Signet 2750 DryLoc® pH/ORP Sensor Electronics - KTH Sales, Inc.

Dimensions3-2750-1,-294 mm(3.7 in.)SpecificationsGeneralCompatible Electrodes:Signet DryLoc ® pH and ORP ElectrodesModels 2724-2726, 2756-2757 Wet-Tap,2764-2767, 2774-2777,Operating Range:• pH: 0 to 14 pH• ORP: ± 2,000 mVElectrical (continued)• Update Rate: 0.5 seconds• Available Data:Raw mV, pH or ORP, temperature(pH)• Error indication:Open input diagnostic• Input Impedance, Z: >10 11 Ω1/2 in. FNPT3-2750-3, -4140 mm(5.5 in.)Response Time:• pH: < 6 sec. for 95% of change• ORP: application dependentMaterials:• In-line: Valox ® (PBT)• submersible: CPVCEnvironmentalEnclosure:• 3-2750-1 & -2: NEMA 4X/IP65 withelectrode connected• 3-2750-3 & -4: NEMA 6P/IP68 withelectrode and watertight conduit and/or extension pipe connected31.75mm(1.25 in.)70.1mm(2.76 in.)56.6mm(2.23 in.)3/4 in. ISO or3/4 FNPT threads89.4mm(3.52 in.)ElectricalCable:4.6 m/15 ft, 3-conductor shielded22 AWG, 100 ft max.Power:• 12 to 24 VDC ±10%, regulated for4 to 20 mA output• 5 to 6.5 VDC ±5% regulatedrecommended, 3 mA max.,for digital (S 3 L) outputCurrent output:• pH:Fixed 4 to 20 mA, isolated, = 0 to 14 pH(custom scaling available)• ORP:Fixed 4 to 20 mA, isolated, = -1000 to2000 mV (custom scaling available from± 2000 mV)• Max Loop Resistance:100 Ω max. @ 12 V325 Ω max. @ 18 V600 Ω max. @ 24 V• Accuracy: ± 32 μA• Resolution: ± 5 μA• Update Rate: 0.5 seconds• Error indication: 3.6 mAMax. Temperature/Pressure RatingOperating Temperature:• Temperature (submersible):0 °C to 85 °C (32 °F to 185 °F)• Temperature (in-line):0 °C to 110 °C (32 °F to 230 °F)Storage Temperature:-20 °C to 85 °C (-4 °F to 185 °F)Relative Humidity:0 to 95%, non-condensing (withoutelectrode connected)Shipping Weight• 2750-1 & 2: 0.75 kg 1.65 lb• 2750-3 & -4: 0.64 kg 1.41 lbStandards and Approvals• CE• Manufactured under ISO 9001for Quality and ISO 14001 forEnvironmental ManagementDigital (S 3 L) output:• Serial ASCII, TTL level 9600 bps• Accuracy:pH: ± 0.03 pH @ 25 °C (77 °F)ORP: ± 2 mV @ 25 ° C (77 °F)• Resolution:pH: ≤ 0.01 pHORP: 1 mVTemp.: ≤ 0.2 °C (32.3 °F)Valox ® is a registered trademark of the General Electric Companywww.gfsignet.com