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The FG01TP is a rotating tribrach adapter with a 5/8-11 thread and brass locking knob, letting a prism or GPS pole rotate freely once mounted on a tri..

The G51019 is a die-cast aluminium rod-level clamp with an adjustable 20-minute vial, clipping onto round/rectangular rods for levelling staffs or pri..

The PA40 is a yellow staff bubble level that straps onto a leveling staff or rod with a wide velcro band, giving a bright, easy-to-spot circular vial ..

A bright-orange metal rod level that snap-mounts onto a leveling staff, with a large circular bubble vial for fast readability in the field, packed as..

An orange rod-level bubble accessory for leveling staffs, providing a quick plumb check, with a snap/strap-style mount.

The SLDSTB is a standard clip-on circular bubble vial that snaps onto a levelling staff or rod, letting the operator keep the staff plumb while taking..

The TR-8 is a genuine Topcon-style precision tribrach in yellow, without an optical plummet, using three-screw levelling for mounting total stations, ..

The TR-8 is a genuine Topcon-style precision tribrach in yellow, without an optical plummet, using three-screw levelling for mounting total stations, ..

The TR-8P is the same Topcon-style precision tribrach in yellow, fitted with a built-in optical plummet for centring over a survey point.

The TR-8P is the same Topcon-style precision tribrach in yellow, fitted with a built-in optical plummet for centring over a survey point.

Pairs a dual-display thermo-hygrometer with 33% and 75% humidity calibration standards, letting users verify and maintain measurement accuracy in the ..

This kit pairs the REED 8706 digital psychrometer/thermo-hygrometer with a set of 33% and 75% humidity calibration standards, so users can verify and ..

The REED R9905-KIT is a data-logging indoor air quality meter that simultaneously tracks CO2, temperature, and relative humidity on a triple LCD reado..

33% humidity calibration standard used to check and calibrate the accuracy of compatible REED humidity meters, including the R6001, SD-3007, 8706, R62..

75% humidity calibration standard for verifying and calibrating the same family of REED humidity meters (R6001, SD-3007, 8706, R6200, R9900, R9905, R6..

Two-point humidity calibration kit pairing the 33% (R9933) and 75% (R9975) standards in one package, for verifying humidity meters across their workin..