McDONALD
BOTTOM HOLE PRESSURE
SPECIALISTS, INC.

 

Mechanical Pressure and
Temperature Gauges

 Amerada and Kuster

     Mechanical gauges have been the standard of the industry since their introduction in 1929.  Their record has been outstanding.  With these quality gauges you will get accurate well data, at a lower cost.

Mechanical Pressure
Gauge Specifications

 

RPG-3

RPG-4

Accuracy

+ or - 0.2% of full scale

+ or - 0.2% of full scale

Sensitivity

1 part in 2000

1 part in 1800

Max Length

77 1/16"

75 5/16"

Min Length

65 7/8"

NA

Diameter

1 1/4"

1"

Weight

15 lbs.

11 lbs.

Pressure Element Ranges

500 to 25,000 psi

500 to 20,000 psi

Chart Size

2 x 5"

1.8 x 5"

Bourdon Tube

Temp. Compensated

Temp. Compensated

Clock Hours

3, 12, 24, 48, 72, 120, 144, 180, 360

3, 12, 24, 48, 72, 144

Temp. Ranges

Standard to 300 F
Hi-Temp to 500 F

Standard to 300 F
Hi-Temp to 500 F

Mechanical Temperature
Gauge Specifications

 

RT-7 & 7A

RT-8 &  8A

Accuracy (Absolute)

+ or - 2 F

+ or - 2 F

Sensitivity

1 part in 2000

1 part in 1800

Repeatability

+ or - 0.1 %

+ or - 0.1 %

Max. Length

66"

66"

Diameter

1 1/4"

1"

Weight

15.5 lbs

10 lbs.

Temperature Element Ranges

32 F to 700 F

32 F to 700 F


 

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