Hach Polymetron, User Manual, Page: 3 / 144

Table of contents
Specifications on page 3 Maintenance on page 15
General information on page 4 Troubleshooting on page 16
Installation on page 5 Replacement parts and accessories
on page 19
Operation on page 10
Specifications
Specifications are subject to change without notice.
Table 1 Module specifications
Specification Details
Measuring range Cell constant 0.01: 0.01–200 µS/cm
Cell constant 0.1: 0.1 µS–2 mS/cm
Cell constant 1: 1 µS–20 mS/cm
Response time 0.5 seconds
Repeatability/precision (0–20 µS/cm) ±0.1/0.1 µS/cm
Precision (20–200,000 µS/cm) ±0.5% of reading
Maximum cable length 91 m (299 ft)
Table 2 Sensor specifications
Specification Details
Temperature element PT100
Sensor cable 4 conductor (plus 2 shields); 5 m (16 ft), 10 m
(33 ft) or 20 m (66 ft); rated at 150 °C (302 °F)
Table 2 Sensor specifications (continued)
Specification Details
Wetted materials—8310 Black PSU body, stainless steel 316L internal
electrode, stainless steel 316L external
electrode, PSU insulator and glass
polyester/IP65 connector
Wetted materials—8311 Black PSU body, stainless steel 316L internal
electrode, stainless steel 316L external
electrode, PSU insulator and glass
polyester/IP65 connector
Wetted materials—8312 Black PSU body, graphite internal electrode,
graphite external electrode, PSU insulator and
glass polyester/IP65 connector
Wetted materials—8315 Stainless steel 316L body, stainless steel 316L
internal electrode, stainless steel 316L external
electrode, PES insulator, Viton
®
o-ring and
glass polyester/IP65 connector
Wetted materials—8316 Stainless steel 316L body, stainless steel 316L
internal electrode, stainless steel 316L external
electrode, PES insulator, Viton o-ring and glass
polyester/IP65 connector
Wetted materials—8317 Stainless steel 316L body, graphite internal
electrode, graphite external electrode, PES
insulator, Viton o-ring and glass
polyester/IP65 connector
Wetted materials—8394 Stainless steel body, 316L electrode, PEEK
®
,
EPDM gasket and glass
polyester/IP65 connector
Temperature/pressure limit—
8315, 8316, 8317 or 8394
1
150 °C (302 °F) at 25 bar (362.5 psi)
Temperature/pressure limit—
8310, 8311 or 8312 125 °C (257 °F) at 10 bar (145 psi)
1
Other brands of mounting hardware and sanitary clamps may reduce the listed rating.
English 3