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Orange Research 1200 SERIES Piston Sensor for Liquids

Piston Sensor for Liquids
1200 SERIES

Our piston sensor models are for liquid applications where durability and long life are required. Their simple design has fewer parts to wear out and also keeps the price low.

A magnet attached to the dial pointer shaft follows a spring-loaded sensor magnet that moves as differential pressure changes. In this way the DP displacement of the sensor is translated to our easy-to-read 2.5 to 6-inch diameter dials.

Select from a variety of options such as follower pointers, red arcs and mounting brackets along with switch, relay or transmitter outputs.

• Heavy duty — to 10,000 psi line pressure
• Weatherproof design and rugged construction
• Gauge, switch and transmitter versions
• Popular in filtration and flow measurements

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5Table 6
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Table 1Model
1201PG1201PG
1201PGS1201PGS
1201PS1201PS
1203PG1203PG
1203PS1203PS
1203PGS1203PGS
Table 2Pressure Body
1AIn-line ports aluminum
1CIn-line ports 316 stainless steel
1EIn-line ports brass
Table 3Dial Case
2.5B2.5” basic
3.5B3.5” basic
4.5B4.5” basic
6B6.0” basic
Table 4Electrical
ASPST, N.O
BSPST, N.C.
CSPDT
A-A2 ea. - A
B-B2 ea. - B
C-C2 ea. - C
R2relay
T2transmitter
Table 5Options
1¹/₂” NPT
2plastic lens
3liquid filled (glycerine)
4follower pointer
5Teflon coated magnet/spring
6red arc (specify range)
7dual scale (specify both)
8high temperature
Table 6Special Seals (Buna-N standard)
EEPDM
FFluorosilicone
VViton
TTeflon
Cat #Differential pressure rangeMaximum line pressure/ temperatureAccuracy (F.S.) (Ascending)Porting (Many portling types available)Electrical Available**
1201PG/PGS/PS0-5 to 0-150 psid (0-0.33 to 0-10 bar)3000 psig (200 bar) 200ºF (93ºC)2%¼” NPT1 switch no enclosure
1203PG/PGS/PS/PGT/PT0-5 to 0-150 psid (0-0.33 to 0-10 bar)5000 psig (340 bar) 200ºF (93ºC)2%¼” NPT1 or 2 switches 1 relay transmitter Class 1 Div. 2/NEMA 4X For Class 1 Div. 1, see pg. 26
Differential Pressure Range 0-5 to 0-150 psid (0-0.33 to 0-10 bar)
Maximum Line Pressure/Temperature 3000 psig (200 bar) 200ºF (93ºC)
Accuracy (F.S.) (Ascending) 2%
Porting (Many porting types available) 1/4" NPT
Electrical Available 1 switch no enclosure


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