Ordering Information Model TB557 Next Step™ Ball Valve Insertion, Hot Tap, Kynar Body, pH/ORP Sensor Assembly(40 psi @ 140°C; 100 psi @ 90°C) Measuring Electrode J Coat-resistant glass/high temperature (5 to 140°C, 0 to 14pH) Integral Temperature compensator 2 3kO Extension cable connector(1) Reference Junction D Wood, Notched, Next Step reference(2) Body Style J 20 in. Hastelloy C sheath Accessory Hardware(3) 2 Hastelloy C compression fitting, wrench-tight Integral Sensor Cable(4) 0 Use when JB or J1 to J5 (below) are selected(5)(6) Length, Integral Sensor Cable JB With junction box(7) 0 Not available for, Redox (ORP), or Antimony, pH, electrodes (codes 5 & 6).Not available for Antimony electrodes (code 6).Standard hardware kits have Viton O-rings.There are 2 options to connect TB557 to TB82 or TB84 transmitters:Option 1 – use BNC/TC to PIN adapter with conduit fitting or BNC/TC to PIN adaptor. In either case temperature compensator code must be 2 or 4.Option 2 – select T in integral sensor code, not designed for use with extension cables or junction box.TB557: junction box mounted on sensor. Cable length varies to match body length style. Order code for body style and accessory hardware anything except zero. Requires extension cable. Order code for temperature compensator must be 0, 2 or 4.TB(X)557: junction box mounted on sensor. Cable length approx. 102mm (4 in.). Order code for body style and accessory hardware anything except zero. Code – # # # # # # # 0, J, B. Requires extension cable. If junction box is ordered separately and longer cable lengths are desired, enter cable length in integral sensor code.Applicable to sensors with junction boxes only.
