
WATER QUALITY
INSTRUMENTS
17
TROLL 9500 Specications
Dimensions
Weight
Wetted materials
Water tightness rating
Output options
Internal Power
External Power
47 mm (1.9 in) OD, 52.7 cm (20.75 in) long
With RDO® sensor: 88.4 mm (3.48 in) OD, 57.7 cm (22.7 in) long
1.9 Kg
PVC, 316L stainless steel, Acetal, Viton®, nylon, Tefzel or polyurethane (cable)
IP68 with all sensors and cable attached
SDI-12 (optional with SDI-12 adapter), ASCII streaming mode or binary command;RS485/RS232
2 internal user-replaceable D batteries (alkaline or high-power lithium)
Power 9-12V DC (optional)
Standard Sensors
Accuracy Range Depth Rating Response Time Methodology
Barometric Pressure
± 0.3% FS 7–16.5psia
Meets highest rating
of probe
< 30 sec per 30m (100 ft) cable
Temperature
± 0.1°C -5°C–50°C
Meets highest rating
of probe
< 30 sec EPA 170.1
Level
Depth, Pressure
± 0.05% FS 15 psi 11m / 35 ft
In thermal equilibrium:
Instantaneous
Silicon strain
gauge
30 psi 21m / 69 ft Inthermalchange—
100 psi 70m / 231 ft Instantaneous to ± 2% FS,
300 psi 210m / 692 ft 30–60minto±0.1%FS,
1.5–2hrto±0.05%FS
pH (single or pH/ORP
combo)
± 0.1 pH units
0–12pH
units
246m / 807 ft < 15 sec, pH 7 to pH 4
Std.Mthds. 4500-
H+, EPA 150.2
ORP (single or pH/ORP
combo)
± 4.0 mV ± 1400 mV 246m / 807 ft < 15 sec Std.Mth ds. 2580
Dissolved Oxygen
RDO® (Optical D.O.)
± 0.1 mg/L 0–8mg/L Meets highest rating 30 seconds
ASTM #D888-05
Method C
± 0.2 mg/L 8–20mg/L Meets highest rating 30 seconds
ASTM #D888-05
Method C
Clark electrode
± 0.2 mg/L 0–20mg/L 246m / 807ft 1-milmembrane:1–2min@25°C
Std.Mthds. 4500-
O G, EPA 360.1
± 1%
0–200%
saturation
246m / 807ft 2-milmembrane:90sec–3min
Std.Mthds. 4500-
O G, EPA 360.1
Conductivity
Low
± 0.5% or 2 µS/cm
5–20,000
µS/cm
Meets highest rating Instantaneous
Std.Mthds. 2510,
EPA 120.1
High
± 0.5% + 2 µS/cm
150–112,000
µS/cm***
Meets highest rating Instantaneous
Std.Mthds. 2510,
EPA 120.1
Extended Parameter (XP) Sensors
Turbidity ± 5% or 2 NTU/
FNU
0–2000
NTU/FNU
105m / 346 ft
Instantaneous
(5 sec for rst reading)
ISO 7027
Nitrate (NO3–) ± 10% 0.14–14000
ppm N
14m / 46 ft < 60 sec (T98), 1.4 to 14 ppm N
Std.Mthds. 4500-
NO3 D
Ammonium (NH4+) ± 10%
0.14–14000
ppm N
14m / 46 ft < 60 sec (T98), 1.4 to 14 ppm N
Std.Mthds.
4500-NH3 D, EPA
350.3
Chloride (Cl-) ± 15% 0.35–35500
ppm Cl
70m / 231 ft < 60 sec (T98), 3.54 to 35.45 ppm Cl
Std Mthds
4500-CI-D
Logging
Data Logging 16 programmable tests (dened, scheduled to run or stored) / Logging Modes: Linear, Linear Average, Event
Memory 4 MB (1,000,000 individual readings)
SDI-12 Optional with SDI-12 adapter
* No anode or cathode to scrub or clean.
*** Full operating range 70 µS/cm - 200,000 µS/cm
Multi-Parameter
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