6700SR Refrigerated Sampler
9
6700 C
ONTROLLER
: E
LECTRICAL
S
PECIFICATIONS
(C
ONTINUED
)
Sampler Standby Current:
Sampler Only:
11 mA average
Sampler with pH Module:
26 mA average
Sampler with Ultrasonic Module:
35 mA average
Sampler with Submerged Probe Module:
27 mA average
Sampler with Bubbler Module:
49 mA average
Sampler with Area Velocity Module:
171 mA average
Sampler with 4-20 mA Module:
17 mA average
(This is without backlight. Add 220 ±20 mA when backlight is on.)
Sampler Only
Operating Current:
Approximately 30 mA based on 200 ml sample every hour, 10 ft (3 m) suction line,
and 5 ft (1.5 m) suction head.
Flow Meter
Signal Requirement:
5 to 15 volt DC pulse or isolated contact closure of at least 25 millisecond duration.
(4 - 20 mA or pulse duration signal may be converted with optional interface unit.)
6700 C
ONTROLLER
: S
OFTWARE
S
PECIFICATIONS
Suction Line:
Programmable 3 to 99 ft (1 to 30 m) lengths of:
•
3
/
8
" (0.95 cm) I.D. Vinyl
•
3
/
8
" (0.95 cm) I.D. Teflon
®
-lined with polyethylene jacket
Sample Frequency:
• From 1 minute to 99 hours and 59 minutes in 1 minute increments between
consecutive samples.
• Nonuniform times in minute intervals or clock time
• Random time intervals between consecutive samples
• From 1 to 9,999 flow pulses in single-pulse intervals
• Flow paced in volume with attachable flow module
Rainfall Reading Units:
Inches or millimeters
Module Readings
:
pH
8 bits representing pH 0.1 pH storage resolution
16 bits representing temp. 0.1° C storage resolution
Ultrasonic
16 bits representing level 0.0001 m storage resolution
Submerged Probe
16 bits representing level 0.0001 m storage resolution
Bubbler
16 bits representing level 0.0001 m storage resolution
Area Velocity
16 bits representing level 0.0001 m storage resolution
16 bits representing velocity 0.001 ft/s storage resolution
4–20 mA
16 bits representing percent 0.1% storage resolution
32 bits representing flow
YSI 600 Sonde Readings:
• pH 8 bits 0.1 pH storage resolution
• Temp. 16 bits 0.1° C storage resolution
• D.O. 8 bits 0.1 mg/l storage resolution
• Conductivity 16 bits representing:
Specific Conductance 0.002 mS/cm storage resolution
T.D.S. 0.002 g/l storage resolution
Salinity 0.1 ppt storage resolution
Conductivity 0.002 mS/cm storage resolution
Table 3 Technical Specifications for the 6700SR Sampler
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