Easy to Use, Compact Ultrasonic Doppler

FEATURES

• Compact Li-ion Battery Charger
• Large Backlit LCD Display
• Built-in Audio Recorder
• Interchangeable Waterproof Probe

 

Additional features include:

• Accurate FHR detection with clear sound
• Supports 2MHz, 3MHz, 4MHz and 8MHz waterproof probes
• Automatic and manual FHR counting
• Up to four hours of continuous use
• Automatic power-off

 

SPECIFICATIONS

• LCD display: 45 mm x 25 mm
• Heart rate range: 50~210 bpm
• Resolution: 1 bpm
• Audio sampling frequency: 4KHz/8KHz
• Recording length: 480s/240s
• Audio output power: 0.5W
• Auto-shutoff: 1 minute
• Size: 32 mm (D) x 85 mm (W) x 138 mm (H)
• Weight: 290±5g (includes one battery)

Model	FHR Display	Built-in Audio Recorder	Backlit Display	Probe-Auto Detection Display	Battery Status Display	AC Recharge
E-ST Lite	No	No	No	No	No	No
E-ST Basic	Yes	No	No	Yes	No	No
E-ST Basic A	Yes	No	Yes	Yes	Yes	No
E-ST Pro	Yes	Yes	Yes	Yes	Yes	No
E-ST II	Yes	No	Yes	Yes	Yes	Yes
E-ST Pro II	Yes	Yes	Yes	Yes	Yes	Yes
Options	Rechargeable Li-ion battery, charger, earphone, carry bag, 9V alkaline battery, adapter, probe (2MHz, 3HMz, 4HMz, 8HMz)