• Ultrasound Frequency: 2 MHz continuous wave
• Transducer: 2 crystal narrow beam
• Output power: <10mW/mm² SATA
• Audio Response 300Hz -1 KHz
• Fetal heart rate: multipoint real time autocorrelator (only code 29503 and 29505)
• Unit Controls Keys: 1 Key (for unit on/off)
• Controls : rotary volume
• Indicators: 3 digit FHR LCD display (codes 25903, 29505)
• FHR pulse icon (codes 25903, 29505), Battery low icon
• Power supply: Battery 9 V Alkaline Manganese
• Expected battery life: >6 hours (codes 29503, 29505) >9 hours (codes 29502)
• Output Headset: Audio output to optional headset
• Serial: RS232 interface (codes 29503, 29505)-jack 35 mm
• Material: ABS / Noryl
• Size: 150 x 75 mm
• Weight: 295 g (with transducer)
• Classification: Class I Type B - IEC 60601-I 0120
• Warranty: 1 year
• Made in UK