Technical Data - wtw SenTix FET-D Bedienungsanleitung

Technical data

General features
Dimensions
(in mm)
Weight
Storage
temperature
Materials
Connection cable
Measurement
conditions
Working life
Power supply
Applicable
guidelines and
norms
Test certificates
38
7 Technical data
pH measuring principle
Temperature measuring
principle
Length of the sensor
170 g (with 1.5 m cable)
-5 °C ... 40 °C (for a short time -5 °C ... 50 °C)
Internal electrode
Junction
Sensor
Light shield
Length
Plug type
Measuring range
Temperature (measured
medium)
Temperature (environment)
Depth of immersion
approx. 200 operating hours at 25 °C
(depending on the operating conditions - continuous measurement or
storage in liquids reduces the lifetime of the measuring tip)
Batteries
Operating time
EMC
Instrument safety
CE
pH sensitive field effect transistor (ISFET)
Integrated temperature sensor (NTC)
190 mm (without cable),
200.5 mm with light shield
Silver/silver chloride
porous, sintered polyethylene
Tantalum pentoxide, platinum, ABS, epoxy
resin, polyethylene resin
PE-LD
1 m
BNC plug or DIN plug for pH,
banana plug for temperature
pH 0 ... 14
0 ... 60 °C
0 ... 40 °C
min. 20 mm (min. 30 mm with light shield)
max. 70 mm (min. 80 mm with light shield)
2 x 1.5 V, type CR 2032,
not rechargeable
approx. 500 operating hours (the operating
time of the supplied batteries can be shorter)
EC directive 89/336
EN 61326 : 1997/A3:2003
EC directive 73/23; EN 601010-1:2001
®
SenTix FET-D/B