
LongLiner (Series 4002) Version 2 Motorized Water Level Meter
12V DC motor, forward/reverse | Tape: H.T. S/S + Polyethylene, 450–1200m | Probe: 16mm (5/8"), IP68, PFAS-free | Panel: IP65, 9V battery, LED + 80dB buzzer | Reel weight: 35kg (77 lbs)
Water level meters for wells, boreholes and piezometers: Solinst 101, 102 narrow-probe, 104 sonic and 122 interface meters, Heron dipper and LongLiner meters, temperature and conductivity meters, tag lines, plus Levelogger and Heron dataloggers. Rent or buy.

12V DC motor, forward/reverse | Tape: H.T. S/S + Polyethylene, 450–1200m | Probe: 16mm (5/8"), IP68, PFAS-free | Panel: IP65, 9V battery, LED + 80dB buzzer | Reel weight: 35kg (77 lbs)

±0.05°C accuracy | -45°C to +135°C range | 0.01°C resolution | Probe IP68 / Panel IP65 | PFAS-free stainless steel Kynar tape

Includes: padded storage/carrying case

Polyethylene + Kevlar tape, 9.5mm wide | 316 SS plopper, 680g, 25mm dia | Accuracy 3mm/30m | Lengths 30–300m metric | 2-year warranty

• Probe pressure rated up to 100 m/300 ft for 20 minutes | • 1/4'' (6.5 mm) polyethylene tape (D) | • 1/4'' (6.5 mm) water level probe | Includes: padded storage/carrying case

• 5/8" water level probe (IP68) with holder | Includes: padded storage/carrying case

Sensor accuracy ±1 mm (±0.04") | Probe IP68 / Panel IP65 | Operating temp -45 to +55°C | Kynar-jacketed high-tensile SS tape | Depths 30–300 m (100–1000 ft)

Includes: padded storage/carrying case

±0.05% FS accuracy | Ranges 10m/30ft, 30m/100ft, 60m/200ft, 120m/400ft | 7.5–35 VDC two-wire 4-20mA loop | -20°C to 80°C | 316 SS piezoresistive sensor, vented direct-read cable

32,000 data-set memory | ±0.05% FS typical accuracy | Ranges 10–120 m (30–400 ft) | ~7-yr battery @ 5-min intervals | 316 SS + Delrin body