740 3M, 740 Datasheet - Page 93

• Manufacturer Part Number: 740
• Description: TESTER ESD WRIST STRAP
• Manufacturer: 3M
• Type: Testerr

Specifications of 740

• Features: Wall Mount
• Power Supply Type: AC Adapter
• Size: 137.92 mm x 189.99 mm x 53.09 mm
• Meter Display Type: LED
• Accuracy %: 20%
• External Height: 5.43"
• External Width: 7.48"
• External Depth: 2.09"
• Weight: 450g
• Accuracy: +/-10% For 10, 35 & 50Mohms
• Rohs Compliant: NA
• For Use With/related Products: Wrist Straps, Footwear
• Lead Free Status / RoHS Status: Vendor undefined / Vendor undefined
• Other names: 98079825257; SCP204

88
Packaging
3M
3M Connector Covers are made of an intrinsically conductive composite
material with uniformly distributed fibers. This makes the covers free of
carbon black particulate and better suited to clean situations. The covers
do not leave black marks and are permanently conductive.
3M
4270 Series
4270 Series were designed to meet the requirements and intentions
of MS90376,and MIL PRF 5501/31A or 32A. Military contractors
have qualified these materials to their own specifications and are
encouraging their use.
3M
For more product information, please visit www.3M.com/static
Material Properties
Property
Resistivity
Contact Corrosivity
Crayoning
Elongation
Tensile
Vicat Softening
Outgassing
Chemical
Dilute Acids
Dilute Alkalines
Concentrated Acids
Concentrated Alkalines
Methanol, Ethanol, and Isopropanol
Hydrocarbons
Ketones
Oil and Gasoline
(Kovar plate)
™
Circular Connector Covers 4270 Series
™
™
Circular Connector Covers
Connector Covers
Test Method
ASTM D991
FTMS 101C
Method 3005
3M
ASTM D638
ASTM D638
ASTM MD 1525
ASTM E595
Product No.
4270
Description
Feature a unique conductive composite
material. Noncorrosive and produce no visible
corrosion. Connector Covers 4270 Series were
designed to meet the requirements and intentions
of MS90376 and MIL PRF 5501/31A or 32A.
Typical Value
<10
Pass
Not visible
25%
1500 PSI (1.0 x 10
205°F (96OC)
Pass
Reactions
Slight Attack
Slight Attack
Severe Attack
Severe Attack
Resistant
Slight Attack
Dissolves
Severe Attack
5
ohm-cm
7
N/m
2
)