Flush Membrane Pressure Transducer Manufacturer

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Features

SS125 series flush membrane pressure transducer was developed from SS115 series. It is using the latest piezoresistive technology. SS125 series features a cavity-free, hygienic flush diaphragm connection. At the same time, it is constructed with 316L stainless steel. The transducer features a smaller inlet port and internal diaphragm cavity than conventional models. The face diaphragm is flat, which helps prevent media blocking and clogging. This design makes it especially suitable for high-viscosity materials. It also works well with contaminated substances commonly found in the food and chemical industries.

SS125 series uses a high-performance silicon chip inside the housing. The transducer housing contains the piezoresistive silicon chip and a small quantity of oil. The oil transmits diaphragm pressure to the silicon chip. It is available with absolute pressure, relative pressure, and vacuum measurement, as well as pressure measuring ranges of -1 … 0 bar to 0 … 600 bar.

Pressure ranges (Typical)

Vented gauge(set the atmospheric pressure as reference) (Unit: bar)

Range	-1.0 to 0	-0.35 to 0	0 to 0.35	0 to 1.0	0 to 2.5	0 to 4.0
Range	0 to 6.0	0 to 10	0 to 16	0 to 25

Absolute(set absolute vacuum as reference) (Unit: bar)

Range	0 to 1.0	0 to 2.5	0 to 4.0	0 to 6.0	0 to 10	0 to 16
	0 to 25	0 to 40	0 to 60	0 to 100	0 to 160	0 to 250
	0 to 400	0 to 600

Sealed gauge(set standard atmospheric pressure as reference) (Unit: bar)

Range	0 to 10	0 to 16	0 to 25	0 to 40	0 to 60	0 to 100
Range	0 to 160	0 to 250	0 to 400	0 to 600

Parameters

Specifications

Power supply	1.5 mA DC (typical)	5 Volt DC, 10 Volt DC is on request
Zero output	0 ± 2 mV
Span output	100 ± 20 mV (typical)
Accuracy	0.25% F.S. (typical)
Overload	2.0 × F.S. (< 250 bar)
Overload	1.5 × F.S. (≥ 250 bar)
Temperature compensation	0 to 70 °C
Operating temperature	-20 to 100 °C
Storage temperature	-40 to 125 °C
Zero thermal error	≤ 0.02% F.S./°C
Sensitivity thermal error	≤ 0.02% F.S./°C
Bridge resistance	2.3 to 4 KΩ
Insulation	100MΩ/250VDC
Vibration	20g/(20 to 5000Hz)
Endurance	> 100 × 106 F.S. cycles
Stability	≤ 0.2% F.S./Year

Constructions

Wetted parts	Stainless steel 316L	Diaphragm: Tantalum, Hastelloy-C is on on request
Housing	Stainless steel 316L
Filling liquid	Silicone oil
Electrical connection	10 cm silicone sheathed wires	Kovar pins is on request
Pressure connection	G1/2″	Other connection is on request

Drawings

Dimensions

pressure connection	SW	H
G 1/2 inch	27 mm	31.5 mm
G 3/4 inch	32 mm	36.5 mm
G 1 inch	41 mm	45 mm
1/2 inch NPT	27 mm	35 mm
3/4 inch NPT	32 mm	36.5 mm
M20 x 1.5	27 mm	31.5 mm