AEMC instruments 3640 Manual de usuario

AEMC®Instruments • (800) 945-2362 • www aemc.com 99-MAN 100438v3

• Locate grounding points on the tankers and transfer pump.

• Make connections to damaged tanker ﬁrst to avoid a potential spark.

• When possible, grounding systems should be established up hill and outside of the

Hot Zone.

• Resistance measurement should be compliant with your local jurisdiction which

usually follows NFPA 472 @1000or lessor NEC @ 25or less, lower is always

better. Higher resistance means longer static discharge time.

STEP 1:

Hazmat Grounding & Bonding

Site Considerations

Installing the Grounding System

NOTE: One or more rods may be needed for each grounding system to obtain an

acceptable grounding resistance. Multiple rods should be 3to 6feet apart and

connected to each other via jumper cable.

• Install/establish three separate static grounding systems, one for the distressed

tanker (X1), one for the recovery tanker (X2) and one for the pump (X3). When the

pump is not mounted to the ﬁre truck, they should be at least 10 feet apart.

• The grounding sites should be up hill and up wind as well as outside of the

distressed tanker’s hot zone.

WARNING:

Make sure the ground rod is fully screwed tight into the Driver

Extractor tool before driving it into the ground to avoid thread damage.

AEMC®Instruments • (800) 945-2362 • www aemc.com 99-MAN 100438v3

STEP 2:

Conduct independent Fall-of-Potential tests on each of the

grounding systems.

1. Insert the auxiliary test electrode Za few inches into the ground and 50

to 80 feet away at a location that is central to the three grounding system

Xrods.

2. Insert the auxiliary test electrode Ya few inches into the ground at a

distance approximately 30 to 45 ft from the ﬁrst ground system X1 and in

a straight line with the Zelectrode.

3. Connect the Red, Blue and Green test wires to the grounding rod(s),

electrodes and instrument as shown.

4. Press and hold the Test button until reading stabilizes to measure the

resistance.

5. Repeat steps 2, 3 and 4 for grounding systems X2 and X3.

After achieving the acceptable resistance, disconnect the meter and auxiliary rods Y

and Zbefore Step 3, connecting the tankers and pump to their grounding systems.

Testing the Grounding System

Ω

Press To

Measure

X-Z

Xv-Y

ZYX

C1 P2 C2

Fault

Hi Resistance

Hi Noise

GROUND RESISTANCE TESTER

MODEL 3640

AUTORANGING

REFER TO USER MANUAL

FOR FAULT WARNING LIGHT

EXPLANATIONS

INSTRUMENTS

50 to 80 ft

30 to 45 ft

NOTE: Readings should be below 1000Ω, 750Ω, 100Ωor 25Ωas deﬁned by local

authority.

AEMC®Instruments • (800) 945-2362 • www aemc.com 99-MAN 100438v3

STEP 3:

Following the diagram, perform the below steps in the following order:

Connect a grounding cable to the distressed tanker ﬁrst and then to

its grounding system X1.

Connect a grounding cable to the recovery tanker ﬁrst and then to its

ground system X2.

Connect a grounding cable to the transfer pump ﬁrst and then to its

grounding system X3.

Connect a bonding cable to the distressed tanker ﬁrst and then to

the recovery tanker.

Connect the hoses to the pump and tankers.

Begin the transfer process.

NOTE: X3 is not needed if the pump is mounted to a ﬁre truck.

Connect to the Grounding System

1 2

3 4

5 6

7 8

Accessories (Sold Separately):

Static Ground Test System

HAZMAT Kit

Cat. #2155.01

PRODUCT PACKAGING

Ships with:

150 ft Red Wire on Reel

Cat. #5000.04

Waterproof Utility Case with inserts

Cat. #2155.13

Ground Rod Driver /Extractor Tool

Cat. #2155.11

Handles supplied with

Red and Blue Reels

30 ft Lead (green)

Cat. #5000.01

Also Includes:

• User Manual

• 8 AA Batteries -Uninstalled

• Flathead Screwdriver

Lead, Set of 2, color-coated

5 ft (Red and Blue) for Reels

Cat. #5000.34

5 Spaded lugs

Cat. #5000.10

(2 Sets of) 3 Copper Clad Ground Rods with

2 Ground Rod Couplers

Cat. #2155.10 (3 Rods & 2 Couplers)

150 ft Blue Wire on Reel

Cat. #5000.07

150 ft Jumper Cable

Cat. #2155.16

50 ft Bonding Cable

with REB Clamp

Cat. #2155.12

(3) 50 ft Ground Cable with

REB Clamp on one end and Mueller

Clip on the other.

Cat. #2155.14 (1 Reel)

Ground Tester Model 3640

Cat. #2114.92

Extra Handle for Reels

Cat. #5000.64

(2 Sets of) 3 10ft Ground Rod

Jumper Cables

Cat. #2155.15 (1 Set of 3)

Ground Tester

Calibration Checker

Cat. #2130.59

USB Drive containing

Training Video

Set of two, 14.5" T-shaped

Auxiliary Ground Electrodes

Cat. #2135.39

OV_HazmatKit.indd Rev 0618

AEMC®Instruments • (800) 945-2362 • www aemc.com 99-MAN 100438v3

Accessories (Sold Separately):

Static Ground Test System

HAZMAT Kit

Cat. #2155.01

PRODUCT PACKAGING

Ships with:

150 ft Red Wire on Reel

Cat. #5000.04

Waterproof Utility Case with inserts

Cat. #2155.13

Ground Rod Driver /Extractor Tool

Cat. #2155.11

Handles supplied with

Red and Blue Reels

30 ft Lead (green)

Cat. #5000.01

Also Includes:

• User Manual

• 8 AA Batteries -Uninstalled

• Flathead Screwdriver

Lead, Set of 2, color-coated

5 ft (Red and Blue) for Reels

Cat. #5000.34

5 Spaded lugs

Cat. #5000.10

(2 Sets of) 3 Copper Clad Ground Rods with

2 Ground Rod Couplers

Cat. #2155.10 (3 Rods & 2 Couplers)

150 ft Blue Wire on Reel

Cat. #5000.07

150 ft Jumper Cable

Cat. #2155.16

50 ft Bonding Cable

with REB Clamp

Cat. #2155.12

(3) 50 ft Ground Cable with

REB Clamp on one end and Mueller

Clip on the other.

Cat. #2155.14 (1 Reel)

Ground Tester Model 3640

Cat. #2114.92

Extra Handle for Reels

Cat. #5000.64

(2 Sets of) 3 10ft Ground Rod

Jumper Cables

Cat. #2155.15 (1 Set of 3)

Ground Tester

Calibration Checker

Cat. #2130.59

USB Drive containing

Training Video

Set of two, 14.5" T-shaped

Auxiliary Ground Electrodes

Cat. #2135.39

OV_HazmatKit.indd Rev 0618

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