$200 - $300

37950-03 Thermohygrometer with RS-232; 10 to 95% RH, 0 to 199F by Digi-Sense

Measure temperature and humidity with these thermohygrometers. Probe is replaceable if damaged.

These meters feature data hold, MIN/MAX, memory storage, selectable °F/°C, low-battery indicator, and auto-off after 20 minutes of nonuse.

• Download data to PC via RS-232

Includes

Hard case and one 9 V battery.

PROBPHIN In Line pH probe by Bluelab

The Bluelab® In-line pH Probe can screw directly into female 1" NPT pipe fittings using the included adapter. Threaded probe head allows for simple installation direct into an irrigation line for effective in-line measurements.

The high pressure rates pH probe has a pressure rating of 7 bar pressure or 100 psi.

Features

• Liquid flow naturally cleans the flat pH measurement surface
• High pressure probe
• Faster reading response
• 3/4" NPT thread fits in-line mounting, use with 1" adapter
• Gel filled (non-refillable), double junction reference

08541-23 Thermocouple Wire Type K 20-Gauge, High Temperature Glass Braid, 100ft by Digi-Sense

Wire comes in 20-gauge size, ideal for fabricating your own probes or extension cables (meets ANSI and ASTM standards). Choose from wire with polyvinyl chloride (PVC), fluorinated ethylene propylene resin (FEP/FEP), fiberglass, high-temperature fiberglass, or ceramic fiber outer/inner insulation. These cables are also available in 100-ft or 1000-ft lengths for any application.