MKS ENI Mid. Frequency Power Supplies: GMW, NOVA

Model#	Part#	AMAT#	Rebuilt
GMW-25	GMW25A-2D0F3N0-003	0190-36308	$6,800
GMW-25	GW2502MA-B1C001-L2	660-110685-012	$6,800
GMW-25Z	GMW25Z-2D0F2N0-001	0190-21831	$5,500
GMW-50	GMW50A-2D0F2H0-001	-	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800
GMW-50	GMW50A-2D0F2H0-001	0190-13202	$7,800

Model	MHz	kWatts	Rebuilt
NOVA-25A	2	2.5	$5,750
NOVA-50A	2	5	ask

Specifications	NOVA-25A	NOVA-50A
Rated Power Output	2,500W (into 50 ohm load)	5,000W (into 50 ohm load)
Frequency/Stability	2.00MHz ±0.005%
Dynamic Power Range	10-2,500W	10-5,000W
Load Impedance Range	Unlimited
RF Stability/Spurious Output	Unconditionally stable for any load within operational limits <-50dBc
Harmonic Output & Distortion	<-40dBc
Load Mismatch Protection	Automatic; forward power limits typically 0.25ms after reverse power reaches a pre-programmed level .20% of rated power.
Regulation Tolerance	>250 W: <2.0% SP <250 W: ±2.5 W	>500 W: <2.0% SP <500 W: ±5.0 W
Primary AC Power Source	200/208 VAC, 3/PE~ (3W+G) 16A/PHASE	200/208 VAC, 3/PE~ (3W+G) 32A/PHASE
Cooling System	Water flow at 2.0 Gal./Min. (7.6 LPM) minimum at +5 Connections provided to accept 3/8" male (NPT) pipe thread.
Power Readout	Digital readout displays frequency and forward, reflected and load power.
Compliance	NRTL Listed: UL3111-1 (1994) CAN/CSA C22.2 No. 1010.1-92 EN61010-1: 1993; A2:1995 EN50081-2: 1992 EN50082-2: 1995
Weight	55 lbs (24.9 kg)	91 lbs (41.3 kg)
Dimensions	5.25" x 19" rack mount x 20.5" (133 x 483 x 521 mm.) (HxWxD) (excluding handles & connectors)	8.72" x 19" rack mount x 22.1" (221 x 483 x 560 mm.) (HxWxD) (excluding handles & connectors)
Remote Interface Connectors	Standard: RS-232 Subminiature, Type-D 9-pin digital; optional custom interface cards available.
RF Output Connector	Type N	Type HN
Rack Mounting	19-inch adapters supplied

Operating at a frequency range of 1.8MHz to 2.17MHz, these MKS ENI mid. frequency GMW-25 and GMW-50 have the DSP-based control module which automatically measures forward RF power and reflected RF power, maintaining constant power output with in ±1% of set point over a Dynamic Power Range of 25 to 2,500 Watts.

Model #	Part #	Customer Part #	kWatts	Rebuilt
B-5002	B-5002-02	0190-15320	5	$6,500
Spectrum 11002-00	Spectrum 11002-00	0190-22201	11	$12,500

Specifications	B-5002-02	11002-00
Frequency (MHz)	2.00
Dynamic Power Range	50-5,000W	100-11,000W
Load Regulation (worst phase forward power)
W nominal into 1.1:1 VSWR	5,000W	11,000W
W nominal into 1.5:1 VSWR	4,278W	8,500W
W nominal into 2.0:1 VSWR	3,465W	6,800W
W nominal into 3.0:1 VSWR	2,738W	5,100W
W nominal into ∞:1 VSWR	1,000W	2,000W
Load Impedance Range	Unlimited
RF Stability Spurious Output	Unconditionally stable for any load within operational limits <40dBc into 50 ohm load
Harmonic Output/Distortion (at max power)	<45dBc, Maximum (50 ohm load)	<30dBc, Maximum (50 ohm load)
Frequency	0-1kHz
Minimum Pulse Width	100 sec
RF Rise/Fall Time	100 sec
Power Control Accuracy	10W or 2% above 500W	20W or 2% above 1,000W
Interface	RS232, subminiature 9-pin Type DB9F
Optional	External: 25 pin Analog, or DeviceNet
Dimensions H x W x D inches (mm)	5.25 x 17 x 24 (133 x 432 x 610)	8.75 x 17 x 22 (222 x 432 x 559)
Generator Weight (maximum)	57 lbs	130 lbs
Primary AC Power Source	200/208 VAC 10% 3 Phase
Rated Current	<25A/phase	<50A/phase
Ambient Temperature	+5 to +35C, non condensing
Cooling Water (minimum)	2.0 gpm
Compliance	CE to EMC 89/336/EEC and LVD 72/23/EEC; NRTL Listed
RF Output Connector Type	HN	SQS (F)

Model	AMAT #'s
GHW-12	0190-06990, 0190-21832
GHW-12	0190-06988, 0190-09832, 0190-14992
GMW-25	0190-21831
GHW-50	0920-01098, 0920-01098W
GHW-85	27-105447-00, R27-274812-00
B-5002	0190-15320
B-11002	0190-22201

GMW-25Z Specifications

RF output frequency: 2.00 MHz
RF output power rating into matched load: 2,500W into a 50Ω load
RF output power rating into mismatched load (all Φ):

Forward Power Load VSWR
2,500W 1.5:1
2,000W 2.0:1
1,500W 3.0:1
500W ∞:1
Dynamic power range: 5-2,500W
Load impedance range: Unlimited
RF stability/spurious output: Unconditionally stable / < -50dBc (for any load, within ratings)
Harmonic output/ distortion: <-40dBc (within ratings)
Power control/ regulation:
AC line-to-power 0.5% max. change in output power over rated line voltage range.
Regulation tolerance is referenced from set point. Subject to limits of forward & reverse power and current; accuracy relative to ENI power standard.

Power Range Reg. Tolerance
>250W ±1%
<250W ±2.5W
Load mismatch protection: Automatic; forward power limits typically 0.25 ms after reverse power reaches a pre-programed level 20% of rated power.
Primary AC power source: 3/PE∼, 380-480V ±5%, 15A, 50-60Hz ±3Hz
Power consumptions: 5.4kVA (480VAC, 60Hz)
Power factor at maximum output into a matched 50Ω load: >0.70
Cooling system: Combination of water-cooling and forced-air cooling.
External ambient air: Temperature rating 10-40 °C
Cooling water: Inlet temperature rating 5-35 °C
Connections: Accept ¼" male (NPT) pipe thread
Size* H x W x D- 5.25" x 19" rack mount x 22.62" *(including handles and connectors)
Weight: 55lbs.
Remote interface connector: Standard-subminiature type D, 9-pin digital; optional custom analog interface cards available.
RF output connector: Type N or custom
Equipment internal fuse ratings: Fuses F4-F6 on housekeeping power supply PCB Assy (1050-230) 3A, 250V

Forward Power	Load VSWR
2,500W	1.5:1
2,000W	2.0:1
1,500W	3.0:1
500W	∞:1

Power Range	Reg. Tolerance
>250W	±1%
<250W	±2.5W

ENI GHW-12

Read the manufacturers specifications for the GHW-12.