: Indicating and Switch

Service intended

P680 series are differential pressure gauge is designed to measure differential pressure from 25 kPa to 2.0 MPa at static pressure 10 MPa. A set of two stainless steel bellows mounted on a force balance allows direct reading of the actual differential pressure. The contacts uses a reed switch for warning and control applications.

Nominal diameter	150 mm
Accuracy	±1.0 % of full scale ±1.5 % of full scale
Scale range (MPa, kPa, bar, mbar)	0 ~ 25 kPa to 0 ~ 0.25 MPa (P681 model) 0 ~ 0.4 MPa to 0 ~ 2.0 MPa (P682 model)
Static pressure	Max. 10 MPa
Working temperature	Ambient : -20 ~ 65 °C Fluid : Max. 100 °C
Degree of protection	EN60529/IEC529/IP55
Temperature effect	Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately ±0.5 % per 10 ℃ of full scale

Standard features

Pressure connection	Stainless steel (316SS), Monel and Hastelloy-C
Element	Bellows Stainless steel (316SS), Monel and Hastelloy-C
Case and cover	ALDC12.1, black painted Screwed type
Window	Safety glass
Dial	White aluminium with black graduations
Filling liquid for differential cell	Silicone oil
Pointer	Black painted aluminium alloy (Zero adjustable)
Contact	Reed switch, One and two SPST
Conduit connection	¾" PF(F)
Process connection	¼" NPT(F) ½" NPT(F) at 3-way and 5-way manifold valve
Standard accessories	Mounting bracket for 2” pipe mounting with silver gray finished steel
Option	■ Remote seal - Not available with less than 40 kPa of differential pressure range ■ Mounting bracket with 316SS for 2" pipe ■ 3-way and 5-way manifold valve ■ 3-way and 5-way manifold valve (Monel)

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P680 series_Differential pressure gauge with reed switch

P680 series (P681, P682)

Attached files

Indicating and Switch

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Attached files

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