Specifications
| Measurement parameters | pN value, ammonia nitrogen concentration, mV, temperature value |
| Measurement range -pN | （0.00~8.00）pN |
| Measurement range - ammonia concentration | （-1800~1800）mV |
| Measurement range mV | 0.05~1000mg/L |
| Measurement range - temperature | （0.0~40.0）℃ |
| Intrinsic error -pN value | +/- 0.01pN +/- 1 word |
| Intrinsic error - ammonia nitrogen concentration | ±1% |
| Intrinsic error -mV | ±0.1%FS |
| Intrinsic error - temperature | +/- 0.3 ℃ +/- 1 word |
| Stability | （±0.01pN）/3h |
| Power Supply | Control Unit: 9VDC, 500mA, internal positive and external negative; measurement unit: AC (220 +/- 22) V/(50 +/- 1) Hz |
| Chassis exterior number | Control Unit: WXS-A001-1; measurement unit: WXS-A009-2 |
| Dimensions | Control Unit: 300 * 220 * 80mm; measurement unit: 370 * 380 * 510mm |
| Weight | Control Unit: 1kg; measurement unit: 13kg |
Packing list
Analyzer x1, regulated power supply x1, Q9 short-circuit plug (installed on the instrument) x1, manual (analyzer, measurement unit) x1, certificate x1, DWS-296-1 type measurement unit x1, general power cord x1, communication line x1, print line x1, communication disc x1, fuse x1, PNH3-3 type ammonia electrode x1, pump pipe (160mm) x1, pump pipe (225mm) x1, φ 2PE hose x1, φ 4PE hose x1, "T" 1/8 "ID plastic tee x1, cleaning agent x1, masking agent x1
After-sales instructions
Warranty days: 365 days
1. The warranty period is 1 year (the electrode is a consumable and is not covered by the warranty);
2. After-sales service is provided by the original factory;
3. Free maintenance during the warranty period (except for improper use), and long-term technical support outside the warranty period.
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/17058/Specification.html , which is only used by users who purchase commodities from the NBCHAO.