ESI-44 Laser Trimmer
will be upgraded / rebuilt with
WIN44 software!



TypePlug-in DVOM and programmable scanner switch modules. Optional test interfacing and instrumentation
Interfacing OptionsIEEE 488(general purpose interface bus)
Wire wrap module (custom interface)
Contact closure module (switching interface)
Optional Resistance Ratio BridgeHigh-speed resistance measurements to 530 Mohms.
Compensation of voltage offsets and thermal e.m.f.'s.
Track and trim capability.

15 degrees *C* to 25 degrees *C* / 59 degrees *F* to 77 degrees *F*
Relative Humidity10% to 80% (non-condensing
Altitude6000 feet above sea level maximum.

Facility Requirements
Electrical Power System (less laser)110 to 130 VAC, 30A, 50/60 Hz
Air (parts handler)Approximately 550 kPa (80 ls/in2) filtered
Vacuum Exhaust2830 Litres / min (100 scfm)min minimum at 10 kPa (40 in w.g. ) minimun
Tap Water (For Laser Cooling)Approximately 9.5 litres/min. minimum at 200 kPa, 27 degrees *C* maximum (20 gal/min minimum at 30 lb / in2, 80 degrees *F* maximum)
Floor SpaceApproximately 3.2 m x 4.5 m (130 in x 178 in)
Air Conditioning15,000 to 20,000 BTU/hr
SYSTEM Electrical PowerInput Power208 VAC +-10%, 30A, 50/60Hz, single phase
LASER Electrical PowerInput Power208 VAC +-10%,
49/61Hz, 3Ph, 15A per leg maximum
Free Air VacuumUsed for substrate hold down. Flow required: 4.2 ft3/mn (1.28 m3/min) at 0Hg. Maximum: 1.4 ft3 minimum (0.43 m3 minimum) at 20 in. Hg.
Vacuum Hose receptacle: 3/8 in (9.5 mm) use an 18 NPT - type fitting.
Exhaust VacuumMaximum flow 200 ft3/min. at 4.5 in. wg to 490 ft3/min at 2.0 in. wg (.094 m3/sec. at 1.1 kPa to 0.23 m3/sec at 0.5 kPa)
Receptacle on system hood is 3 in. (7.7 cm) diameter
Laser Cooling WaterCooling water pressure in the range of 40 to 80 psi (276 to 530 kPa) with an optimum of 60 psi (414 kPa) recommended.Minimum flow rate of 3 gal/min (11.4 liters / min.) and a maximum temperature of 80 degrees *F* (27 degrees *C*) and a minimum of 40 degrees *F* (4 degrees *C*.
Heat dissipation 10240 BTU /hr (3kW). Drainage rate to match input rate.
Drain hose: 3/4 inch (19.05 mm) National Hose Fittings.
Floor SpaceApproximately 130 in x 178 in (3.2 m x 4.5 m )
Air Conditioning15000 to 20000 BTU / hr.

The above information is accurate
and was recreated from a ESI Laser Trimmer Data Sheet.