology coupled with SMT circuitry results in an ultra compact and lightweight module that is available as either a positive or negative supply that is ideal for OEM applications.
Typical Applications
- Photomultiplier Tubes
- Electrostatic Printing
- Electron and Ion Beams
- Scintillators
- Electronmultiplier Detectors
- Microchannel Plate Detectors
- Mass Spectrometry
- Nuclear Instruments
- Electrostatic Lenses
Specifications
Input Voltage:
- +24 Vdc, ±2Vdc
Input Current:
- ≤ 1 amp maximum
Output Voltage:
- 9 models available from 1kV to 30kV
Output Polarity:
- Positive or negative, specify at time of order
Power:
- 10 watts, maximum
Voltage Regulation:
- Line: ≤ 0.001% of rated output voltage over specified input voltage
- Load: ≤ 0.001% of rated output voltage for full load change
- Current Regulation (VCC Option):
- Line: ≤ 0.01% for 1V input voltage change under any load conditions
- Load: ≤ 0.01% for full load to short circuit
Ripple:
- See “model selection” table
Stability:
- ≤ 0.007% per hour, 0.02% per 8 hours after 1.0 hour warm up period.
- ≤ 0.05% per 1000 hours after 1.0 hour warm up period (HS option)
Temperature Coefficient:
- ≤ 25ppm per degree C
- ≤ 10ppm per degree C (HS option)
Environmental:
Temperature Range:
- Operating: 0°C to 50°C
- Storage: -35°C to 85°C
Humidity:
- 20% to 85% RH, non-condensing
Cooling:
- Convection cooled
Dimensions:
- 1-10kV: 1.18. H X 2.75. W X 5.12. D (30mm x 70mm x 130mm)
- 15-20kV: 1.18. H X 2.75. W X 6.49. D (30mm x 70mm x 165mm)
- 30kV: 1.37. H X 2.95. W X 8.47. D (65mm x 75mm x 215mm)
Weight:
- 1-3kV: 9.88 oz. (280g)
- 5-10kV: 14.82 oz. (420g)
- 15-20kV: 22.92 oz. (650g)
- 30kV: 35.51 oz. (950g)
Interface Connector:
- 15 pin male D connector
Output Connector:
- A captive 39.4. (1 meter) long shielded HV cable is provided
Regulatory Approvals:
- Compliant to EEC EMC Directive. Compliant to EEC Low Voltage Directive.
Options:
- VCC - Variable Current Control
- HS - High Stability
- DCC 2 - RS-232
- DCC 4 - RS-485
- Note: It is not possible to supply the unit with both full HS and DCC options
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