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Economical Conductivity/TDS Meter with RS232 Output
CDH221
U Economical
U Easy to Operate
U Splashproof Front
U RS232 Output Standard
The CDH221 is ideal for quality control, agricultural,
water conditioning, beverage, fish hatcheries,
laboratory, universities, and many other industrial
applications. This microprocessor-based digital meter
are rugged, portable units that can recognize and
compensate for electrode offset and slope. Overload
indication and data hold is standard on the CDH221.
CDH221 with conductivity
probe included shown
smaller than actual size.
SPECIFICATIONS
Models CDH221
Display 51 x 32 mm (2.00 x 1.25") LCD,
Measurement Conductivity
Ranges/Resolution/Accuracy
Conductivity 2 mS: 0.2 to 2.0 mS/0.001 mS/±(3% FS +1d)
20 mS: 2 to 20.0 mS/0.01 mS/±(3% FS +1d)
TDS
Temperature °C (°F) —
Temperature Compensation °C (°F) 0 to 50 (32 to 122)
Data Output —
Data Hold Yes
Sampling Time Approximately 0.4 s
Operating Temperature °C (°F) 0 to 50 (32 to 122)
Operating Humidity Less than 80%
Memory Recall Maximum/Minimum
Power Supply 9 V battery (included)
Dimensions (H x W x D) 200 x 68 x 30 mm (7.9 x 2.7 x 1.2")
Weight of Meter and Probe 270 g (0.6 lb)
Probe Specifications
Probe Connections 4-pin connector
Temperature °C (°F) 0 to 60 (32 to 140) (CDE221/CDE222)
Dimensions 22 Dia. x 120 mm L with 1.06 m (3.5') cable (CDE220/CDE221)
21.5 mm (0.8") digits
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Model No. Description
CDH221 Conductivity meter with probe
Accessories
Model No. Description
CDE221 Replacement conductivity probe for CDH221
MN1604 Replacement 9V battery
CDSA-1500 1500 μS conductivity standard
CDSA-4500 4500 μS conductivity standard
CDSA-1413 1413 μS conductivity standard
Units come with 9V battery and complete operator’s manual.
Ordering Examples: CDH221, conductivity meter.
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