Hach AS950 AWRS, Basic Installation And Maintenance

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Specification Refrigerated Sampler AWRS
Enclosure 22-gauge steel (optional stainless
steel) with vinyl laminate overcoat IP24, low-density polyethylene with UV
inhibitor
Sample bottle capacity Single bottle: 10 L (2.5 gal) glass or polyethylene, or 21 L (5.5 gal) polyethylene
Multiple bottles: two 10 L (2.5 gal) polyethylene and/or glass, four 10 L (2.5 gal)
polyethylene and/or glass, eight 2.3 L (0.6 gal) polyethylene and/or 1.9 L (0.5 gal) glass,
twelve 2 L (0.5 gal) polyethylene (AWRS only), twenty-four 1 L (0.3 gal) polyethylene
and/or 350 mL (12 oz.) glass
Certifications AC power supply: cETLus, CE
AS950 controller
Specification Details
Dimensions (W x H x D) 31.1 x 18.9 x 26.4 cm (12.3 x 7.4 x 10.4 in.)
Weight 4.6 kg (10 lb) maximum
Enclosure PC/ABS blend, NEMA 6, IP68, corrosion and ice resistant
Pollution degree/installation
category 3, II
Protection class II
Display ¼ VGA, color
Power requirements Refrigerated sampler: 15 VDC supplied by a power supply (115 to 220 VAC,
50/60Hz); AWRS: 15 VDC supplied by an integral power supply
Overload protection 7 A, DC line fuse for the pump
Operating temperature 0 to 50 °C (32 to 122 °F); Refrigerated sampler: 0 to 49 °C (32 to 120 °F);
AWRS with controller compartment heater: –40 to 50 °C (–40 to 122 °F); AWRS
with controller compartment heater and AC battery backup: –15 to 40 °C (5 to
104 °F)
Storage temperature Refrigerated sampler: –40 to 60 °C (–40 to 140 °F); AWRS: –30 to 60 °C
(–22 to 140 °F)
Storage/operating humidity 100% condensing
Pump Peristaltic high speed with spring-mounted Nylatron rollers
Pump enclosure Polycarbonate cover
Pump tubing 9.5 mm ID x 15.9 OD mm (
3
/
8
-in. ID x
5
/
8
-in. OD) silicone
Pump tubing life 20,000 sample cycles with: 1 L (0.3 gal) sample volume, 1 rinse, 6-minute
pacing interval, 4.9 m (16 ft) of
3
/
8
-in. intake tube, 4.6 m (15 ft) of vertical lift,
21 °C (70 °F) sample temperature
Vertical sample lift 8.5 m (28 ft) for 8.8 m (29 ft) maximum of
3
/
8
-in. vinyl intake tube at sea level at
20 to 25 °C (68 to 77 °F)
Pump flow rate 4.8 L/min (1.25 gpm) at 1 m (3 ft) vertical lift with
3
/
8
-in. intake tube typical
Sample volume Programmable in 10-mL (0.34 oz) increments from 10 to 10,000 mL (3.38 oz to
2.6 gal)
Sample volume repeatability
(typical) ±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m (16 ft) of
3
/
8
-
in. vinyl intake tube, single bottle, full bottle shut-off at room temperature and
1524 m (5000 ft) elevation
4 English