The Hanna pH and TDS continuous indicator HI-981404N features separate displays for continuous readout of both pH and Total Dissolved Solids (TDS). The meter uses a 12volt power source from the mains using a 12volt transformer which is included in the price of the instrument.
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Colombo pH Pond Test Kit£8.99
The Hanna pH and TDS continuous indicator HI-981404N features separate displays for continuous readout of both pH and Total Dissolved Solids (TDS). The meter uses a 12volt power source from the mains using a 12volt transformer which is included in the price of the instrument.
Supplied with both the pH electrode and the TDS probe the meter also has an earthing pin to ensure that readings are correct and not affected by a lack of earth within a plastic or other form of insulated tank environment.
The pH electrode is replaceable and the BNC connector is protected behind a waterproof sheath when connected to the meter. TDS readings are performed using the conversion factor of 0.7 to give direct readout in mg/L (ppm), thus removing the need to convert the readings.
For the full product specification please see the attached instruction manual.
The HI-981404N is supplied complete with:
- HI-1286 pH electrode
- Hi-7634 TDs probe
- HI-1283 grounding bar
- pH and TDS calibration solution sachets (20ml each)
- screwdriver, 12VDC adapter and instructions.
Product Specification Summary
| Range: | 0.0 to 14.0 pH; 0 to 1990 ppm (mg/L) |
| Resolution: | 0.1 pH; 10 ppm (mg/L) |
| Calibration: | Manual, 1 or 2 points (pH); manual, 1 point (TDS) |
| Power supply: | 12 Vdc adapter (included) |
| Dimensions: | 160 x 110 x 35 mm |
| Weight: | 300g |
| Probe: | HI-7634 (TDS probe included) |
| Electrode: | HI-1286 (pH electrode included) and HI-1283 (matching pin included) |
| Water Issue | PH |
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Standard Delivery Monday to Friday, via DPD or APC
You will receive from our courier tracking details once your item has been despatched, please ensure you check your email / mobile number to monitor your parcel in transit.
Delivery costs for standard items in the UK - £5.95
(Surcharges do apply to remote postcodes)
Heavy items - £9.95
Pipe - £14.95
Larger items:
Palletised items - Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet. Standard Pallet charge is approx. £50.00. To ensure there are no delays with delivery, please include a contact number when placing the order.
Overseas – DHL and UPS, cost based on weight / volume at checkout.
Damages
Although we check that items we send are in good condition before despatched and are packed well to prevent damage, it is sometimes inevitable that the occasional item will get broken in transit.
Should this happen, please let us know within 24 hours of receiving your parcel. We will ask you to email us providing some images of the damage so we can address this with the courier.
We will arrange for a replacement to be sent out to you as quickly as possible, free of charge.










