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Smoke Absorber / Static Control
 HAKKO 441B

 Antistatic Shoes Tester HAKKO 441B
Available in:
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Tester for antistatic shoes

European RoHS compliant

Features

Tester for antistatic shoes
The shoes and body can be simultaneously tested.
Meets the JIS T8103 standard.
The judgment is indicated by a lamp and electronics sound.
The judgment range is selectable from two modes: 1 x 108 Ω or 1 x 109 Ω (with the selector switch).
Packing List

Part No. Packing List
No.441B Main Unit, Test Plate, Mounting Base, Mounting Grips (2 pcs), Wood Screws (2 pcs) and Pan Head Screws (2 pcs)


Specifications

Judgment Resistance Range (Ω) Indicator Buzzer
108Ωmode 109Ωmode
LOW R < 1 x 105 R < 1 x 105 Red lamp OFF
GOOD 1 x 105 >= R >=1 x 108 1 x 105 >= R >=1 x 109 Green lamp ON
HIGH 1 x 108 < R 1 x 109 < R Red lamp OFF

Measurement Voltage 25 VDC
Operating Environment 0 to 40°C, 20 to 90%RH, no dew formation
Power Cord Vinyl cord (2 m)
Dimensions Main unit: 120 (W) x 170 (D) x 45 (H) mm
Test plate: 300 x 300 mm
Cord length: 1.6 m
Weight Main unit: 750 g (including mounting plate)
Test plate: 1.8 kg

HAKKO 441B enables to control shoe wear, dirt and service conditions by classifying the JIS T8103 standard range into the following three levels:
Indication Resistance Range* (Ω) Status
108 Ωmode 109 Ωmode
I 1 x 105 to 1 x 106 1 x 105 to 1 x 106 Sole is worn out.
II 1 x 106 to 1 x 107 1 x 106 to 1 x 107 Good
III 1 x 107 to 1 x 108 1 x 107 to 1 x 109 Sole is dirty.
*Reference value
Option

Setting sample with a stand
Part No. Part Name
C1137 Stand
*The picture shows that HAKKO 441B main unit test plate and stand are assembled.
Operation & Example of Use

How to use HAKKO 441B How to use HAKKO 441B
HAKKO 441B is easy to use. Wear antistatic shoes, stand on the test plate, and press the pad. The main unit can be placed on a table or mounted to a wall surface with the mounting base included in this product.



When the judgment is LOW, possible causes could be:

  • The shoe sole is worn out;
  • A metal fragment is embedded in the shoe sole; or
  • There is dew condensation inside 441 or 441B.
  • Dew condensation occurs inside the tester if the tester is heated up rapidly because of a sudden temperature change such as moving from a cool place to a hot place in winter.
When the judgment is LOW


When the judgment is HIGH, possible causes could be:
  • Wearing heavy socks;
  • There are problems with the shoes or the shoe sole is dirty;
  • Dry hands; or
  • The cord asse'y is short-circuited or broken.
When the judgment is HIGH

If any of the above conditions don't apply to the case, the product is broken.
Please return it to where you bought it for repair.
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