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407495  V2.1   11/2007 

Specifications 

General Specifications 

Display 

  Multi-function 

LCD 

Transducers 

 

30, 150 and 300 max. psi (sold separately) 

Transducer signal 

Full scale: 100mVDC 

Display units 

Bar, psi, Kg/cm

2

, mmHg, inches Hg, meters H

2

O, inches H

2

O, 

Atmosphere 

Zero adjust 

 

Front panel push-button 

Data Hold 

 

Displayed reading can be held by front panel push-button 

Min/Max Memory  

Lowest/Highest readings can be stored for later recall 

PC Interface kit  

Built-in RS-232 port for use with optional Windows

TM

 data 

acquisition software 

Auto Power-Off 

To conserve battery life, the meter turns OFF automatically 
after approx. 10 minutes (programmable over-ride). 

Sampling time 

 

0.8 seconds approx. 

Power supply 

 

9V Battery 

Low battery indication 

Rectangular battery-life box appears on the left side of LCD. 

Power consumption 

Approx. 7mA 

Operating Temperature 

32 to 122

o

F (0 to 50

o

C) 

Operating Humidity 

Less than 80% RH 

Dimensions 

 

7.1 x 2.8 x 1.3" (180 x 72 x 32mm) 

Weight  

 

Approx. 0.76 lbs. (345g) 

Accessories 

 

Protective rubber holster and 9V battery 

Transducer Range, Resolution, and Accuracy Specifications 

 

psi bar  Kg/cm

2

 

mm Hg 

in Hg 

m H

2

O in 

H

2

O atm 

30 2 

2.040  1500  59.05 

20.4  802  1.974 

Range 

Resolution 

0.02 0.002 0.002 

0.05  0.02 

0.002 

150 10 

10.19  7500  295.2 101.9  4010  9.87 

Range 

Resolution 

0.2 0.01 0.01 

10 

0.2  0.1 

0.01 

300 20 

20.40  15000  590.5 204.0  8020  19.74 

Range 

Resolution 

0.2 0.02 0.02 

20 

0.5  0.2 

10 

0.02 

Accuracy: 

Meter only: ± (0.5% r 1 digit) 
Transducer only: ± 2% full scale 
Combined: ± (2.5% full scale + 1 digit) 

Accuracy note: 

Specified accuracy applies to meter at 23

o

C (±5

o

C) 

Calibration note:  Re-calibration is not required each time a new transducer is attached. 

Summary of Contents for 407495

Page 1: ...User s Manual Heavy Duty Pressure Meter Model 407495 ...

Page 2: ...0 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The 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 o...

Page 3: ... buttons when the LCD display switches on 3 A number will appear on the LCD that represents the Transducer type Select the Transducer type by pressing the SENSOR TYPE key until the desired transducer number appears Select the transducer from the list below in step 5 4 Press the ZERO button to store the new transducer type The meter will memorize the new type even when the meter is turned OFF 5 Sel...

Page 4: ...n Minimum Maximum Reading Memory 1 Press the RECORD RECALL button to start tracking the highest MAX and lowest MIN readings The REC indicator will appear on the LCD 2 Take pressure measurements 3 When pressure measurements are complete press the RECORD RECALL button to recall the Maximum reading recorded the MAX indicator will appear on the LCD 4 Press the RECORD RECALL button again to recall the ...

Page 5: ... Rectangular battery life box appears on the left side of LCD Power consumption Approx 7mA Operating Temperature 32 to 122 o F 0 to 50 o C Operating Humidity Less than 80 RH Dimensions 7 1 x 2 8 x 1 3 180 x 72 x 32mm Weight Approx 0 76 lbs 345g Accessories Protective rubber holster and 9V battery Transducer Range Resolution and Accuracy Specifications psi bar Kg cm 2 mm Hg in Hg m H2O in H2O atm 3...

Page 6: ...C º 0 1 e l a c S l l u F 2 o r e Z Operating Temperature 32ºF to 140ºF 0ºC to 40ºC Operating Humidity Max 80 RH Output Full capacity output 100 mV DC m m 5 8 x r e t e m a i d m m 0 3 e z i S Weight 5 65oz 160g Cable length 39 1m Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the...

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