No Confined Entry Recording of Non-Critical CSO/SSO Event Monitoring

The Telog SSO-31 is intended for permanent installation in sanitary sewer manholes or vaults to capture CSO (combined sewer overflow) and/or SSO (sanitary sewer overflow) events. The SSO-31 continuously monitors and records water level using a pressure sensor and captures CSO/SSO events including the duration, level and time stamp of each event. Data may be collected from the recorder with a hand held data transfer unit without entering the confined space.

The recorder is packaged within a submersible enclosure rated NEMA 6P (IP-78) and designed for short term immersion during overflow events It uses a user replaceable AA lithium battery to power the recorder for up to seven years. Mounting brackets are provided with the SSO monitoring system to hang the recorder from the top and attach the sensor to the side wall of the manhole or vault. All exposed metal components of the recorder, sensor and mounting brackets are 316 Stainless Steel.

 

telog sso-31

telog sso-31

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Specifications

Recorder
Model: Telog PR-31
Type: Single channel pressure recorder

Measurement
-- Resolution: 12 bits (0.025%)
-- Accuracy:      
     --- ± 0.075% of full scale at 23º C
     --- ± 75 ppm/º C
-- Temperature Range: -40ºC to +65º C

Recording
-- Sample rate: Programmable from 1/sec up to 8 hours
-- Data interval: Programmable from 1/sec up to 8 hours
-- Values saved: Selectable min, avg & max per interval
-- Memory: 128 Kbytes (~80,000 data values)

Interface    
-- Type: RS-232; 300 to 19.2 Kbaud
-- Connector: Circular 4 pin watertight

Battery    
-- Type: Single AA Lithium (Saft LS 14500 or equal)
-- Life: 7 years typical

Physical     
-- Temperature ranges: -40º C to +65º C
-- Environmental: Submersible to NEMA 6 (IP-67)
-- Enclosure: 316 Stainless steel
-- Pressure vent: 0.2 micron Gore-Tex filter
-- Size: 140 mm (5.5”) long x 45 mm (1.75”) diameter
-- Weight: 1 Kg (2.2 lbs)
          
Sensor
Model: Telog PT-10R
-Type: Strain gauge pressure sensor
-- Range: Selectable 5, 10 and 15 PSI
-- Accuracy     
     --- Non-linearity: ±0.15% of span; BFSL
     --- Repeatability: ±0.03% of span; BFSL
     --- Hysterisis: ±0.03% of span; BFSL

Temperature Range: -20°C to 60°C

Temperature Effect: 0.02%/°C

Pressure Over Range
-- Proof pressure: 
     --- 4 X full scale for 5 PSI range
     --- 2 X for higher ranges
-- Burst pressure:
     --- 10 X full scale for 5 PSI range
     --- 4 X for higher ranges

Physical     
-- Pressure connection: G 1/4 femal
-- Sensor length: 5.4"
-- Sensor diameter (max): 0.69"
-- Sensor body material: 316 Stanless Steel
-- Cable: Vented polyurethane 0.315" diameter
-- Cable length: 25 feet (contact Telog for alternate cable lengths)
-- Cable weight: 41 t/m (0.027 lbs/ft)

Support Software
-- Telogers for Windows
-- Telogers for Windows Lite

Get the Telog SSO-31

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