Spirax Sarco PA20 Preamplifier

Description

Spirax Sarco's PA20 preamplifier for Spirax Sarco capacitive inductors amplifies the measured capacitance and converts it to a voltage output proportional to the level and is compatible with all Spirax Sarco voltage-input type controllers/transmitters. It consists of an austenitic stainless steel body screwed onto the inductor and a DIN43650 plug with a Pg11 lead gland. It has three sensitivity settings to suit different inductor lengths and is compact, robust, does not interfere with the inductor when removing or replacing it and requires no maintenance.

restrictive condition

sports event	particulars
Maximum ambient temperature	70°C
Maximum cable length	100m

Technical data

sports event	particulars
input voltage	15 - 36Vdc
Maximum required current	10mA
output voltage	1 - 6Vdc
output resistance	100Ω

weights

Approx. 0.25kg

material (that sth is made of)

Item	Part	material (that sth is made of)
1	bore	Austenitic stainless steel ASTM A582 303
2	plug	polyamides
3	Plug Gasket	silicone rubber
4	'O' ring	NBR

mounting

Screw the PA20 onto the capacitive sensor and hand tighten, the 'O' ring ensures a watertight seal, each product is supplied with a detailed installation and maintenance guide, note that unguarded units should not be fitted outdoors.

protect and maintain

No special maintenance is required, but the boiler level control needs to be checked regularly.

Product Description

PA20 preamplifier for Spirax Sarco capacitive sensors with stainless steel body threaded connection, with DIN 43650 connector and Pg11 lead gland.

Ordering Instructions

Example: 1 - Spirax Sarco PA20 preamplifier.