Ambco Pure Tone Audiometers. Electric. Features: Portable, Lightweight, Easy to use tone Switch, Tone Present indicator, Plug-in 110 or 220 volt, 5 yearh warranty, Extremely accurate, Exceeds all specifications, Steady and pulsed tone, Custom Carrying Bag, Patient Response. Frequency Range: 250, 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz Accuracy better than +- 3% (Steady and pulsed tone. Hearing Threshold Range: 0 to 90dB in 5dB steps Accuracy better than +- 2 dB. Harmonic Distortion: less than 3%. Power- 110 -230 VAC, 50-60 HZ UL, C.S.A. Approved power supply. Total Weight less than 4.5 lbs (complete with headset, TDH 39 earphones, patient response, audiogram pad and carrying bag).

2500 Automatic Microprocessor Controlled Audiometer, OTO-CHEK,DPU-414 Printer & Paper. Automatic. SemiAutomatic, Manual Tests. Print and storetests automatically. Internal memory stores up to 260 tests. Computer Compatible.Large character LCD display. Input social security number for ID. Large print out results. Calibration date, test date, calibration due date on report. Fast Print (Less than 20 seconds depending on printer). Visual and audible alarms. Pause, resume, for operator control. UOM: EACH

Pure Tone Audio Meter with A/C Adapter, Battery and Carry Bag. Portable, light weight. Easy to use tone switch. Tone present indicator. Plug-in and battery. Battery life indicator. Five year warranty. Extremely accurate. Exceeds all specifications. Steady and pulsed tone. Custom carrying bag. UOM: 1/EA.

Patient Response Push Button for use with Audiometer. UOM: 1/EA.