Charder HM250U User manual

HM250U
Ultrasonic Height Meter
USER MANUAL
>
5°
>
5°
>
5°
>
5°
3. Close battery housing cover
Inserting Batteries
1. Open battery housing cover
on back of device
cm ft
2. Insert 2 AAA batteries
Switch between
cm/ft
Preparing for measurement
Correct operation
90°
>
5°
>
5°
>
5°
>
5°
Incorrect operation
Tilt
>5°
Tilt
>5°
>5°
>5°
>5°
>5°
Tilt
>5°
>
5°
>
5°
>
5°
>
5°
Tilt
>5°
✽Please keep the instruction manual at hand all the
time for future reference
Device not
touching top
of subject's
head
Hand
interfering
with sensor
Object
under
sensors
Hoodie
interfering
with sensor
Hand
interfering
with sensor
Make sure
the space
beneath the
sensors are
clear of
objects

Beep!
1. Press
2. When screen displays 0.0 cm , press again to
measure height
>
5°
>
5°
>
5°
>
5°
cm
ft/in
Operating instructions
3. After measurement completion*, press again to
conduct next measurement
4. Press and hold to turn off device. The device will
automatically turn off after 20 seconds if not used
If tilt exceeds 5°, orange tilt warning lights
will appear, and measurement will not
proceed. Please adjust the angle of the
device until tilt warning lights disappear to
conduct measurement.
>5° >5° >5° >5°
Low batteryHeight exceeds
250cm / 8'
Height under
50 cm / 1'8"
Specifications
Dimensions
50-250 cm
1'8"-8'0"
0.1 cm / 0.1 in
+/- 1 cm
50 x 20 mm
349(W) x 64(D) x 23(H) mm
349(L) x 315(D) x 30(H) mm
190 g(without batteries)
On/Off/Measure
Wireless (optional)
2 AAA batteries
5°C~35°C
15% / 85% RH
Ultrasonic
G-sensor
>5°
20 seconds
Model HM250U
Operation Temperature &
Humidity
CD-IN-00387 REV 001 03/2021
CAUTION
to turn on
device
✽NOTE: on wireless model, results will be transferred
automatically to receiving device
Height
Measurement Graduation
Accuracy
LCD screen
Folded
Unfolded
Device Weight
Key Functions
Data Transmission
Power Supply
Sensor
Level Detection
Tilt Warning
Auto-off
Capacity
Error Messages
General Information
Thank you for choosing this Charder Medical device. It is designed
to be easy and straightforward to operate, but if you encounter
any problems not addressed in this manual, please contact your
local Charder service partner.
General Handling
Measurement accuracy requires the subject's feet, back, and head
to be straightly aligned.
Safety Instructions
• Batteries should be kept away from children. If swallowed,
promptly seek medical assistance.
• Expected service life: 5 years.
• Observe permissible ambient temperatures for use
Environmental & Cleaning
•All batteries contain toxic compounds; batteries should be
disposed of via designated competent organizations. Batteries
should not be incinerated.
• Device surface should be cleaned using alcohol-based wipes.
Warranty/Liability
•The period of warranty shall be eighteen ( 18 ) months,
beginning on the date of purchase. Please retain your receipt as
proof of purchase.
• No responsibility shall be accepted for damage caused through
any of the following reasons: unsuitable or improper storage,
use, modifications, natural wear and tear, or dropping onto the
floor.
• This device does not contain any user-maintained parts. All
maintenance, technical inspections, and repairs should be
conducted by an authorized Charder service partner, using
original Charder accessories and spare parts.
Disposal
• This product is not to be treated as regular household waste,
but should be taken to a designated collection points for
electronics. Further information should be provided by local
waste disposal authorities.
Manufactured by:
Charder Electronic Co., Ltd.
No. 103, Guozhong Rd., Dali Dist.,
Taichung City, 41262 Taiwan (R.O.C.)