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“Your Safer Source for Science” Balances Balances
Electronic Balance Selection Chart
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Price/Each Price/Each 5 Units or More
Catalog No.
OB2179 OB2164 OB2180 OB2174 OB2186† OB2163 OB2138 OB1054† OB2139 OB2187† AP9112† OB2172 OB2140 OB2189† OB2173 OB2175 OB2141 OB2188† AP8708† OB2142 OB2083† OB2182* OB2184* OB2147* OB2185* OB2143 OB2148* OB2149* OB2160 OB2161 OB2150* OB2151* OB2144 OB2170 OB2171
Balance Model
Flinn OB2179 Flinn OB2164 Flinn OB2180 Ohaus SKX8200 Ohaus NV211 Flinn OB2163 Flinn OB2138 Ohaus SKX421 Flinn OB2139 Ohaus NV511 Ohaus SKX621 Ohaus SKX621 Flinn OB2140 Ohaus NV2101 Ohaus SKX2201 Ohaus SKX6201 Flinn OB2141 Ohaus NV212 Ohaus SKX222 Flinn OB2142 Ohaus SKX422 Ohaus AX422/E Ohaus AX622 Ohaus PX1602/E Ohaus AX2202/E Flinn OB2143 Ohaus PX163/E Ohaus PX323/E Flinn OB2160 Flinn OB2161 Ohaus PX84/E Ohaus PX224/E Sartorius Practum Ohaus AX124 Ohaus AX224
Capacity (g)
1000
2500
3000
8200
210
250
300
420
510
510
620
620
1000
2100
2200
6200
210
210
220
410
420
420
620
1600
2200
120
160
320
100
220
82
220
120
120
220
Readability (g)
1.0
1.0
1.0
1.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.001 0.001 0.001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
Precision (g)
1.0
1.0
1.0
1.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1 0.01 0.01 0.01 0.02 0.01 0.01 0.01 0.01 0.01 0.002 0.001 0.001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
$
122.55 $116.37 126.95 120.55 129.35 122.83 365.00 354.05 211.00 204.67 124.55 118.27 183.00 173.85 258.30 250.55 213.00 202.35 254.00 246.38 378.15 366.84 349.00 338.55 290.00 275.47 407.00 394.79 453.15 439.55 719.95 698.35 308.00 292.54 371.00 359.87 464.15 450.27 427.00 408.50 648.65 629.19 994.00 964.18
1318.00 1278.46 954.45 —
1778.00 1724.66 447.00 424.65
1061.55 — 1239.00 — 1350.00 — 1595.00 — 1729.00 — 2360.40 — 2316.65 — 2950.45 — 3175.45 —
*RS-232 and USB device ports included.
† RS-232 or USB Computer Interface is available as a special-order option.
Balance Care and Use
Balances are an essential component of any laboratory. Flinn Scientific carries balances that vary in precision from 1 g to 0.0001 g. Listed here are tips to properly use, store and maintain balances.
• Balances should always be placed on a level and sturdy surface.
• Recalibrate balances every time they are physically moved from one loca- tion to another. If balances always remain in the same location, calibrate them at least once a month.
• Allow 15 minutes to an hour of warm-up time before using balances.
• Ensure that balances are free from drafts, excessive shaking and electro- magnetic interference.
• It is important to zero or tare balances each time an object is removed as long as the value is not required for subsequent measurements. This will help ensure the zero point of the balance in conjunction with regular calibrations.
• Static can interfere with accurate weighing. Make sure the balance surface, objects and work area are free from static.
• To maximize balance life keep the housing and platform clean. A damp cloth and mild detergent may be used to remove debris from under the platform.
• Store the balance in a cool and dry location.
• Unplug AC adapters and/or remove batteries when balances will not be used for extended periods of time.