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Table 1-1 Technical Specifications for the 3700 Portable Samplers (Continued)
Sampler Controller Power
Requirement
Power Pack Requirement
(Use only Teledyne Isco-made
power packs certified by UL. (Part
Number 60-1684-088).
External Teledyne Isco Nickel-Cad-
mium
Battery Capacity
External Teledyne Isco Lead Acid
Battery
Capacity
Controller Internal 3V Lithium Bat-
tery: Teledyne Isco #340-5000-00.
Replace with same type.
Suction Tubing (intake)
Suction Lift
Pumping Rate (at 3 feet of head)
Line Transport Velocity
(at 3 feet of head)
Real Time Clock Accuracy
Sample Volume Accuracy
Sample Volume Repeatability
Sample Frequency
Flow Meter Signal Requirements
Power Specifications
12 VDC supplied by battery or AC power converter. Sampler standby current 10
mA, maximum.
120 VAC ±12 VAC, 60 Hz., 1.0 Amp.
Note: This is the only version certified by UL. The line cord (mains connect
cable) is the "Disconnect Device."
7 standard sampling programs (24 samples at a rate of one 200 ml sample per
3
/
hour, using 10 ft of
-inch vinyl suction line at a 5 ft head)
8
11 standard sampling programs (24 samples at a rate of one 200 ml sample per
3
/
hour, using 10 ft of
-inch vinyl suction line at a 5 ft head)
8
5 years, minimum (maintains internal logic and program settings).
Pump and Tubing Specifications
3 to 99 foot lengths of:
1
/
-inch ID vinyl
4
3
/
-inch ID vinyl
8
3
/
-inch ID PTFE lined
8
26 feet (7.9 m), maximum
1
/
-inch ID suction tubing: 3000 ml / minute
4
3
/
-inch ID suction tubing: 3500 ml / minute
8
1
/
-inch ID suction tubing: 5.1 ft / sec
4
3
/
-inch ID suction tubing: 2.5 ft / sec
8
Clock Specifications
1 minute/month, typical.
Sample Specifications
With the liquid detector enabled and automatic compensation for head: typically,
the greater of ± 10% or ± 20 ml, over a head range of 1 to 12 feet and sampler
supply voltage of 10 to 13 volts.
± 10 ml, typical.
Selectable from one minute to 99 hours, 59 minutes in 1 minute increments
between consecutive samples, or from 1 to 9999 flow pulses in single pulse inter-
vals. Enter nonuniform times in minute intervals or clock time.
Flow Meter Signal Specifications
5 to 15 volt DC pulse or isolated contact closure of at least 25 milliseconds in
duration. (4-20 mA or pulse duration signal may be converted with optional inter-
face unit).
3700 Portable Samplers
Section 1 Introduction
1-11
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