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HP120 & HP320 feature a backlit
   
Unique handheld design
Energy-saving auto shut off
Large, high-contrast display
2-AAA batteries included
Low battery indicator
1 Year manufactures warranty
Rugged plastic construction
 
HP-320 mini pocket scale

The Ohaus HP-320 Hand-Held Scale is a high capacity mini scale capable of weighing items up to a whopping 320 grams with accuracy to ±2 grams .  The HP-320 offer 4 different weighing modes: grams, ounces, pennyweight, and troy ounces.

The HP-Series display has an electronic luminescence back light source allowing the display to be read easier in poor lighting environments.  Activate this feature by pressing the Light Bulb key.  The back light will automatically turn off after 10 seconds.

In addition, the HP-Series can be calibrated to ensure precision accuracy for all your weighing needs.  We highly recommend you always purchase the optional calibration mass whenever you purchase one of the Ohaus HP-Series Handheld Scales.  Ohaus also recommends in their user manual for best results to calibrate the HP-120 / HP-320 at regular intervals.  Calibration is especially important if the scale is in use for prolonged periods.  Calibration could be easier and we have outlined the instructions below for you to review, but you must purchase this optional calibration mass to take advantage of this nice feature .

The calibration instructions listed below are for the HP320.  The exact same steps are followed for the HP-120 except a 100 gram calibration mass is required instead of the 200 gram mass used for calibrating the HP-320 .

  • Step 1 : Allow the scale to warm up and stabilize for two minutes before commencing the calibration procedure.
  • Step 2 : Press and hold the "Cal/Units" key until the calibration weight "200.0" flashes on the display.
  • Step 3 : With the display flashing '200.0", press the "Off" key, and the display will read "AL 0."  After pausing for at least two seconds, place a 200 gram calibration mass gently on the center of the weighing platform.
  • Step 4 : The display will momentarily show 'AL F" and then return to active weighing.  The calibration is complete and successful when the display shows 200.0, and the stabilized indicator is displayed.
  • Step 5 : Remove the calibration weight and turn the scale off.  Now turn on the calibrated scale and your ready to perform so precision weighing.
Model Number
HP-320
PWB DISCOUNT PRICE Scale only
All pocket scales can only be purchased when you pay with PayPal or you sending a money order in advance
SOLD OUT - We won't be getting anymore
PWB DISCOUNT PRICE
Scale with 200g Brass Calibration Mass
We use Paypal since the margins are too low verses the time required to take a phone order.  Read more here.
SOLD OUT - We won't be getting anymore
CAPACITY x READABILITY (grams)
0-320 x 0.1g
LINEARITY (grams)
0-320 ± 0.2g
WEIGHING MODES
g, oz, dwt, oz t
ZERO RANGE
STABILIZATION TIME
3 Seconds
CALIBRATION
MAXIMUM OVERLOAD
150% of capacity
OVERLOAD INDICATION
[E]
UNDERLOAD INDICATION
Negative value
AUTO SHUT-OFF
2 minutes no activity
OPTIMUM TEMPERATURE RANGE
64 °- 77 ° F / 18 °- 25 ° C
DISPLAY
LCD 0.40" high
LUMINESCENT DISPLAY
YES
PROTECTIVE SNAP ON COVER
INCLUDED
POWER REQUIREMENTS
2 - AAA alkaline batteries (included)
LOW BATTERY INDICATOR
YES
PLATFORM MATERIAL
PLASTIC
PLATFORM DIMENSIONS
(L x W),inches
Elliptical in shape having a length of 3.25" and a width of 3.0"
SCALE DIMENSIONS
(L x W x H),inches
5.35" x3.25" x 0.80"
NET WEIGHT
(approx.) (lb/kg)
.34/0.16
SHIPPING WEIGHT (approx.) (lb/kg)
1/0.4
OPTIONAL ACCESSORIES
200 gram calibration mass
DON'T NEED THE CAPACITY AND WANT TO SPEND LESS MONEY?
THEN REVIEW EITHER THE HS-120 OR HP-120

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