Portable Recorders

Model 30 Recorders

These recorders are very versatile and can be used as portable or permanently mounted units. They provide a strip chart record of pH or ORP verses time while using approximately one roll of chart paper a month. The units come enclosed in a weathertight enclosure with clear plastic hinged cover. Provided as either 115 VAC with a line cord, or battery operated using a 6 volt 10 amp hour battery. Battery operated units can run for atleast 2 weeks before recharge of battery is required. It is recommended a spare battery and battery charger be ordered. pH units are typically 2-12 pH and ORP is +500/0/-500 with other ranges available. Each unit is provided with a pH probe mounted in a 3/4" PVC nipple with 10 ft. lead and start-up buffer solutuions. Longer probe lengths can be provided as required by Customer. Various model options are available with special features for each highlighted below:

Model 30 (Basic Unit)- This is the basic unit as specified above. Please specify as pH or ORP measurementt and 115 VAC or battery operated.

Model 30 Sentinel- This unit is provided the same as the basic unit except it is provided with an alarm which will sound when a set point is reached to alarm an operator of an unacceptable reading. The setpoint is adjustable by the Operator.

Model 30 pH/T- This unit is same as the basic Model 30 with the added feature of measuring Temperature via a separate 1/2" PVC temperature probe. The meter has a range of 2-12 pH and 0-100 Deg C. A permanent record of both pH and temperature is multiplexed on the recording chart.