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Model 407820 Version 3.0 August 2005 

2

Specifications 

General Specifications 

Display 

3-½ digit (2000 count) multi-function LCD 

Units of Measure 

Kilogram-centimeter (kg-cm) 

 

  Pound-inch 

(lb-in) 

 

  Newton-centimeter 

(N-cm) 

Resolution 

Programmable High or Low resolution (see range 
specifications) 

Meter Power 

 

9V battery 

Power consumption 

12mA (approx.) 

Auto Power Off  

Meter turns off after 10 minutes (can be defeated) 

Max/Min Record/Recall  Records highest (MAX) and lowest (MIN) readings 

Data Hold 

Displayed reading can be held on the LCD by 
pushbutton 

Response Time 

Fast (125ms) and Slow (334ms); selectable 

PC Interface 

Built-in RS-232 jack; Optional data acquisition software 

Operating conditions 

Temperature: 32 to 122

o

F (0 to 50

o

C); Humidity < 80% 

RH 

Dimensions 

 

Meter: 7.1 x 2.8 x 1.3" (180 x 72 x 32mm) 

Chuck: 1.9" (48mm) head diameter [6.3" (160mm) 
handle] 0.5” (12.7mm) opening size 

Weight 

 

Meter: 0.5 lbs. (225g); Chuck: 1.46 lbs (665g) 

Accessories 

Torque chuck, chuck key, 9V battery, and rubber 
holster with table-top stand 

Range Specifications 

Unit Range 

High 

resolution 

Low 

resolution 

Accuracy 

kg-cm 

15 Kg-cm 

0.01 kg-cm 

0.1 kg-cm 

lb-inch 

12.99 lb-in 

0.01 lb-in 

0.1 lb-in 

N-cm 

147.1 N-cm 

0.1 N-cm 

1 N-cm 

±(1.5% + 5d) 

of 

FULL SCALE 

WARNING:

 DO NOT exceed the meter’s specified torque limit (refer to Range 

Specification for range limits). Exceeding the torque limit can permanently 
disable the sensor load cell. 

Содержание 407820

Страница 1: ...eter Model 407820 This professional device measures torque in three ranges with 1 5 basic accuracy Advanced functions include Peak and Data Hold Record Mode and RS 232 PC Interface Careful use of this meter will provide years of reliable service 407820 FAST SLOW POWER RECORD RECALL PEAK RESOLUTION HOLD UNIT SENSOR ZERO Torque Meter Kg cm2 ...

Страница 2: ...able PC Interface Built in RS 232 jack Optional data acquisition software Operating conditions Temperature 32 to 122o F 0 to 50 o C Humidity 80 RH Dimensions Meter 7 1 x 2 8 x 1 3 180 x 72 x 32mm Chuck 1 9 48mm head diameter 6 3 160mm handle 0 5 12 7mm opening size Weight Meter 0 5 lbs 225g Chuck 1 46 lbs 665g Accessories Torque chuck chuck key 9V battery and rubber holster with table top stand Ra...

Страница 3: ... jack 3 LCD Display 4 Keypad 5 Rubber Protective Holster 6 Battery compartment on rear rubber protective jacket must be removed from meter to access the rear battery compartment 7 Chuck 407820 FAST SLOW POWER RECORD RECALL PEAK RESOLUTION HOLD UNIT SENSOR ZERO Torque Meter Kg cm2 1 2 3 4 5 6 7 ...

Страница 4: ... RESOLUTION button to select the desired resolution Low or High The selections are listed in the Range Specifications earlier in this manual 2 Use the high resolution setting when the measurement is in the lower area of the measurement range Use the low resolution setting when the measurement is in the higher regions of the measurement range Selecting the response time The meter can be configured ...

Страница 5: ...ng while the user takes measurements The Max and the Min readings can later be recalled 1 Press the RECORD RECALL button to activate this feature The LCD will display the REC icon and the meter will begin monitoring the highest Max and lowest Min readings 2 After measurements are made press the button again to view the Max reading The MAX icon will appear on the LCD along with the highest reading ...

Страница 6: ... sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a...

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